Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

PLAINS (PLAM8)

Lat: 47.46622°NLon: 114.87961°WElev: 2481.0ft.

NA

65°F

18°C

Humidity 40%
Wind Speed E 1 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 18 Aug 12:26 AM MDT
Extended Forecast for

Plains MT

  • Overnight

    Overnight: Partly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 90. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 90 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 50. West wind 5 to 7 mph becoming calm  in the evening.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91. Light and variable wind.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51. West wind around 5 mph becoming calm  in the evening.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 95.

    High: 95 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of rain after midnight.  Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
Partly cloudy, with a low around 52. Calm wind.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 90. Calm wind becoming west 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 50. West wind 5 to 7 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 91. Light and variable wind.
Wednesday Night
Partly cloudy, with a low around 51. West wind around 5 mph becoming calm in the evening.
Thursday
Sunny and hot, with a high near 96.
Thursday Night
Mostly clear, with a low around 56.
Friday
Mostly sunny, with a high near 95.
Friday Night
A chance of rain after midnight. Mostly cloudy, with a low around 57.
Saturday
A slight chance of rain before noon, then a slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88.
Saturday Night
A slight chance of rain and thunderstorms. Partly cloudy, with a low around 49.
Sunday
Sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Plains MT
 47.47°N 114.87°W (Elev. 2933 ft)
12:21 am MDT Aug 18, 2026
1am MDT Aug 18, 2026-6pm MDT Aug 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database