Warm Temperatures in the Eastern U.S. with Thunderstorms from the Midwest to the ArkLaTex Region

Halloween will be reminiscent of summer in the East, with temperatures 20-30 degrees above normal. A cold front sweeping through the central U.S. will usher in more seasonable temperatures along with isolated severe thunderstorms in parts of the Midwest and Mississippi River Valley. The Northwest U.S. will remain unsettled with rain and heavy mountain snow. Read More >

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Last Map Update: Thu, Oct 31, 2024 at 6:04:10 pm MDT

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National Weather Service Great Falls, MT

Winter Weather Advisory

Hazardous Weather Outlook

Mountain Snow to End the Week

Halloween Forecast

More Pass Level Snow Saturday PM-Tuesday

A series of weather systems will bring modest snow amounts to area mountains through Saturday morning. There is high confidence in mountain snowfall, with a 50% probability for at least 4 inches above 4,500 feet along MT/ID border, including Lookout Pass. Valleys will primarily see light rainfall, and perhaps a mix of rain and snow during the overnight hours.

A period of active weather will continue across the Northern Rockies later Saturday through Tuesday. Periodic pass level snowfall will be common, with slushy/snow covered roadways and reduced visibility. Valley locations will continue to see cool temperatures with a mix of rain and snow showers expected. The bulk of accumulating snowfall will occur above 4,000 feet but occasionally lower valleys may see a few slick spots on roadways.

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Warm Temperatures in the Eastern U.S. with Thunderstorms from the Midwest to the ArkLaTex Region

NWS Forecast Office Missoula, MT