National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

PLAINS (PLAM8)

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

NA

45°F

7°C

Humidity 64%
Wind Speed ENE 2 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 06 Oct 09:26 PM MDT
Extended Forecast for

Plains MT

  • Tonight

    Tonight: Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Clear
    then Frost

  • Tuesday

    Tuesday: Patchy fog before 9am. Widespread frost before 9am. Otherwise, sunny, with a high near 74. Calm wind.

    High: 74 °F

    Frost and
    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Clear

  • Wednesday

    Wednesday: Areas of frost before 8am. Otherwise, sunny, with a high near 76. Calm wind becoming south around 5 mph in the afternoon.

    High: 76 °F

    Areas Frost
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: A slight chance of rain after noon. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 77.

    High: 77 °F

    Patchy Fog
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: Rain likely, mainly after midnight. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Rain Likely

Detailed Forecast

Tonight
Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 33. Calm wind.
Tuesday
Patchy fog before 9am. Widespread frost before 9am. Otherwise, sunny, with a high near 74. Calm wind.
Tuesday Night
Mostly clear, with a low around 36. Calm wind.
Wednesday
Areas of frost before 8am. Otherwise, sunny, with a high near 76. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 37. Calm wind.
Thursday
Sunny, with a high near 73.
Thursday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 37.
Friday
A slight chance of rain after noon. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 77.
Friday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 41.
Saturday
Rain likely. Mostly cloudy, with a high near 63.
Saturday Night
Rain. Mostly cloudy, with a low around 36.
Sunday
Rain likely. Mostly cloudy, with a high near 53.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 31.
Columbus Day
A chance of rain. Partly sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Plains MT
 47.47°N 114.87°W (Elev. 2932 ft)
Last Update:
2:31 pm MDT Oct 6, 2025
Forecast Valid:
10pm MDT Oct 6, 2025-6pm MDT Oct 13, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation