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

50°F

10°C

Humidity 35%
Wind Speed E 1 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Last update 17 Oct 10:15 AM MDT
Extended Forecast for

16 Miles SW Georgetown MT

  • Today

    Today: Mostly sunny, with a high near 49. Southwest wind 10 to 17 mph, with gusts as high as 31 mph.

    High: 49 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. West southwest wind 3 to 8 mph. Winds could gust as high as 23 mph.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 46. Southwest wind 3 to 6 mph.

    High: 46 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35. Light south wind becoming south southeast 6 to 11 mph in the evening. Winds could gust as high as 18 mph.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 48. South southeast wind 9 to 11 mph, with gusts as high as 23 mph.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain, mixing with snow after 9pm, then gradually ending. Snow level 9100 feet. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 49. Southwest wind 10 to 17 mph, with gusts as high as 31 mph.
Tonight
Mostly cloudy, with a low around 32. West southwest wind 3 to 8 mph. Winds could gust as high as 23 mph.
Sunday
Mostly sunny, with a high near 46. Southwest wind 3 to 6 mph.
Sunday Night
Mostly clear, with a low around 35. Light south wind becoming south southeast 6 to 11 mph in the evening. Winds could gust as high as 18 mph.
Monday
Mostly sunny, with a high near 48. South southeast wind 9 to 11 mph, with gusts as high as 23 mph.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
Partly sunny, with a high near 46.
Tuesday Night
A slight chance of rain, mixing with snow after 9pm, then gradually ending. Snow level 9100 feet. Mostly cloudy, with a low around 33.
Wednesday
Mostly sunny, with a high near 46.
Wednesday Night
Partly cloudy, with a low around 35.
Thursday
A chance of rain and snow. Snow level 9300 feet. Partly sunny, with a high near 43.
Thursday Night
Rain and snow likely. Snow level 9500 feet lowering to 8600 feet after midnight . Mostly cloudy, with a low around 29.
Friday
Snow likely. Mostly cloudy, with a high near 29.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles SW Georgetown MT
 46.01°N 113.45°W (Elev. 8599 ft)
Last Update:
2:01 am MDT Oct 17, 2026
Forecast Valid:
11am MDT Oct 17, 2026-6pm MDT Oct 23, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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