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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

PLAINS (PLAM8)

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

NA

71°F

22°C

Humidity 49%
Wind Speed WSW 2 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 20 Sep 12:26 PM MDT
Extended Forecast for

10 Miles E Plains MT

  • This Afternoon

    This Afternoon: Sunny, with a high near 75. Calm wind becoming east northeast around 5 mph.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 49. East wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 77. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51. Light and variable wind becoming southwest around 5 mph.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 75. Calm wind becoming east northeast around 5 mph.
Tonight
Mostly clear, with a low around 49. East wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 77. Calm wind becoming east northeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 51. Light and variable wind becoming southwest around 5 mph.
Tuesday
Mostly sunny, with a high near 77. Calm wind becoming west northwest around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 53.
Friday
A chance of rain. Partly sunny, with a high near 67.
Friday Night
A chance of rain. Mostly cloudy, with a low around 46.
Saturday
A chance of rain. Partly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles E Plains MT
 47.42°N 114.67°W (Elev. 3507 ft)
Last Update:
12:21 pm MDT Sep 20, 2026
Forecast Valid:
12pm MDT Sep 20, 2026-6pm MDT Sep 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation