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Fire Weather Warning 0007
Issued by the Riverton Forecast Office

Action Issued Starts Expiration
New 2025-07-26 02:34:57 2025-07-26 13:00:00 2025-07-26 21:00:00
New 2025-07-26 02:34:57 2025-07-26 13:00:00 2025-07-26 21:00:00
Expired 2025-07-26 20:58:25 2025-07-26 21:00:00
Expired 2025-07-26 20:58:25 2025-07-26 21:00:00


Action: New
Issued At: 2025-07-26 02:34:57

918 
WWUS85 KRIW 260734
RFWRIW

URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
134 AM MDT Sat Jul 26 2025

WYZ277-279-270200-
/O.UPG.KRIW.FW.A.0004.250726T1800Z-250727T0200Z/
/O.NEW.KRIW.FW.W.0007.250726T1800Z-250727T0200Z/
Lincoln and Uinta Counties/Lower Elevations-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
134 AM MDT Sat Jul 26 2025

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS
EVENING...

The National Weather Service in Riverton has issued a Red Flag
Warning, which is in effect from noon today to 8 PM MDT this
evening. the Fire Weather Watch is no longer in effect.

* IMPACTS: Low Humidities...Hot Temperatures...and Strong Gusty 
  Winds could cause erratic fire behavior. 

* AFFECTED AREA: 
  In Southwest WY...Fire Weather Zones 277 and 279.

* COUNTIES AFFECTED: 
  In Southwest WY...Sweetwater...Uinta.
  In West Central WY...Lincoln.

* WIND: Southwest 10 to 20 mph with gusts up to 30 mph.

* HUMIDITY: As low as 8 percent.

* TEMPERATURES: Highs in the 80s.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions are
either occurring now....or will shortly. A combination of strong
winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$

WYZ280-289-270200-
/O.UPG.KRIW.FW.A.0004.250726T1800Z-250727T0200Z/
/O.NEW.KRIW.FW.W.0007.250726T1800Z-250727T0200Z/
Natrona County/Casper BLM-
Granite/Green/Ferris/Rattlesnake Mountains-
134 AM MDT Sat Jul 26 2025

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS
EVENING...

The National Weather Service in Riverton has issued a Red Flag
Warning, which is in effect from noon today to 8 PM MDT this
evening. the Fire Weather Watch is no longer in effect.

* IMPACTS: Low Humidities...Hot Temperatures...and Strong Gusty 
  Winds could cause erratic fire behavior. 

* AFFECTED AREA: 
  In Central WY...Fire Weather Zones 280 and 289.

* COUNTIES AFFECTED: 
  In Central WY...Fremont...Natrona.
  In Southwest WY...Sweetwater.

* WIND: Southwest 10 to 20 mph with gusts up to 30 mph.

* HUMIDITY: As low as 9 percent.

* TEMPERATURES: Highs in the upper 80s to mid 90s.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions are
either occurring now....or will shortly. A combination of strong
winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$

http://weather.gov/riverton


Action: New
Issued At: 2025-07-26 02:34:57

918 
WWUS85 KRIW 260734
RFWRIW

URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
134 AM MDT Sat Jul 26 2025

WYZ277-279-270200-
/O.UPG.KRIW.FW.A.0004.250726T1800Z-250727T0200Z/
/O.NEW.KRIW.FW.W.0007.250726T1800Z-250727T0200Z/
Lincoln and Uinta Counties/Lower Elevations-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
134 AM MDT Sat Jul 26 2025

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS
EVENING...

The National Weather Service in Riverton has issued a Red Flag
Warning, which is in effect from noon today to 8 PM MDT this
evening. the Fire Weather Watch is no longer in effect.

* IMPACTS: Low Humidities...Hot Temperatures...and Strong Gusty 
  Winds could cause erratic fire behavior. 

* AFFECTED AREA: 
  In Southwest WY...Fire Weather Zones 277 and 279.

* COUNTIES AFFECTED: 
  In Southwest WY...Sweetwater...Uinta.
  In West Central WY...Lincoln.

* WIND: Southwest 10 to 20 mph with gusts up to 30 mph.

* HUMIDITY: As low as 8 percent.

* TEMPERATURES: Highs in the 80s.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions are
either occurring now....or will shortly. A combination of strong
winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$

WYZ280-289-270200-
/O.UPG.KRIW.FW.A.0004.250726T1800Z-250727T0200Z/
/O.NEW.KRIW.FW.W.0007.250726T1800Z-250727T0200Z/
Natrona County/Casper BLM-
Granite/Green/Ferris/Rattlesnake Mountains-
134 AM MDT Sat Jul 26 2025

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS
EVENING...

The National Weather Service in Riverton has issued a Red Flag
Warning, which is in effect from noon today to 8 PM MDT this
evening. the Fire Weather Watch is no longer in effect.

* IMPACTS: Low Humidities...Hot Temperatures...and Strong Gusty 
  Winds could cause erratic fire behavior. 

* AFFECTED AREA: 
  In Central WY...Fire Weather Zones 280 and 289.

* COUNTIES AFFECTED: 
  In Central WY...Fremont...Natrona.
  In Southwest WY...Sweetwater.

* WIND: Southwest 10 to 20 mph with gusts up to 30 mph.

* HUMIDITY: As low as 9 percent.

* TEMPERATURES: Highs in the upper 80s to mid 90s.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions are
either occurring now....or will shortly. A combination of strong
winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$

http://weather.gov/riverton


Action: Expired
Issued At: 2025-07-26 20:58:25

938 
WWUS85 KRIW 270157
RFWRIW

URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
757 PM MDT Sat Jul 26 2025

WYZ277-279-270300-
/O.EXP.KRIW.FW.W.0007.000000T0000Z-250727T0200Z/
Lincoln and Uinta Counties/Lower Elevations-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
757 PM MDT Sat Jul 26 2025

...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING...

Winds are beginning to decrease this evening, with slowly improving
RH. The Red Flag Warning will be allowed to expire; however, fire 
weather conditions remain elevated into the early overnight hours.

$$

WYZ280-289-270300-
/O.EXP.KRIW.FW.W.0007.000000T0000Z-250727T0200Z/
Natrona County/Casper BLM-
Granite/Green/Ferris/Rattlesnake Mountains-
757 PM MDT Sat Jul 26 2025

...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING...

Winds are beginning to decrease this evening, with slowly improving
RH. The Red Flag Warning will be allowed to expire; however, fire 
weather conditions remain elevated into the early overnight hours.

$$

http://weather.gov/riverton


Action: Expired
Issued At: 2025-07-26 20:58:25

938 
WWUS85 KRIW 270157
RFWRIW

URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
757 PM MDT Sat Jul 26 2025

WYZ277-279-270300-
/O.EXP.KRIW.FW.W.0007.000000T0000Z-250727T0200Z/
Lincoln and Uinta Counties/Lower Elevations-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
757 PM MDT Sat Jul 26 2025

...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING...

Winds are beginning to decrease this evening, with slowly improving
RH. The Red Flag Warning will be allowed to expire; however, fire 
weather conditions remain elevated into the early overnight hours.

$$

WYZ280-289-270300-
/O.EXP.KRIW.FW.W.0007.000000T0000Z-250727T0200Z/
Natrona County/Casper BLM-
Granite/Green/Ferris/Rattlesnake Mountains-
757 PM MDT Sat Jul 26 2025

...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING...

Winds are beginning to decrease this evening, with slowly improving
RH. The Red Flag Warning will be allowed to expire; however, fire 
weather conditions remain elevated into the early overnight hours.

$$

http://weather.gov/riverton



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