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Heat Advisory 0004
Issued by the Sacramento Forecast Office

Action Issued Starts Expiration
New 2026-08-06 11:46:23 2026-08-07 12:00:00 2026-08-10 00:00:00
Continued 2026-08-07 00:32:50 2026-08-07 12:00:00 2026-08-10 00:00:00
Continued 2026-08-07 13:38:56 2026-08-10 00:00:00
Continued 2026-08-08 03:24:17 2026-08-10 00:00:00
Continued 2026-08-08 13:03:21 2026-08-10 00:00:00
Continued 2026-08-09 02:25:42 2026-08-10 00:00:00
Expired 2026-08-09 23:37:39 2026-08-10 00:00:00


Action: New
Issued At: 2026-08-06 11:46:23

022 
WWUS76 KSTO 061646
NPWSTO

URGENT - WEATHER MESSAGE
National Weather Service Sacramento CA
946 AM PDT Thu Aug 6 2026

CAZ121>135-137-138-140>154-158>164-070815-
/O.NEW.KSTO.HT.Y.0004.260807T1700Z-260810T0500Z/
W. Shasta County Above 3000 ft-W. Shasta County 1000-3000 ft-
Shasta Lake Area & 1-5 1000-3000 ft-Shasta Metro-Shasta County
Foothills 1000-3000 ft-E. Shasta /S. Cascades Above 3000 ft-
Burney Basin-Lassen Volcanic NP-Sierra (Tehama-Plumas) 1000-
3000 ft-Sierra (Tehama-Plumas) Above 3000 ft-N. Motherlode 1000-
3000 ft-Sierra (Yuba-Placer) 3000-5000 ft-Sierra (Sierra-Placer)
Above 5000 ft-Central Motherlode 1000-3000 ft-Sierra 3000-5000 ft-
Southern Motherlode 1000-3000 ft-Sierra (Cal-Tuo) 3000-5000 ft-
Tehama Co Coast Range Above 3000 ft-W Tehama Co Foothills 1000-
3000 ft-N. Sac Valley in Tehama County-Glenn/Colusa Coast Range
Above 3000 ft-Central Glenn Co & Interstate 5-Eastern Glenn
County-Butte County Below 1000 ft-W. Glenn/Colusa Foothills 1000-
3000 ft-Central Colusa County Incl. I-5-Eastern Colusa County-
Sutter/Yuba counties below 1000 ft-Yolo / Solano County Hills-W.
Yolo County including Capay/I-505-C. Yolo/NE Solano including
Woodland-Sac Metro/W. El Dorado/Amador County-San Joaquin County
Delta-C. San Joaquin County including Stockton-Tracy Triangle
Below 1000 ft-NE San Joaquin Valley Below 1000 ft-E. Diablo Range
Above 1000 ft-W. Stanislaus County Above 1000 ft & I-5-C.
Stanislaus County including Modesto-
Including the cities of Willows, Orland, Burney, Lassen National
Park, Shasta Lake, Sims, Woodland, Dixon, Williams, Shingletown,
Twain Harte, Arnold, Esparto, Winters, Auburn, Grass Valley,
Colfax, Nevada City, Stockton, Lodi, Whiskeytown, Blue Canyon,
Kingvale, Donner Peak, Yuba City, Beale AFB, Cameron Park,
Shingle Springs, Placerville, Cool, Jackson, Tracy, Mineral,
Quincy, Modesto, Turlock, Colusa, Pollock Pines, Redding,
Anderson, Sonora, Angels Camp, Red Bluff, Chico, Oroville,
Gridley, Paradise, Lincoln, Roseville, Sacramento, Elk Grove, and
Folsom
946 AM PDT Thu Aug 6 2026

...HEAT ADVISORY IN EFFECT FROM 10 AM FRIDAY TO 10 PM PDT SUNDAY...

* WHAT...High temperatures of 102 to 108 and low temperatures of 65 
  to 75 expected, with Moderate to Major HeatRisk.

* WHERE...Northern, Central, Southern Sacramento Valley and adjacent 
  foothills, San Joaquin Valley, and foothills of the Sierra.

* WHEN...From 10 AM Friday to 10 PM PDT Sunday.

* IMPACTS...Hot temperatures may cause heat illnesses, especially 
  anyone without effective cooling and/or adequate hydration.


* ADDITIONAL DETAILS...The heat is expected to peak on Saturday, 
  with Major HeatRisk. Hottest temperatures expected in the northern 
  Sacramento Valley.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of 
the sun, and check up on relatives and neighbors.

Take extra precautions when outside. Wear lightweight and loose 
fitting clothing. Try to limit strenuous activities to early morning 
or evening. Take action when you see symptoms of heat exhaustion and 
heat stroke.

&&

$$

For more information, visit us at www.weather.gov/sto/

ZVS


Action: Continued
Issued At: 2026-08-07 00:32:50

533 
WWUS76 KSTO 070532
NPWSTO

URGENT - WEATHER MESSAGE
National Weather Service Sacramento CA
1032 PM PDT Thu Aug 6 2026

CAZ121>135-137-138-140>154-158>164-080015-
/O.CON.KSTO.HT.Y.0004.260807T1700Z-260810T0500Z/
W. Shasta County Above 3000 ft-W. Shasta County 1000-3000 ft-
Shasta Lake Area & 1-5 1000-3000 ft-Shasta Metro-Shasta County
Foothills 1000-3000 ft-E. Shasta /S. Cascades Above 3000 ft-
Burney Basin-Lassen Volcanic NP-Sierra (Tehama-Plumas) 1000-
3000 ft-Sierra (Tehama-Plumas) Above 3000 ft-N. Motherlode 1000-
3000 ft-Sierra (Yuba-Placer) 3000-5000 ft-Sierra (Sierra-Placer)
Above 5000 ft-Central Motherlode 1000-3000 ft-Sierra 3000-5000 ft-
Southern Motherlode 1000-3000 ft-Sierra (Cal-Tuo) 3000-5000 ft-
Tehama Co Coast Range Above 3000 ft-W Tehama Co Foothills 1000-
3000 ft-N. Sac Valley in Tehama County-Glenn/Colusa Coast Range
Above 3000 ft-Central Glenn Co & Interstate 5-Eastern Glenn
County-Butte County Below 1000 ft-W. Glenn/Colusa Foothills 1000-
3000 ft-Central Colusa County Incl. I-5-Eastern Colusa County-
Sutter/Yuba counties below 1000 ft-Yolo / Solano County Hills-W.
Yolo County including Capay/I-505-C. Yolo/NE Solano including
Woodland-Sac Metro/W. El Dorado/Amador County-San Joaquin County
Delta-C. San Joaquin County including Stockton-Tracy Triangle
Below 1000 ft-NE San Joaquin Valley Below 1000 ft-E. Diablo Range
Above 1000 ft-W. Stanislaus County Above 1000 ft & I-5-C.
Stanislaus County including Modesto-
Including the cities of Stockton, Lodi, Redding, Anderson, Tracy,
Williams, Auburn, Grass Valley, Colfax, Nevada City, Whiskeytown,
Esparto, Winters, Colusa, Modesto, Turlock, Mineral, Quincy,
Lincoln, Roseville, Sacramento, Elk Grove, Folsom, Chico,
Oroville, Gridley, Twain Harte, Arnold, Sonora, Angels Camp,
Woodland, Dixon, Willows, Orland, Burney, Cameron Park, Shingle
Springs, Placerville, Cool, Jackson, Shasta Lake, Sims, Blue
Canyon, Kingvale, Donner Peak, Red Bluff, Pollock Pines, Lassen
National Park, Yuba City, Beale AFB, Paradise, and Shingletown
1032 PM PDT Thu Aug 6 2026

...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM FRIDAY TO 10 PM PDT 
SUNDAY...

* WHAT...High temperatures of 102 to 108 and low temperatures of 65 
  to 75 expected, with Moderate to Major HeatRisk.

* WHERE...Northern, Central, Southern Sacramento Valley and adjacent 
  foothills, San Joaquin Valley, and foothills of the Sierra.

* WHEN...From 10 AM Friday to 10 PM PDT Sunday.

* IMPACTS...Hot temperatures may cause heat illnesses, especially 
  anyone without effective cooling and/or adequate hydration.


* ADDITIONAL DETAILS...The heat is expected to peak on Saturday, 
  with Major HeatRisk. Hottest temperatures expected in the northern 
  Sacramento Valley.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of 
the sun, and check up on relatives and neighbors.

Take extra precautions when outside. Wear lightweight and loose 
fitting clothing. Try to limit strenuous activities to early morning 
or evening. Take action when you see symptoms of heat exhaustion and 
heat stroke.

&&

$$

For more information, visit us at www.weather.gov/sto/

JS


Action: Continued
Issued At: 2026-08-07 13:38:56

311 
WWUS76 KSTO 071838
NPWSTO

URGENT - WEATHER MESSAGE
National Weather Service Sacramento CA
1138 AM PDT Fri Aug 7 2026

CAZ121>135-137-138-140>154-158>164-082200-
/O.CON.KSTO.HT.Y.0004.000000T0000Z-260810T0500Z/
W. Shasta County Above 3000 ft-W. Shasta County 1000-3000 ft-
Shasta Lake Area & 1-5 1000-3000 ft-Shasta Metro-Shasta County
Foothills 1000-3000 ft-E. Shasta /S. Cascades Above 3000 ft-
Burney Basin-Lassen Volcanic NP-Sierra (Tehama-Plumas) 1000-
3000 ft-Sierra (Tehama-Plumas) Above 3000 ft-N. Motherlode 1000-
3000 ft-Sierra (Yuba-Placer) 3000-5000 ft-Sierra (Sierra-Placer)
Above 5000 ft-Central Motherlode 1000-3000 ft-Sierra 3000-5000 ft-
Southern Motherlode 1000-3000 ft-Sierra (Cal-Tuo) 3000-5000 ft-
Tehama Co Coast Range Above 3000 ft-W Tehama Co Foothills 1000-
3000 ft-N. Sac Valley in Tehama County-Glenn/Colusa Coast Range
Above 3000 ft-Central Glenn Co & Interstate 5-Eastern Glenn
County-Butte County Below 1000 ft-W. Glenn/Colusa Foothills 1000-
3000 ft-Central Colusa County Incl. I-5-Eastern Colusa County-
Sutter/Yuba counties below 1000 ft-Yolo / Solano County Hills-W.
Yolo County including Capay/I-505-C. Yolo/NE Solano including
Woodland-Sac Metro/W. El Dorado/Amador County-San Joaquin County
Delta-C. San Joaquin County including Stockton-Tracy Triangle
Below 1000 ft-NE San Joaquin Valley Below 1000 ft-E. Diablo Range
Above 1000 ft-W. Stanislaus County Above 1000 ft & I-5-C.
Stanislaus County including Modesto-
Including the cities of Red Bluff, Chico, Oroville, Gridley,
Cameron Park, Shingle Springs, Placerville, Cool, Jackson,
Whiskeytown, Lassen National Park, Pollock Pines, Twain Harte,
Arnold, Woodland, Dixon, Paradise, Shasta Lake, Sims,
Shingletown, Colusa, Lincoln, Roseville, Sacramento, Elk Grove,
Folsom, Mineral, Quincy, Sonora, Angels Camp, Esparto, Winters,
Williams, Burney, Yuba City, Beale AFB, Blue Canyon, Kingvale,
Donner Peak, Modesto, Turlock, Tracy, Redding, Anderson, Auburn,
Grass Valley, Colfax, Nevada City, Stockton, Lodi, Willows, and
Orland
1138 AM PDT Fri Aug 7 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT SUNDAY...

* WHAT...High temperatures of 102 to 108 and low temperatures of 65 
  to 80 expected, with Moderate to Major HeatRisk.

* WHERE...The Sacramento and San Joaquin Valleys, foothills, Coast 
  Range, and Sierra from Highway 50 northward

* WHEN...Until 10 PM PDT Sunday.

* IMPACTS...Hot temperatures may cause heat illnesses, especially 
  anyone without effective cooling and/or adequate hydration.


* ADDITIONAL DETAILS...The heat is expected to peak on Saturday, 
  with areas of Major HeatRisk. Hottest temperatures and warmest 
  overnight lows expected in the northern Sacramento Valley and 
  Sierra foothills thermal belts.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of 
the sun, and check up on relatives and neighbors.

Take extra precautions when outside. Wear lightweight and loose 
fitting clothing. Try to limit strenuous activities to early morning 
or evening. Take action when you see symptoms of heat exhaustion and 
heat stroke.

&&

$$

For more information, visit us at www.weather.gov/sto/

NR


Action: Continued
Issued At: 2026-08-08 03:24:17

888 
WWUS76 KSTO 080823
NPWSTO

URGENT - WEATHER MESSAGE
National Weather Service Sacramento CA
123 AM PDT Sat Aug 8 2026

CAZ121>135-137-138-140>154-158>164-090830-
/O.CON.KSTO.HT.Y.0004.000000T0000Z-260810T0500Z/
W. Shasta County Above 3000 ft-W. Shasta County 1000-3000 ft-
Shasta Lake Area & 1-5 1000-3000 ft-Shasta Metro-Shasta County
Foothills 1000-3000 ft-E. Shasta /S. Cascades Above 3000 ft-
Burney Basin-Lassen Volcanic NP-Sierra (Tehama-Plumas) 1000-
3000 ft-Sierra (Tehama-Plumas) Above 3000 ft-N. Motherlode 1000-
3000 ft-Sierra (Yuba-Placer) 3000-5000 ft-Sierra (Sierra-Placer)
Above 5000 ft-Central Motherlode 1000-3000 ft-Sierra 3000-5000 ft-
Southern Motherlode 1000-3000 ft-Sierra (Cal-Tuo) 3000-5000 ft-
Tehama Co Coast Range Above 3000 ft-W Tehama Co Foothills 1000-
3000 ft-N. Sac Valley in Tehama County-Glenn/Colusa Coast Range
Above 3000 ft-Central Glenn Co & Interstate 5-Eastern Glenn
County-Butte County Below 1000 ft-W. Glenn/Colusa Foothills 1000-
3000 ft-Central Colusa County Incl. I-5-Eastern Colusa County-
Sutter/Yuba counties below 1000 ft-Yolo / Solano County Hills-W.
Yolo County including Capay/I-505-C. Yolo/NE Solano including
Woodland-Sac Metro/W. El Dorado/Amador County-San Joaquin County
Delta-C. San Joaquin County including Stockton-Tracy Triangle
Below 1000 ft-NE San Joaquin Valley Below 1000 ft-E. Diablo Range
Above 1000 ft-W. Stanislaus County Above 1000 ft & I-5-C.
Stanislaus County including Modesto-
Including the cities of Pollock Pines, Yuba City, Beale AFB,
Auburn, Grass Valley, Colfax, Nevada City, Paradise, Cameron
Park, Shingle Springs, Placerville, Cool, Jackson, Chico,
Oroville, Gridley, Mineral, Quincy, Lincoln, Roseville,
Sacramento, Elk Grove, Folsom, Colusa, Stockton, Lodi, Sonora,
Angels Camp, Burney, Lassen National Park, Red Bluff, Willows,
Orland, Redding, Anderson, Tracy, Modesto, Turlock, Whiskeytown,
Esparto, Winters, Blue Canyon, Kingvale, Donner Peak, Twain
Harte, Arnold, Williams, Woodland, Dixon, Shingletown, Shasta
Lake, and Sims
123 AM PDT Sat Aug 8 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT SUNDAY...

* WHAT...High temperatures of 102 to 108 and low temperatures of 65 
  to 80 expected, with Moderate to Major HeatRisk.

* WHERE...The Sacramento and San Joaquin Valleys, Foothills, Coast 
  Range, and Sierra north of Highway 50

* WHEN...Until 10 PM PDT Sunday.

* IMPACTS...Hot temperatures may cause heat illnesses, especially 
  anyone without effective cooling and/or adequate hydration.

* ADDITIONAL DETAILS...The heat is expected to peak today and 
  Sunday, with areas of Major HeatRisk. Hottest temperatures and 
  warmest overnight lows expected in the northern Sacramento Valley 
  and Sierra foothills thermal belts.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of 
the sun, and check up on relatives and neighbors.

Take extra precautions when outside. Wear lightweight and loose 
fitting clothing. Try to limit strenuous activities to early morning 
or evening. Take action when you see symptoms of heat exhaustion and 
heat stroke.

&&

$$

For more information, visit us at www.weather.gov/sto/

Forrest


Action: Continued
Issued At: 2026-08-08 13:03:21

182 
WWUS76 KSTO 081802
NPWSTO

URGENT - WEATHER MESSAGE
National Weather Service Sacramento CA
1102 AM PDT Sat Aug 8 2026

CAZ121>135-137-138-140>154-158>164-090830-
/O.CON.KSTO.HT.Y.0004.000000T0000Z-260810T0500Z/
W. Shasta County Above 3000 ft-W. Shasta County 1000-3000 ft-
Shasta Lake Area & 1-5 1000-3000 ft-Shasta Metro-Shasta County
Foothills 1000-3000 ft-E. Shasta /S. Cascades Above 3000 ft-
Burney Basin-Lassen Volcanic NP-Sierra (Tehama-Plumas) 1000-
3000 ft-Sierra (Tehama-Plumas) Above 3000 ft-N. Motherlode 1000-
3000 ft-Sierra (Yuba-Placer) 3000-5000 ft-Sierra (Sierra-Placer)
Above 5000 ft-Central Motherlode 1000-3000 ft-Sierra 3000-5000 ft-
Southern Motherlode 1000-3000 ft-Sierra (Cal-Tuo) 3000-5000 ft-
Tehama Co Coast Range Above 3000 ft-W Tehama Co Foothills 1000-
3000 ft-N. Sac Valley in Tehama County-Glenn/Colusa Coast Range
Above 3000 ft-Central Glenn Co & Interstate 5-Eastern Glenn
County-Butte County Below 1000 ft-W. Glenn/Colusa Foothills 1000-
3000 ft-Central Colusa County Incl. I-5-Eastern Colusa County-
Sutter/Yuba counties below 1000 ft-Yolo / Solano County Hills-W.
Yolo County including Capay/I-505-C. Yolo/NE Solano including
Woodland-Sac Metro/W. El Dorado/Amador County-San Joaquin County
Delta-C. San Joaquin County including Stockton-Tracy Triangle
Below 1000 ft-NE San Joaquin Valley Below 1000 ft-E. Diablo Range
Above 1000 ft-W. Stanislaus County Above 1000 ft & I-5-C.
Stanislaus County including Modesto-
Including the cities of Tracy, Lincoln, Roseville, Sacramento,
Elk Grove, Folsom, Woodland, Dixon, Willows, Orland, Modesto,
Turlock, Burney, Pollock Pines, Yuba City, Beale AFB, Redding,
Anderson, Paradise, Lassen National Park, Shasta Lake, Sims,
Sonora, Angels Camp, Williams, Cameron Park, Shingle Springs,
Placerville, Cool, Jackson, Chico, Oroville, Gridley, Mineral,
Quincy, Shingletown, Auburn, Grass Valley, Colfax, Nevada City,
Colusa, Stockton, Lodi, Twain Harte, Arnold, Esparto, Winters,
Blue Canyon, Kingvale, Donner Peak, Red Bluff, and Whiskeytown
1102 AM PDT Sat Aug 8 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT SUNDAY...

* WHAT...High temperatures of 102 to 108 and low temperatures of 65 
  to 80 expected, with Moderate to Major HeatRisk.

* WHERE...The Sacramento and San Joaquin Valleys, Foothills, Coast 
  Range, and Sierra north of Highway 50.

* WHEN...Until 10 PM PDT Sunday.

* IMPACTS...Hot temperatures may cause heat illnesses, especially 
  anyone without effective cooling and/or adequate hydration.

* ADDITIONAL DETAILS...The heat is expected to peak today and 
  Sunday, with areas of Major HeatRisk. Hottest temperatures and 
  warmest overnight lows expected in the northern Sacramento Valley 
  and Sierra foothills thermal belts.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of 
the sun, and check up on relatives and neighbors.

Take extra precautions when outside. Wear lightweight and loose 
fitting clothing. Try to limit strenuous activities to early morning 
or evening. Take action when you see symptoms of heat exhaustion and 
heat stroke.

&&

$$

For more information, visit us at www.weather.gov/sto/

ZVS


Action: Continued
Issued At: 2026-08-09 02:25:42

896 
WWUS76 KSTO 090724
NPWSTO

URGENT - WEATHER MESSAGE
National Weather Service Sacramento CA
1224 AM PDT Sun Aug 9 2026

CAZ121>135-137-138-140>154-158>164-100500-
/O.CON.KSTO.HT.Y.0004.000000T0000Z-260810T0500Z/
W. Shasta County Above 3000 ft-W. Shasta County 1000-3000 ft-
Shasta Lake Area & 1-5 1000-3000 ft-Shasta Metro-Shasta County
Foothills 1000-3000 ft-E. Shasta /S. Cascades Above 3000 ft-
Burney Basin-Lassen Volcanic NP-Sierra (Tehama-Plumas) 1000-
3000 ft-Sierra (Tehama-Plumas) Above 3000 ft-N. Motherlode 1000-
3000 ft-Sierra (Yuba-Placer) 3000-5000 ft-Sierra (Sierra-Placer)
Above 5000 ft-Central Motherlode 1000-3000 ft-Sierra 3000-5000 ft-
Southern Motherlode 1000-3000 ft-Sierra (Cal-Tuo) 3000-5000 ft-
Tehama Co Coast Range Above 3000 ft-W Tehama Co Foothills 1000-
3000 ft-N. Sac Valley in Tehama County-Glenn/Colusa Coast Range
Above 3000 ft-Central Glenn Co & Interstate 5-Eastern Glenn
County-Butte County Below 1000 ft-W. Glenn/Colusa Foothills 1000-
3000 ft-Central Colusa County Incl. I-5-Eastern Colusa County-
Sutter/Yuba counties below 1000 ft-Yolo / Solano County Hills-W.
Yolo County including Capay/I-505-C. Yolo/NE Solano including
Woodland-Sac Metro/W. El Dorado/Amador County-San Joaquin County
Delta-C. San Joaquin County including Stockton-Tracy Triangle
Below 1000 ft-NE San Joaquin Valley Below 1000 ft-E. Diablo Range
Above 1000 ft-W. Stanislaus County Above 1000 ft & I-5-C.
Stanislaus County including Modesto-
Including the cities of Colusa, Modesto, Turlock, Whiskeytown,
Williams, Chico, Oroville, Gridley, Blue Canyon, Kingvale, Donner
Peak, Shasta Lake, Sims, Redding, Anderson, Shingletown, Yuba
City, Beale AFB, Tracy, Esparto, Winters, Woodland, Dixon,
Paradise, Twain Harte, Arnold, Burney, Lassen National Park,
Willows, Orland, Cameron Park, Shingle Springs, Placerville,
Cool, Jackson, Mineral, Quincy, Lincoln, Roseville, Sacramento,
Elk Grove, Folsom, Pollock Pines, Auburn, Grass Valley, Colfax,
Nevada City, Sonora, Angels Camp, Red Bluff, Stockton, and Lodi
1224 AM PDT Sun Aug 9 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING...

* WHAT...High temperatures of 101 to 107 and low temperatures of 65 
  to 80 expected, with Moderate to Major HeatRisk.

* WHERE...The Sacramento and San Joaquin Valleys, Foothills, Coast 
  Range, and Sierra north of Highway 50.

* WHEN...Until 10 PM PDT this evening.

* IMPACTS...ot temperatures may cause heat illnesses, especially 
  anyone without effective cooling and/or adequate hydration.

* ADDITIONAL DETAILS...Hot temperatures continue today, with areas 
  of Major HeatRisk. Hottest temperatures and warmest overnight lows 
  expected in the northern Sacramento Valley and Sierra foothills 
  thermal belts.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of 
the sun, and check up on relatives and neighbors.

Take extra precautions when outside. Wear lightweight and loose 
fitting clothing. Try to limit strenuous activities to early morning 
or evening. Take action when you see symptoms of heat exhaustion and 
heat stroke.

&&

$$

For more information, visit us at www.weather.gov/sto/

Forrest


Action: Expired
Issued At: 2026-08-09 23:37:39

253 
WWUS76 KSTO 100437
NPWSTO

URGENT - WEATHER MESSAGE
National Weather Service Sacramento CA
937 PM PDT Sun Aug 9 2026

CAZ121>135-137-138-140>154-158>164-100545-
/O.EXP.KSTO.HT.Y.0004.000000T0000Z-260810T0500Z/
W. Shasta County Above 3000 ft-W. Shasta County 1000-3000 ft-
Shasta Lake Area & 1-5 1000-3000 ft-Shasta Metro-Shasta County
Foothills 1000-3000 ft-E. Shasta /S. Cascades Above 3000 ft-
Burney Basin-Lassen Volcanic NP-Sierra (Tehama-Plumas) 1000-
3000 ft-Sierra (Tehama-Plumas) Above 3000 ft-N. Motherlode 1000-
3000 ft-Sierra (Yuba-Placer) 3000-5000 ft-Sierra (Sierra-Placer)
Above 5000 ft-Central Motherlode 1000-3000 ft-Sierra 3000-5000 ft-
Southern Motherlode 1000-3000 ft-Sierra (Cal-Tuo) 3000-5000 ft-
Tehama Co Coast Range Above 3000 ft-W Tehama Co Foothills 1000-
3000 ft-N. Sac Valley in Tehama County-Glenn/Colusa Coast Range
Above 3000 ft-Central Glenn Co & Interstate 5-Eastern Glenn
County-Butte County Below 1000 ft-W. Glenn/Colusa Foothills 1000-
3000 ft-Central Colusa County Incl. I-5-Eastern Colusa County-
Sutter/Yuba counties below 1000 ft-Yolo / Solano County Hills-W.
Yolo County including Capay/I-505-C. Yolo/NE Solano including
Woodland-Sac Metro/W. El Dorado/Amador County-San Joaquin County
Delta-C. San Joaquin County including Stockton-Tracy Triangle
Below 1000 ft-NE San Joaquin Valley Below 1000 ft-E. Diablo Range
Above 1000 ft-W. Stanislaus County Above 1000 ft & I-5-C.
Stanislaus County including Modesto-
Including the cities of Red Bluff, Redding, Anderson,
Whiskeytown, Tracy, Stockton, Lodi, Modesto, Turlock, Esparto,
Winters, Twain Harte, Arnold, Shasta Lake, Sims, Pollock Pines,
Woodland, Dixon, Williams, Chico, Oroville, Gridley, Burney,
Paradise, Willows, Orland, Mineral, Quincy, Sonora, Angels Camp,
Lassen National Park, Auburn, Grass Valley, Colfax, Nevada City,
Blue Canyon, Kingvale, Donner Peak, Shingletown, Lincoln,
Roseville, Sacramento, Elk Grove, Folsom, Cameron Park, Shingle
Springs, Placerville, Cool, Jackson, Colusa, Yuba City, and Beale
AFB
937 PM PDT Sun Aug 9 2026

...HEAT ADVISORY WILL EXPIRE AT 10 PM PDT THIS EVENING...

The Heat Advisory will be allowed to expire at 10 PM this evening. 
Temperatures will cool by a few degrees on Monday, however 
widespread Moderate HeatRisk will continue. More noticeable cooling 
begins on Tuesday continuing through the rest of the week.

$$

For more information, visit us at www.weather.gov/sto/

Wood



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