030 
WWUS85 KRIW 280732
RFWRIW

URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
1232 AM MST Sat Feb 28 2026

WYZ280-010000-
/O.NEW.KRIW.FW.W.0003.260228T1800Z-260301T0000Z/
Natrona County/Casper BLM-
1232 AM MST Sat Feb 28 2026

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 5 PM MST
THIS AFTERNOON...

The National Weather Service in Riverton has issued a Red Flag
Warning, which is in effect from 11 AM this morning to 5 PM MST
this afternoon.

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

* AFFECTED AREA: 
  In Central WY...Fire Weather Zone 280.

* COUNTIES AFFECTED: 
  In Central WY...Natrona.

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

* HUMIDITY: 14 to 20 percent.

* TEMPERATURES: Highs in the mid 50s.

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

800 
WWUS85 KRIW 282354
RFWRIW

URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
454 PM MST Sat Feb 28 2026

WYZ280-010100-
/O.EXP.KRIW.FW.W.0003.000000T0000Z-260301T0000Z/
Natrona County/Casper BLM-
454 PM MST Sat Feb 28 2026

...RED FLAG WARNING WILL EXPIRE AT 5 PM MST SATURDAY...

Westerly wind has decreased across Natrona County late Saturday 
afternoon. Also, cooler air and a north wind are arriving behind a
cold front poised to push south through Casper by sunset. As a 
result, the Red Flag Warning will expire at 5 PM Saturday.

$$

http://weather.gov/riverton