National Weather Service United States Department of Commerce

Severe Weather Possible from the Central Plains to the Northeast; Building Heat in the West; Fire Weather Concerns for the Southwest

Severe thunderstorms will be possible from the central Plains to the Mid-Atlantic and Northeast on Monday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry conditions will fuel fire weather concerns for Interior Alaska and the Four Corners region through Monday. Read More >

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Last Map Update: Sun, Jun 21, 2026 at 8:24:16 pm MDT

The Summer solstice will occur at 2:24 AM, Sunday June 21st. So Sunday is the longest day of the year with about 15 hours and 54 minutes of daylight in Missoula. Locations north of Missoula will be slightly longer and locations south of Missoula will be slightly shorter.
Temperatures will begin to warm Monday and Tuesday, with the hottest days of the week being Wednesday, June 24 and Thursday, June 25th across the region. Temps in the upper 80s to 90s are likely in western Montana valleys, with central Idaho valleys reaching up to 102 degrees.

 

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