Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. Read More >

Click a location below for detailed forecast.

Last Map Update: Thu, Aug 20, 2026 at 8:22:44 am MDT

Watches, Warnings & Advisories

Zoom Out

National Weather Service Great Falls, MT

Heat Advisory

Air Quality Alert

Heat Returns to Western MT & North Central ID

We are tracking a return to hot weather late this week. 🌡️ Heat will build on Thursday, with temperatures peaking on Friday, August 21st. Expect highs in the 90s for western Montana and the low 100s in the lower valleys of north central Idaho. Please note: Overnight relief will be minimal in the NC Idaho lower valleys, with lows only dropping to near 70 degrees. We're also expecting degraded air quality across the region from smoke. Take it easy out there, stay hydrated, and check in on your neighbors!