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

46°F

8°C

Humidity 52%
Wind Speed NW 1 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 09 Apr 10:26 AM MDT
Extended Forecast for

Plains MT

  • Today

    Today: Sunny, with a high near 65. Calm wind.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 71. Calm wind.

    High: 71 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 43. Light east northeast wind.

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 68. Light and variable wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Chance Rain
    then Showers
    Likely

  • Saturday Night

    Saturday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

  • Sunday

    Sunday: A slight chance of rain, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 62. Chance of precipitation is 50%.

    High: 62 °F

    Slight Chance
    Rain then
    Chance
    Showers

  • Sunday Night

    Sunday Night: Rain likely. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Rain Likely

  • Monday

    Monday: Rain likely, mainly before noon. Mostly cloudy, with a high near 53.

    High: 53 °F

    Rain Likely

Detailed Forecast

Today
Sunny, with a high near 65. Calm wind.
Tonight
Mostly clear, with a low around 35. Calm wind.
Friday
Mostly sunny, with a high near 71. Calm wind.
Friday Night
Mostly cloudy, with a low around 43. Light east northeast wind.
Saturday
A chance of rain, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 68. Light and variable wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 43.
Sunday
A slight chance of rain, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 62. Chance of precipitation is 50%.
Sunday Night
Rain likely. Mostly cloudy, with a low around 41.
Monday
Rain likely, mainly before noon. Mostly cloudy, with a high near 53.
Monday Night
A slight chance of rain before midnight. Mostly cloudy, with a low around 39.
Tuesday
Mostly cloudy, with a high near 55.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 38.
Wednesday
A chance of rain. Mostly cloudy, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Plains MT
 47.47°N 114.87°W (Elev. 2933 ft)
Last Update:
2:01 am MDT Apr 9, 2026
Forecast Valid:
11am MDT Apr 9, 2026-6pm MDT Apr 15, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation