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

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Current conditions at

Georgetown Lake (MTGTL)

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

NA

57°F

14°C

Humidity 33%
Wind Speed SSW 14 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 17 Oct 04:15 PM MDT
Extended Forecast for

8 Miles SW Georgetown MT

  • Tonight

    Tonight: Partly cloudy, with a low around 32. West southwest wind 5 to 8 mph becoming calm in the evening.

    Low: 32 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 57. Calm wind becoming west southwest around 5 mph.

    High: 57 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 33. Calm wind becoming south around 6 mph after midnight.

    Low: 33 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 61. South wind 5 to 8 mph.

    High: 61 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35. Calm wind becoming south southeast 5 to 7 mph.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 32. West southwest wind 5 to 8 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 57. Calm wind becoming west southwest around 5 mph.
Sunday Night
Partly cloudy, with a low around 33. Calm wind becoming south around 6 mph after midnight.
Monday
Mostly sunny, with a high near 61. South wind 5 to 8 mph.
Monday Night
Partly cloudy, with a low around 35. Calm wind becoming south southeast 5 to 7 mph.
Tuesday
Mostly sunny, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 33.
Wednesday
Sunny, with a high near 60.
Wednesday Night
Partly cloudy, with a low around 35.
Thursday
A chance of rain after noon. Mostly sunny, with a high near 59.
Thursday Night
Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 34.
Friday
Rain and snow likely. Mostly cloudy, with a high near 44.
Friday Night
A chance of rain and snow. Snow level 7500 feet lowering to 6200 feet after midnight . Mostly cloudy, with a low around 26.
Saturday
A slight chance of rain and snow. Partly sunny, with a high near 41.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SW Georgetown MT
 46.14°N 113.38°W (Elev. 6234 ft)
Last Update:
2:01 pm MDT Oct 17, 2026
Forecast Valid:
4pm MDT Oct 17, 2026-6pm MDT Oct 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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Chance of Precipitation