Watches, Warnings & Advisories



2 products issued by NWS for: Green River WY

Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Riverton WY
518 AM MDT Tue Jul 15 2025

WYZ001>020-022>030-161530-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Bighorn Basin-Southwest Bighorn Basin-Southeast Bighorn Basin-
Owl Creek and Bridger Mountains-Bighorn Mountains West-
Bighorn Mountains Southeast-Northeast Johnson County-
Southeast Johnson County-Teton and Gros Ventre Mountains-
Jackson Hole-Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
518 AM MDT Tue Jul 15 2025

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and tonight.

Widespread to numerous thunderstorms are possible this afternoon and
evening, especially east of the Divide. Strong to severe thunderstorms
will be capable of 60 mph winds, 1 inch hail, and periods of heavy
rainfall. West of the Divide, dry thunderstorms capable of gusty
outflows up to 60 mph are possible this afternoon.

A Red Flag Warning is in effect from 12PM to 8PM across Zone 279
where low relative humidity, gusty winds, and dry thunderstorm
potential exists.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Wednesday...Chances for afternoon and evening thunderstorms.

Friday through Monday...Isolated afternoon and evening thunderstorm
chances each day.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.

$$




Red Flag Warning

URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
339 AM MDT Tue Jul 15 2025

WYZ279-160200-
/O.NEW.KRIW.FW.W.0004.250715T1800Z-250716T0200Z/
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
339 AM MDT Tue Jul 15 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.

* IMPACTS: Low Humidities...Hot Temperatures...Strong Gusty
  Winds...and Dry Thunderstorms with gusty and erratic outflow
  winds could cause erratic fire behavior.

* AFFECTED AREA:
  In Southwest WY...Fire Weather Zone 279.

* COUNTIES AFFECTED:
  In Southwest WY...Sweetwater.

* WIND: West 10 to 20 mph with gusts up to 35 mph.

* THUNDERSTORMS: Between 1 PM and 8 PM with increasing confidence
  after 5 PM.

* HUMIDITY: As low as 10 percent.

* TEMPERATURES: Highs in the mid 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.

&&

$$

http://weather.gov/riverton