Expected

Responsive action SHOULD be taken soon (within next hour)

North Dakota Red Flag Warning | Effective 05/11/2026 08:59

...RED FLAG WARNING TODAY FOR WESTERN AND MOST OF CENTRAL NORTH DAKOTA, INCLUDING THE JAMES RIVER VALLEY... .Critical fire weather conditions are expected today across western and central North Dakota, including the James River Valley. Southerly winds of 25 to 35 mph with gusts up to 45 mph will shift to the northwest in the afternoon and evening, initially in western and then central North Dakota. Relative humidity values will drop to as low as 15 percent. There is a low

North Dakota Red Flag Warning | Effective 05/11/2026 07:42

...RED FLAG WARNING TODAY FOR WESTERN AND MOST OF CENTRAL NORTH DAKOTA, INCLUDING THE JAMES RIVER VALLEY... .Critical fire weather conditions are expected today across western and most of central North Dakota, including the James River Valley. Southerly winds of 25 to 35 mph with gusts up to 45 mph will shift to the northwest in the afternoon and evening, initially in western and then central North Dakota. Relative humidity values will drop to as low as 15 percent. There is a low

South Dakota Red Flag Warning | Effective 05/11/2026 07:00

* AFFECTED AREA...In South Dakota, Stanley, Hughes, Jones and Lyman. * WINDS...South 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 15 percent. * IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress. 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.

North Dakota Red Flag Warning | Effective 05/11/2026 03:51

...RED FLAG WARNING TODAY FOR WESTERN AND MOST OF CENTRAL NORTH DAKOTA, INCLUDING THE JAMES RIVER VALLEY... .Critical fire weather conditions are expected today across western and most of central North Dakota, including the James River Valley. Southerly winds of 25 to 35 mph with gusts up to 45 mph will shift to the northwest in the afternoon and evening, initially in western and then central North Dakota. Relative humidity values will drop to as low as 15 percent. There is a low

South Dakota, , Wyoming Red Flag Warning | Effective 05/11/2026 03:17

...HOT, DRY, AND BREEZY WEEK AHEAD, WITH NEAR-CRITICAL TO CRITICAL FIRE WEATHER CONDITIONS BEGINNING TODAY... .A near-critical to critical fire weather pattern is forecast to develop across much of western South Dakota starting today, and continue through much of the week. The most critical days at this time appear to be today, Wednesday, and Thursday. A RED FLAG WARNING has been issued for the western South Dakota plains today...the first day of this pattern...due to a combination of

California Extreme Heat Warning | Effective 05/11/2026 02:07

* WHAT...Dangerously hot conditions with high temperatures of 105 to 110 expected. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose

Montana, South Dakota Red Flag Warning | Effective 05/11/2026 00:28

* IMPACTS: Low humidities, unseasonably warm temperatures, and strong gusty winds will create erratic fire behavior. * AFFECTED AREA: In Southeast MT Fire Zones...130...132. In Southeast MT and Northwest SD Fire Zone...133. The most critical areas exist mainly along and north of Interstate 94 and US Highway 12. * COUNTIES AFFECTED: In Northwest SD...Harding. In Southeast MT...Carter...Custer...Fallon...Rosebud...Treasure. * COLD FRONT: A cold front will shift winds from the south to the

Arizona Extreme Heat Warning | Effective 05/11/2026 00:19

* WHAT...Dangerously hot conditions. Afternoon temperatures 105 to 110. Major Heat Risk. * WHERE...The Northwest Valley of the Phoenix Metro Area, The East Valley of the Phoenix Metro Area, Buckeye/Avondale, Deer Valley, Central Phoenix, North Phoenix/Glendale, Scottsdale/Paradise Valley, South Mountain/Ahwatukee, and Southeast Valley/Queen Creek. * WHEN...Until 8 PM MST Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat

California Extreme Heat Warning | Effective 05/11/2026 00:19

* WHAT...Dangerously hot conditions. Afternoon temperatures 103 to 112. Major Heat Risk. * WHERE...Southwest corner of Imperial County, Western Imperial County, and Salton Sea. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. An Extreme Heat Warning means that a period of very hot

Arizona, California Extreme Heat Warning | Effective 05/11/2026 00:19

* WHAT...Dangerously hot conditions. Afternoon temperatures 106 to 112 expected. Major Heat Risk. * WHERE...In Arizona, Parker Valley and Yuma. In California, Chuckwalla Valley, Imperial Valley, and Palo Verde Valley. * WHEN...From 11 AM MST /11 AM PDT/ this morning to 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 exhaustion to develop and, without intervention, can lead to heat stroke.
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