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

Heavy Rainfall for Portions of the West and Central U.S.; Monitoring Fire Weather Conditions for New England

Tropical moisture continues to flow across portions of the Great Basin, desert Southwest and California. Isolated instances of flash flooding remains possible. Meanwhile, a storm and associated frontal boundary will focus showers and thunderstorms for the center of the nation. For New England, dry and breezy conditions could enhance favorable fire weather conditions. Read More >

Current conditions at

Georgetown Lake (MTGTL)

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

NA

45°F

7°C

Humidity 60%
Wind Speed ENE 2 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 20 Sep 01:15 AM MDT
Extended Forecast for

19 Miles W Georgetown MT

  • Overnight

    Overnight: Mostly clear, with a low around 49. Southwest wind around 6 mph.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 64. West southwest wind 5 to 10 mph, with gusts as high as 24 mph.

    High: 64 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 48. West wind 9 to 13 mph becoming south southwest after midnight. Winds could gust as high as 23 mph.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of rain between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 57. West wind 14 to 16 mph, with gusts as high as 36 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 57 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 37. West wind 9 to 16 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Rain Likely
    then Chance
    Rain

  • Monday

    Monday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 43.

    Low: 43 °F

    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 49. Southwest wind around 6 mph.
Saturday
Sunny, with a high near 64. West southwest wind 5 to 10 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 48. West wind 9 to 13 mph becoming south southwest after midnight. Winds could gust as high as 23 mph.
Sunday
A chance of rain between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 57. West wind 14 to 16 mph, with gusts as high as 36 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 37. West wind 9 to 16 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Mostly sunny, with a high near 47.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Sunny, with a high near 59.
Tuesday Night
Clear, with a low around 43.
Wednesday
Sunny, with a high near 63.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
A slight chance of rain. Mostly sunny, with a high near 59.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 42.
Friday
A slight chance of rain. Mostly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
19 Miles W Georgetown MT
 46.2°N 113.64°W (Elev. 8341 ft)
Last Update:
2:46 pm MDT Sep 19, 2025
Forecast Valid:
1am MDT Sep 20, 2025-6pm MDT Sep 26, 2025
 
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Additional Resources

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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