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

Georgetown Lake (MTGTL)

Lat: 46.191°NLon: 113.3°WElev: 6338.0ft.

unknown precip

50°F

10°C

Humidity 76%
Wind Speed ESE 2 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 19 Sep 05:00 PM MDT
Extended Forecast for

2 Miles WSW Georgetown MT

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, partly cloudy, with a low around 37. Light east southeast wind.

    Low: 37 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, sunny, with a high near 62. Calm wind becoming north northwest around 5 mph.

    High: 62 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39. Light and variable wind.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 66. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. Light and variable wind.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 37. Light east southeast wind.
Sunday
Patchy fog before 9am. Otherwise, sunny, with a high near 62. Calm wind becoming north northwest around 5 mph.
Sunday Night
Mostly clear, with a low around 39. Light and variable wind.
Monday
Sunny, with a high near 66. Calm wind becoming west northwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 42. Light and variable wind.
Tuesday
Sunny, with a high near 67.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 67.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 40.
Saturday
A slight chance of rain. Partly sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Georgetown MT
 46.19°N 113.3°W (Elev. 6339 ft)
Last Update:
2:01 pm MDT Sep 19, 2026
Forecast Valid:
5pm MDT Sep 19, 2026-6pm MDT Sep 26, 2026
 
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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