Thanatos Weather
Thursday, Dec 25, 2025 22:23:36

Products in the Last Seven Days
Type Phenomena Count
AdvisorySmall Craft259
AdvisoryWinter Weather174
AdvisoryDense Fog148
WarningGale134
AdvisoryWind124
AdvisoryAreal Flood94
WatchGale87
WarningHigh Wind79
WarningFlash Flood50
WarningWinter Storm43
WarningSevere Thunderstorm40
WatchHigh Wind39
WatchWinter Storm34
WarningFire Weather21
WatchAreal Flood16
WarningStorm14
WarningHazardous Seas11
WatchStorm8
WatchFlood7
AdvisoryLake Wind7
WatchFire Weather6
WarningIce Accretion5
WarningIce Storm4
WarningTornado3
AdvisoryIce Accretion3
WatchIce Accretion2
WarningBlizzard2
AdvisoryFrost1
AdvisoryFreezing Fog1
AdvisoryLow Water1
AdvisoryBlowing Dust1
AdvisoryFlood1
Most Active Forecast Offices
Forecast Office Products
Eureka, CA70
Los Angeles / Oxnard, CA61
San Francisco Bay Area / Monterey, CA59
Duluth, MN58
Medford, OR57
Boston, MA48
Buffalo, NY41
Portland, OR41
Seattle, WA40
Mount Holly / Philadelphia, NJ38
Baltimore / Washington, VA37
San Joaquin Valley / Hanford, CA36
Riverton, WY29
Gray / Portland, ME28
New York / Upton, NY28
Gaylord, MI25
Reno, NV24
Wakefield, VA24
San Diego, CA22
Sacramento, CA22
Product Count by Day
Date Warn Watch Advis.
2025-12-2550 4151
2025-12-2475 19171
2025-12-2335 2189
2025-12-2231 2281
2025-12-219 1963
2025-12-2024 899
2025-12-1969 2165
2025-12-1870 1978
2025-12-1757 4757
Particularly Dangerous Situations
Product Forecast Office
No PDS products in the last 7 days.
Home
Return to list
High Wind Warning 0017
Issued by the Riverton Forecast Office

Action Issued Starts Expiration
New 2025-12-24 02:11:09 2025-12-24 20:00:00 2025-12-25 12:00:00
New 2025-12-24 02:11:09 2025-12-24 20:00:00 2025-12-25 12:00:00
New 2025-12-24 02:11:09 2025-12-24 20:00:00 2025-12-25 12:00:00
New 2025-12-24 02:11:09 2025-12-24 20:00:00 2025-12-25 12:00:00
Continued 2025-12-24 13:05:19 2025-12-24 20:00:00 2025-12-25 12:00:00
Continued 2025-12-24 13:05:19 2025-12-24 20:00:00 2025-12-25 12:00:00
Continued 2025-12-25 03:22:17 2025-12-25 12:00:00
Continued 2025-12-25 03:22:17 2025-12-25 12:00:00
Expired 2025-12-25 11:34:02 2025-12-25 12:00:00


Action: New
Issued At: 2025-12-24 02:11:09

332 
WWUS75 KRIW 240810
NPWRIW

URGENT - WEATHER MESSAGE
National Weather Service Riverton WY
110 AM MST Wed Dec 24 2025

WYZ019-250000-
/O.UPG.KRIW.HW.A.0012.251225T0200Z-251225T1800Z/
/O.NEW.KRIW.HW.W.0017.251225T0200Z-251225T1800Z/
Green Mountains and Rattlesnake Range-
Including the cities of Jeffrey City
110 AM MST Wed Dec 24 2025

...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 11 AM MST 
THURSDAY...

* WHAT...Southwest winds 30 to 40 mph with gusts up to 65 mph 
  expected.

* WHERE...Green Mountains and Rattlesnake Range.

* WHEN...From 7 PM this evening to 11 AM MST Thursday.

* IMPACTS...Travel will be difficult, especially for high profile 
  vehicles.

$$

WYZ020-250000-
/O.UPG.KRIW.HW.A.0012.251225T0600Z-251225T1800Z/
/O.NEW.KRIW.HW.W.0017.251225T0200Z-251225T1800Z/
Natrona County Lower Elevations-
Including the cities of Casper
110 AM MST Wed Dec 24 2025

...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 11 AM MST 
THURSDAY...

* WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph 
  expected. Locally higher gusts are possible on south side of 
  Casper.

* WHERE...Natrona County Lower Elevations.

* WHEN...From 7 PM this evening to 11 AM MST Thursday.

* IMPACTS...Travel will be difficult, especially for high profile 
  vehicles.

$$

WYZ015-250000-
/O.NEW.KRIW.HW.W.0017.251225T0200Z-251225T1800Z/
Wind River Mountains East-
110 AM MST Wed Dec 24 2025

...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 11 AM MST 
THURSDAY...

* WHAT...Southwest winds 35 to 50 mph with gusts up to 75 mph 
  expected.

* WHERE...Wind River Mountains East.

* WHEN...From 7 PM this evening to 11 AM MST Thursday.

* IMPACTS...Travel will be difficult, especially for high profile 
  vehicles. This includes over South Pass

* ADDITIONAL DETAILS...Periods of snow and blowing snow may bring 
  reduced visibility at times.

$$

WYZ022-250000-
/O.NEW.KRIW.HW.W.0017.251225T0200Z-251225T1800Z/
Casper Mountain-
110 AM MST Wed Dec 24 2025

...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 11 AM MST 
THURSDAY...

* WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph 
  expected.

* WHERE...Casper Mountain.

* WHEN...From 7 PM this evening to 11 AM MST Thursday.

* IMPACTS...Travel will be difficult, especially for high profile 
  vehicles.

$$

For more information from the National Weather Service, visit 
https://weather.gov/riw/ .

Hattings


Action: New
Issued At: 2025-12-24 02:11:09

332 
WWUS75 KRIW 240810
NPWRIW

URGENT - WEATHER MESSAGE
National Weather Service Riverton WY
110 AM MST Wed Dec 24 2025

WYZ019-250000-
/O.UPG.KRIW.HW.A.0012.251225T0200Z-251225T1800Z/
/O.NEW.KRIW.HW.W.0017.251225T0200Z-251225T1800Z/
Green Mountains and Rattlesnake Range-
Including the cities of Jeffrey City
110 AM MST Wed Dec 24 2025

...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 11 AM MST 
THURSDAY...

* WHAT...Southwest winds 30 to 40 mph with gusts up to 65 mph 
  expected.

* WHERE...Green Mountains and Rattlesnake Range.

* WHEN...From 7 PM this evening to 11 AM MST Thursday.

* IMPACTS...Travel will be difficult, especially for high profile 
  vehicles.

$$

WYZ020-250000-
/O.UPG.KRIW.HW.A.0012.251225T0600Z-251225T1800Z/
/O.NEW.KRIW.HW.W.0017.251225T0200Z-251225T1800Z/
Natrona County Lower Elevations-
Including the cities of Casper
110 AM MST Wed Dec 24 2025

...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 11 AM MST 
THURSDAY...

* WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph 
  expected. Locally higher gusts are possible on south side of 
  Casper.

* WHERE...Natrona County Lower Elevations.

* WHEN...From 7 PM this evening to 11 AM MST Thursday.

* IMPACTS...Travel will be difficult, especially for high profile 
  vehicles.

$$

WYZ015-250000-
/O.NEW.KRIW.HW.W.0017.251225T0200Z-251225T1800Z/
Wind River Mountains East-
110 AM MST Wed Dec 24 2025

...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 11 AM MST 
THURSDAY...

* WHAT...Southwest winds 35 to 50 mph with gusts up to 75 mph 
  expected.

* WHERE...Wind River Mountains East.

* WHEN...From 7 PM this evening to 11 AM MST Thursday.

* IMPACTS...Travel will be difficult, especially for high profile 
  vehicles. This includes over South Pass

* ADDITIONAL DETAILS...Periods of snow and blowing snow may bring 
  reduced visibility at times.

$$

WYZ022-250000-
/O.NEW.KRIW.HW.W.0017.251225T0200Z-251225T1800Z/
Casper Mountain-
110 AM MST Wed Dec 24 2025

...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 11 AM MST 
THURSDAY...

* WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph 
  expected.

* WHERE...Casper Mountain.

* WHEN...From 7 PM this evening to 11 AM MST Thursday.

* IMPACTS...Travel will be difficult, especially for high profile 
  vehicles.

$$

For more information from the National Weather Service, visit 
https://weather.gov/riw/ .

Hattings


Action: New
Issued At: 2025-12-24 02:11:09

332 
WWUS75 KRIW 240810
NPWRIW

URGENT - WEATHER MESSAGE
National Weather Service Riverton WY
110 AM MST Wed Dec 24 2025

WYZ019-250000-
/O.UPG.KRIW.HW.A.0012.251225T0200Z-251225T1800Z/
/O.NEW.KRIW.HW.W.0017.251225T0200Z-251225T1800Z/
Green Mountains and Rattlesnake Range-
Including the cities of Jeffrey City
110 AM MST Wed Dec 24 2025

...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 11 AM MST 
THURSDAY...

* WHAT...Southwest winds 30 to 40 mph with gusts up to 65 mph 
  expected.

* WHERE...Green Mountains and Rattlesnake Range.

* WHEN...From 7 PM this evening to 11 AM MST Thursday.

* IMPACTS...Travel will be difficult, especially for high profile 
  vehicles.

$$

WYZ020-250000-
/O.UPG.KRIW.HW.A.0012.251225T0600Z-251225T1800Z/
/O.NEW.KRIW.HW.W.0017.251225T0200Z-251225T1800Z/
Natrona County Lower Elevations-
Including the cities of Casper
110 AM MST Wed Dec 24 2025

...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 11 AM MST 
THURSDAY...

* WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph 
  expected. Locally higher gusts are possible on south side of 
  Casper.

* WHERE...Natrona County Lower Elevations.

* WHEN...From 7 PM this evening to 11 AM MST Thursday.

* IMPACTS...Travel will be difficult, especially for high profile 
  vehicles.

$$

WYZ015-250000-
/O.NEW.KRIW.HW.W.0017.251225T0200Z-251225T1800Z/
Wind River Mountains East-
110 AM MST Wed Dec 24 2025

...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 11 AM MST 
THURSDAY...

* WHAT...Southwest winds 35 to 50 mph with gusts up to 75 mph 
  expected.

* WHERE...Wind River Mountains East.

* WHEN...From 7 PM this evening to 11 AM MST Thursday.

* IMPACTS...Travel will be difficult, especially for high profile 
  vehicles. This includes over South Pass

* ADDITIONAL DETAILS...Periods of snow and blowing snow may bring 
  reduced visibility at times.

$$

WYZ022-250000-
/O.NEW.KRIW.HW.W.0017.251225T0200Z-251225T1800Z/
Casper Mountain-
110 AM MST Wed Dec 24 2025

...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 11 AM MST 
THURSDAY...

* WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph 
  expected.

* WHERE...Casper Mountain.

* WHEN...From 7 PM this evening to 11 AM MST Thursday.

* IMPACTS...Travel will be difficult, especially for high profile 
  vehicles.

$$

For more information from the National Weather Service, visit 
https://weather.gov/riw/ .

Hattings


Action: New
Issued At: 2025-12-24 02:11:09

332 
WWUS75 KRIW 240810
NPWRIW

URGENT - WEATHER MESSAGE
National Weather Service Riverton WY
110 AM MST Wed Dec 24 2025

WYZ019-250000-
/O.UPG.KRIW.HW.A.0012.251225T0200Z-251225T1800Z/
/O.NEW.KRIW.HW.W.0017.251225T0200Z-251225T1800Z/
Green Mountains and Rattlesnake Range-
Including the cities of Jeffrey City
110 AM MST Wed Dec 24 2025

...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 11 AM MST 
THURSDAY...

* WHAT...Southwest winds 30 to 40 mph with gusts up to 65 mph 
  expected.

* WHERE...Green Mountains and Rattlesnake Range.

* WHEN...From 7 PM this evening to 11 AM MST Thursday.

* IMPACTS...Travel will be difficult, especially for high profile 
  vehicles.

$$

WYZ020-250000-
/O.UPG.KRIW.HW.A.0012.251225T0600Z-251225T1800Z/
/O.NEW.KRIW.HW.W.0017.251225T0200Z-251225T1800Z/
Natrona County Lower Elevations-
Including the cities of Casper
110 AM MST Wed Dec 24 2025

...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 11 AM MST 
THURSDAY...

* WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph 
  expected. Locally higher gusts are possible on south side of 
  Casper.

* WHERE...Natrona County Lower Elevations.

* WHEN...From 7 PM this evening to 11 AM MST Thursday.

* IMPACTS...Travel will be difficult, especially for high profile 
  vehicles.

$$

WYZ015-250000-
/O.NEW.KRIW.HW.W.0017.251225T0200Z-251225T1800Z/
Wind River Mountains East-
110 AM MST Wed Dec 24 2025

...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 11 AM MST 
THURSDAY...

* WHAT...Southwest winds 35 to 50 mph with gusts up to 75 mph 
  expected.

* WHERE...Wind River Mountains East.

* WHEN...From 7 PM this evening to 11 AM MST Thursday.

* IMPACTS...Travel will be difficult, especially for high profile 
  vehicles. This includes over South Pass

* ADDITIONAL DETAILS...Periods of snow and blowing snow may bring 
  reduced visibility at times.

$$

WYZ022-250000-
/O.NEW.KRIW.HW.W.0017.251225T0200Z-251225T1800Z/
Casper Mountain-
110 AM MST Wed Dec 24 2025

...HIGH WIND WARNING IN EFFECT FROM 7 PM THIS EVENING TO 11 AM MST 
THURSDAY...

* WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph 
  expected.

* WHERE...Casper Mountain.

* WHEN...From 7 PM this evening to 11 AM MST Thursday.

* IMPACTS...Travel will be difficult, especially for high profile 
  vehicles.

$$

For more information from the National Weather Service, visit 
https://weather.gov/riw/ .

Hattings


Action: Continued
Issued At: 2025-12-24 13:05:19

955 
WWUS75 KRIW 241904
NPWRIW

URGENT - WEATHER MESSAGE
National Weather Service Riverton WY
1204 PM MST Wed Dec 24 2025

WYZ015-251415-
/O.CON.KRIW.HW.W.0017.251225T0200Z-251225T1800Z/
Wind River Mountains East-
1204 PM MST Wed Dec 24 2025

...HIGH WIND WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 11 
AM MST THURSDAY...

* WHAT...Southwest winds 35 to 50 mph with gusts up to 75 mph 
  expected.

* WHERE...Wind River Mountains East.

* WHEN...From 7 PM this evening to 11 AM MST Thursday.

* IMPACTS...Travel will be difficult, especially for high profile 
  vehicles. This includes over South Pass.

* ADDITIONAL DETAILS...Periods of snow and blowing snow may bring 
  reduced visibility at times.

$$

WYZ019-020-022-251415-
/O.CON.KRIW.HW.W.0017.251225T0200Z-251225T1800Z/
Green Mountains and Rattlesnake Range-Natrona County Lower
Elevations-Casper Mountain-
Including the cities of Jeffrey City and Casper
1204 PM MST Wed Dec 24 2025

...HIGH WIND WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 11 
AM MST THURSDAY...

* WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph 
  expected. Locally higher gusts are possible on the south side of 
  Casper.

* WHERE...Casper Mountain, Green Mountains and Rattlesnake Range, 
  and Natrona County Lower Elevations.

* WHEN...From 7 PM this evening to 11 AM MST Thursday.

* IMPACTS...Travel may be difficult, especially for high profile 
  vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Watch for falling debris and tree limbs. Use caution if you must 
drive.

&&

$$

For more information from the National Weather Service, visit 
https://weather.gov/riw/ .

Wittmann


Action: Continued
Issued At: 2025-12-24 13:05:19

955 
WWUS75 KRIW 241904
NPWRIW

URGENT - WEATHER MESSAGE
National Weather Service Riverton WY
1204 PM MST Wed Dec 24 2025

WYZ015-251415-
/O.CON.KRIW.HW.W.0017.251225T0200Z-251225T1800Z/
Wind River Mountains East-
1204 PM MST Wed Dec 24 2025

...HIGH WIND WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 11 
AM MST THURSDAY...

* WHAT...Southwest winds 35 to 50 mph with gusts up to 75 mph 
  expected.

* WHERE...Wind River Mountains East.

* WHEN...From 7 PM this evening to 11 AM MST Thursday.

* IMPACTS...Travel will be difficult, especially for high profile 
  vehicles. This includes over South Pass.

* ADDITIONAL DETAILS...Periods of snow and blowing snow may bring 
  reduced visibility at times.

$$

WYZ019-020-022-251415-
/O.CON.KRIW.HW.W.0017.251225T0200Z-251225T1800Z/
Green Mountains and Rattlesnake Range-Natrona County Lower
Elevations-Casper Mountain-
Including the cities of Jeffrey City and Casper
1204 PM MST Wed Dec 24 2025

...HIGH WIND WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 11 
AM MST THURSDAY...

* WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph 
  expected. Locally higher gusts are possible on the south side of 
  Casper.

* WHERE...Casper Mountain, Green Mountains and Rattlesnake Range, 
  and Natrona County Lower Elevations.

* WHEN...From 7 PM this evening to 11 AM MST Thursday.

* IMPACTS...Travel may be difficult, especially for high profile 
  vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Watch for falling debris and tree limbs. Use caution if you must 
drive.

&&

$$

For more information from the National Weather Service, visit 
https://weather.gov/riw/ .

Wittmann


Action: Continued
Issued At: 2025-12-25 03:22:17

765 
WWUS75 KRIW 250921
NPWRIW

URGENT - WEATHER MESSAGE
National Weather Service Riverton WY
221 AM MST Thu Dec 25 2025

WYZ015-251800-
/O.CON.KRIW.HW.W.0017.000000T0000Z-251225T1800Z/
Wind River Mountains East-
221 AM MST Thu Dec 25 2025

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS 
MORNING...

* WHAT...Southwest winds 40 to 50 mph with gusts up to 75 mph.

* WHERE...Wind River Mountains East.

* WHEN...Until 11 AM MST this morning.

* IMPACTS...Travel will be difficult, especially for high profile 
  vehicles. This includes over South Pass.

$$

WYZ019-020-022-251800-
/O.CON.KRIW.HW.W.0017.000000T0000Z-251225T1800Z/
Green Mountains and Rattlesnake Range-Natrona County Lower
Elevations-Casper Mountain-
Including the cities of Jeffrey City and Casper
221 AM MST Thu Dec 25 2025

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS 
MORNING...

* WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph 
  expected. Locally higher gusts are possible on the south side of 
  Casper.

* WHERE...Casper Mountain, Green Mountains and Rattlesnake Range, 
  and Natrona County Lower Elevations.

* WHEN...Until 11 AM MST this morning.

* IMPACTS...Travel may be difficult, especially for high profile 
  vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive.

&&

$$

For more information from the National Weather Service, visit 
https://weather.gov/riw/ .

Hattings


Action: Continued
Issued At: 2025-12-25 03:22:17

765 
WWUS75 KRIW 250921
NPWRIW

URGENT - WEATHER MESSAGE
National Weather Service Riverton WY
221 AM MST Thu Dec 25 2025

WYZ015-251800-
/O.CON.KRIW.HW.W.0017.000000T0000Z-251225T1800Z/
Wind River Mountains East-
221 AM MST Thu Dec 25 2025

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS 
MORNING...

* WHAT...Southwest winds 40 to 50 mph with gusts up to 75 mph.

* WHERE...Wind River Mountains East.

* WHEN...Until 11 AM MST this morning.

* IMPACTS...Travel will be difficult, especially for high profile 
  vehicles. This includes over South Pass.

$$

WYZ019-020-022-251800-
/O.CON.KRIW.HW.W.0017.000000T0000Z-251225T1800Z/
Green Mountains and Rattlesnake Range-Natrona County Lower
Elevations-Casper Mountain-
Including the cities of Jeffrey City and Casper
221 AM MST Thu Dec 25 2025

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS 
MORNING...

* WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph 
  expected. Locally higher gusts are possible on the south side of 
  Casper.

* WHERE...Casper Mountain, Green Mountains and Rattlesnake Range, 
  and Natrona County Lower Elevations.

* WHEN...Until 11 AM MST this morning.

* IMPACTS...Travel may be difficult, especially for high profile 
  vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive.

&&

$$

For more information from the National Weather Service, visit 
https://weather.gov/riw/ .

Hattings


Action: Expired
Issued At: 2025-12-25 11:34:02

716 
WWUS75 KRIW 251733
NPWRIW

URGENT - WEATHER MESSAGE
National Weather Service Riverton WY
1033 AM MST Thu Dec 25 2025

WYZ015-019-020-022-251845-
/O.EXP.KRIW.HW.W.0017.000000T0000Z-251225T1800Z/
Wind River Mountains East-Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-
Including the cities of Casper and Jeffrey City
1033 AM MST Thu Dec 25 2025

...HIGH WIND WARNING WILL EXPIRE AT 11 AM MST THIS MORNING...

The strongest winds have ended. Gusty winds up to 50 mph will 
continue through mid-afternoon, decreasing into this evening.

$$

For more information from the National Weather Service, visit 
https://weather.gov/riw/ .

Wittmann



Page Loaded at: 2025-12-25 22:23:36 -- Client Address: 216.73.216.210 -- Refresh Time: seconds