Wyoming weather alerts

5 active watches, warnings and advisories in Wyoming, most urgent first. From the National Weather Service.

Red Flag Warning 4

Red Flag Warning

Severe · Expected

From 11:00 AM Fri until 11:00 PM Fri·Issued 7:38 PM Thu Oct 22·NWS Rapid City SD

Red Flag Warning issued October 22 at 7:38PM MDT until October 23 at 11:00PM MDT by NWS Rapid City SD

Details

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 11 PM MDT FRIDAY DUE TO GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR NORTHERN FOOT HILLS, BUTTE COUNTY AREA, AND WYOMING BLACK HILLS...

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 11 PM MDT FRIDAY DUE TO GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR NORTHERN CAMPBELL, SOUTHERN CAMPBELL, CROOK COUNTY PLAINS, AND WESTON COUNTY PLAINS...

Affected area: Fire Weather Zones 318, 323, and 327.

Timing: From 11 AM to 11 PM MDT Friday.

Winds: Southwest winds 15 to 25 mph with gusts up to 40 mph.

Relative humidity: As low as 15 percent.

Impacts: Any fires that develop will spread rapidly. Outdoor burning is not recommended.

What to do

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.

Areas: Northern Foot Hills; Butte County Area; Wyoming Black Hills

Red Flag Warning

Severe · Expected

From 11:00 AM Fri until 11:00 PM Fri·Issued 7:38 PM Thu Oct 22·NWS Rapid City SD

Red Flag Warning issued October 22 at 7:38PM MDT until October 23 at 11:00PM MDT by NWS Rapid City SD

Details

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 11 PM MDT FRIDAY DUE TO GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR NORTHERN FOOT HILLS, BUTTE COUNTY AREA, AND WYOMING BLACK HILLS...

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 11 PM MDT FRIDAY DUE TO GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR NORTHERN CAMPBELL, SOUTHERN CAMPBELL, CROOK COUNTY PLAINS, AND WESTON COUNTY PLAINS...

Affected area: Fire Weather Zones 314, 315, 316, and 317.

Timing: From 11 AM to 11 PM MDT Friday.

Winds: Southwest winds 25 to 35 mph with gusts up to 55 mph.

Relative humidity: As low as 15 percent.

Impacts: Any fires that develop will spread rapidly. Outdoor burning is not recommended.

What to do

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.

Areas: Northern Campbell; Southern Campbell; Crook County Plains; Weston County Plains

Red Flag Warning

Severe · Expected

From 12:00 PM Fri until 9:00 PM Fri·Issued 12:14 PM Thu Oct 22·NWS Billings MT

Red Flag Warning issued October 22 at 12:14PM MDT until October 23 at 9:00PM MDT by NWS Billings MT

Details

The National Weather Service in Billings has issued a Red Flag Warning...which is in effect from noon to 9 PM MDT Friday.

* IMPACTS: Low humidities, unseasonably warm temperatures, strong gusty winds, and a wind shift with a cold front will create erratic fire behavior and difficult control of new or existing fires.

* AFFECTED AREA: In North Central WY Fire Zone...274. In Southeast MT Fire Zone...131. In Southeast MT and Northwest SD Fire Zone...133.

* COUNTIES AFFECTED: In North Central WY...Sheridan. In Northwest SD...Harding. In South Central MT...Big Horn. In Southeast MT...Carter...Fallon...Powder River...Rosebud Treasure.

The most dangerous conditions are expected along and southeast of a Baker Montana to Sheridan Wyoming line.

* COLD FRONT: Late afternoon into early evening.

* WIND: Southwest 20 to 30 mph with gusts up to 45 mph. Winds shifting to the northwest behind the cold front, with continued gusts up to 45 mph through late Friday night.

* HUMIDITY: 15 to 25 percent.

* TEMPERATURES: 75 to 85 degrees.

What to do

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.

Areas: Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest; Sioux Ranger District Custer National Forest; Sheridan County/Casper BLM

Red Flag Warning

Severe · Expected

From 12:00 PM Fri until 8:00 PM Fri·Issued 11:31 AM Thu Oct 22·NWS Riverton WY

Red Flag Warning issued October 22 at 11:31AM MDT until October 23 at 8:00PM MDT by NWS Riverton WY

Details

The National Weather Service in Riverton has issued a Red Flag Warning, which is in effect from noon to 8 PM MDT Friday.

* IMPACTS: Low Humidities...Strong Gusty Winds...and Wind Shift with a Cold Front could cause erratic fire behavior.

* AFFECTED AREA: In North Central WY...Fire Weather Zone 281.

* COUNTIES AFFECTED: In North Central WY...Johnson.

* COLD FRONT: Moves in after 8 PM MDT Friday, with northerly 20 to 35 mph winds and gusts of 35 to 40 mph.

* WIND: Southwest 25 to 35 mph with gusts up to 50 mph.

* HUMIDITY: As low as 20 percent.

What to do

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.

Areas: Johnson County/Casper BLM

Air Quality Alert 1

Air Quality Alert

Unknown · Unknown

Until 7:00 PM Fri·Issued 8:38 PM Thu Oct 22·NWS Rapid City SD

Air Quality Alert issued October 22 at 8:38PM MDT by NWS Rapid City SD

Details

The following message is transmitted in collaboration with the Wyoming Department of Environmental Quality, Air Quality Division.

What: Strong southwest winds with gusts up to 55 mph.

Where: Powder River Basin of northeastern Wyoming.

When: Late Friday morning through early Friday evening.

Impacts: The strong winds will create blowing dust.

What to do

The Wyoming Air Quality Division recommends the elderly, young children, and individuals with respiratory problems avoid excessive physical exertion and minimize outdoor activities during this time. Although these people are most susceptible to health impacts, the air quality division also advises that everyone should avoid prolonged exposure to the poor air quality conditions.

Areas: Northern Campbell; Southern Campbell

Times are local to the first state an alert names. In an emergency follow the instructions of local officials.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Conservative index and reflects what the press published. Terms of use.