Active Weather Alerts
Red Flag Warning
Issued: 8:22 AM Jul. 25, 2026 – National Weather Service
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO MIDNIGHT MDT TONIGHT... * IMPACTS: Low humidities, hot temperatures, and high-based thunderstorms with gusty and erratic outflow winds will create erratic fire behavior and potential for new fire starts. * AFFECTED AREA: In North Central WY Fire Zones...274...284. In South Central MT Fire Zones...123...124...125...126...127 128...129. In Southeast MT Fire Zones...130...131...132. In Southeast MT and Northwest SD Fire Zone...133. * COUNTIES AFFECTED: In Central MT...Golden Valley...Musselshell...Wheatland. In North Central WY...Big Horn...Johnson...Sheridan...Washakie. In Northwest SD...Harding. In South Central MT...Big Horn...Carbon...Park...Stillwater Sweet Grass...Yellowstone. In Southeast MT...Carter...Custer...Fallon...Powder River Rosebud...Treasure. In Southwest MT...Gallatin. * WIND: Southwest 10 to 15 mph with gusts to 25 mph. * THUNDERSTORMS: Isolated to scattered afternoon and evening thunderstorms will produce gusty and erratic winds, and spotty rainfall. * HUMIDITY: Minimums of 11 to 19 percent. * TEMPERATURES: Highs of 97 to 107 below 5000 feet, hottest in the east.. 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. &&
Heat Advisory
Issued: 4:23 AM Jul. 25, 2026 – National Weather Service
...HEAT ADVISORY REMAINS IN EFFECT FROM NOON SATURDAY TO 8 PM MDT SUNDAY... * WHAT...Heat index values up to 105 expected. * WHERE...Portions of northwestern and southwestern South Dakota and northeast Wyoming. * WHEN...From noon Saturday to 8 PM MDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. &&
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