Severe Weather and Heavy Rainfall from the High Plains to the Ohio Valley; Heat Continuing in the Central Plains and Southeast

A stationary front will be the focus for daily showers and thunderstorms capable of widely scattered flash flooding and severe weather from the High Plains to the Ohio Valley. Monsoonal thunderstorms could cause local flash flooding across the Southwest and the Great Basin. Dangerous heat continues across the Central Plains and Southeast. Many areas will see their hottest temperatures of the year. Read More >

Click a location below for detailed forecast.

Last Map Update: Wed, Aug 12, 2026 at 2:24:22 pm MDT

Watches, Warnings & Advisories

Zoom Out

National Weather Service Great Falls, MT

Flash Flood Watch

Red Flag Warning

Lake Wind Advisory

Air Quality Alert

Gusty Northeast Winds - Tonight through Thursday

Thunderstorms - Wednesday Evening

Rainfall Potential - Through Thursday PM

Winds across western Montana will shift to northeast 10-20 mph, gusting to 30 mph at times, tonight through Thursday. Watch for increased wave activity on area lakes.

Scattered showers and thunderstorms will bring localized heavy rainfall and gusty winds to Western Montana and North-Central Idaho starting Wednesday afternoon. The probability of receiving 0.25 inches or more of rainfall varies across the region through Thursday night: Butte: 70% Salmon: 64% Missoula: 37% Kalispell: 15% Grangeville: 0% Note on 0% Probabilities: A 0% value on this map does not necessarily mean no rain will fall at all. It indicates a low to near-zero chance of reaching the 0.25-inch threshold. Lighter or more brief / less frequent showers remain possible in these areas.