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Extreme Heat and Excessive Rainfall This Week

A significant heat wave continues for the Rockies, Northern Plains, and Great Lakes into the Mid-Atlantic, peaking in intensity through midweek and lingering across parts of the Northern Plains and Midwest until this weekend. Excessive rainfall my bring life-threatening and locally catastrophic flash and urban flooding across portions of southwestern Texas through early Friday. Read More >

Glasgow, MT

Weather Forecast Office

NWS Forecast Office Glasgow, MT

Weather.gov > Glasgow, MT

Severe Thunderstorms This Evening
Hot Weather Continues Today
Lake Wind Advisory
Scattered severe thunderstorms are expected mainly from 9PM till Midnight tonight. Storms are expected to enter the NE Montana from the southwest around 7PM and should exit into Canada late tonight. Main threats are damaging winds, small hail, and heavy rain that could cause flooding.
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An Extreme Heat Warning has been extended until 2 am Thursday for areas along and east of the Yellowstone River. Most of the remainder of northeast Montana has a Heat Advisory in effect 2 am Wednesday. Highs today will in the 90s in most areas and near 100 along and east of the Yellowstone River. Heat index could reach as high as 110 today between Terry, Glendive, and Sidney.
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A slight weakening of the upper ridge will allow a bit of unstable air to move in, which will aid in bringing winds up. If out on Fort Peck Lake, make sure to have safety equipment with you in case a challenging boating situation comes up.
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