Expected

Responsive action SHOULD be taken soon (within next hour)

Utah Severe Fire Warning | Effective 08/10/2026 12:25

The area south of Franklin Canyon to Icy Springs/Wohali Way is in SET status for possible evacuation from the Rocky Canyon Fire. Be prepared to leave at a moment's notice. This is NOT an evacuation order. Load your vehicle with your go bag and essentials. Please do not call 911 for updates. Continue to monitor for official information available at www.dsummitcounty.info/emergency and Utah Fire Info.

Utah Severe Fire Warning | Effective 08-10-2026 12:25

The area south of Franklin Canyon to Icy Springs/Wohali Way is in SET status for possible evacuation from the Rocky Canyon Fire. Be prepared to leave at a moment's notice. This is NOT an evacuation order. Load your vehicle with your go bag and essentials. Please do not call 911 for updates. Continue to monitor for official information available at www.dsummitcounty.info/emergency and Utah Fire Info.

Arizona, California Severe Extreme Heat Warning | Effective 08/10/2026 12:10

* WHAT...Dangerously hot conditions. Afternoon temperatures 107 to 112 with apparent temperatures between 110 and 120 degrees. Major Heat Risk. * WHERE...In Arizona, Parker Valley and Yuma. In California, Chuckwalla Valley, Imperial County West, Imperial Valley, Palo Verde Valley, and Salton Sea. * WHEN...Until 8 PM MST /8 PM PDT/ this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat

South Dakota, Wyoming Severe Red Flag Warning | Effective 08/10/2026 11:46

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING DUE TO GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FALL RIVER COUNTY AREA, NORTHERN CAMPBELL, SOUTHERN CAMPBELL, CROOK COUNTY PLAINS, AND WESTON COUNTY PLAINS... * AFFECTED AREA...Fire Weather Zones 314, 315, 316, 317, and 322. * TIMING...Until 9 PM MDT this evening. * WINDS...Northwest winds 10 to 15 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...Relative Humidity as low as 10%. * IMPACTS...Any fires that develop will spread rapidly. Outdoor

California Severe Extreme Heat Warning | Effective 08/10/2026 11:29

* WHAT...High temperatures up to 108 degrees and Major to locally Extreme Heat Risk. * WHERE...San Joaquin Valley and adjacent foothills, Lake Isabella, and the Kern River Valley. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures and limited overnight relief may cause heat illnesses. * ADDITIONAL DETAILS...Afternoon high temperatures of 102 to 108 degrees will occur through Monday. Overnight lows will generally only fall into the mid 60s to mid 70s with little overnight relief.

California Severe Extreme Heat Warning | Effective 08/10/2026 11:29

* WHAT...Dangerously hot conditions with Major to Extreme Heat Risk. Highs 106 to 112 degrees. * WHERE...Mojave Desert. Includes Indian Wells Valley and Mojave Slopes. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events, especially those with little overnight relief from the heat. * ADDITIONAL DETAILS...Dangerously hot conditions with high temperatures up to 112 degrees. Overnight lows will range from 75 to 80 degrees.

California Severe Extreme Heat Warning | Effective 08/10/2026 11:29

* WHAT...High temperatures up to 105 degrees and Major Heat Risk today. * WHERE...Mariposa-Madera Lower Sierra. Includes Mariposa, North Fork, Oakhurst, Coarsegold, and El Portal. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures and limited overnight relief may cause heat illnesses. * ADDITIONAL DETAILS...Afternoon high temperatures of 102 to 110 degrees will occur until Monday, with the hottest temperatures expected today and mainly for elevations around 3,000 feet and

California Severe Extreme Heat Warning | Effective 08/10/2026 11:29

* WHAT...High temperatures of 100 to 108 degrees and Major Heat Risk. * WHERE...San Joaquin Valley and adjacent foothills, Lake Isabella, and the Kern River Valley. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures and limited overnight relief may cause heat illnesses. * ADDITIONAL DETAILS...Afternoon high temperatures of 105 to 110 degrees will occur until Monday, with the hottest temperatures expected today. Overnight lows will generally only fall into the

Illinois Severe Extreme Heat Warning | Effective 08/10/2026 10:15

* WHAT...Dangerously hot conditions with peak heat index values up to 113 degrees. * WHERE...Perry IL County. * WHEN...Until 8 PM CDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Daily heat index values will remain elevated in the triple digits thru the remainder of the week. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

California Severe Extreme Heat Warning | Effective 08/10/2026 03:51

* WHAT...High temperatures up to 105 degrees and Major Heat Risk today. * WHERE...Mariposa-Madera Lower Sierra. Includes Mariposa, North Fork, Oakhurst, Coarsegold, and El Portal. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures and limited overnight relief may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car
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