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

Major Winter Storm Ongoing in the Upper Midwest; Severe Weather Tonight from the Mid-South to the Ohio Valley

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through Monday across the Upper Midwest and Upper Great Lakes. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-South to the Ohio Valley and the Southeast through tonight, moving into the Mid-Atlantic Monday. Read More >

Hazardous Weather Conditions

Current conditions at

Georgetown Lake (MTGTL)

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

NA

23°F

-5°C

Humidity 52%
Wind Speed SW 10 MPH
Barometer NA
Dewpoint 8°F (-13°C)
Visibility NA
Wind Chill13°F (-11°C)
Last update 15 Mar 06:16 PM MDT
Extended Forecast for

21 Miles SW Georgetown MT

Winter Weather Advisory March 15, 09:00pm until March 16, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Snow likely, mainly after 3am. The snow could be heavy at times. Increasing clouds, with a low around 16. West wind 3 to 6 mph. Winds could gust as high as 20 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of 3 to 5 inches possible.

    Low: 16 °F

    Heavy Snow

  • Monday

    Monday: Snow likely before 4pm, then rain and snow likely. The snow could be heavy at times. Cloudy, with a high near 35. West wind 6 to 11 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

    High: 35 °F

    Heavy Snow
    then
    Rain/Snow
    Likely

  • Monday Night

    Monday Night: A chance of rain and snow before midnight. Mostly cloudy, with a low around 31. West southwest wind around 11 mph, with gusts as high as 29 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: A slight chance of snow after noon, mixing with rain after 3pm. Partly sunny, with a high near 42. West southwest wind 11 to 14 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.

    High: 42 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow before midnight. Mostly cloudy, with a low around 33. West southwest wind around 10 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Tonight
Snow likely, mainly after 3am. The snow could be heavy at times. Increasing clouds, with a low around 16. West wind 3 to 6 mph. Winds could gust as high as 20 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of 3 to 5 inches possible.
Monday
Snow likely before 4pm, then rain and snow likely. The snow could be heavy at times. Cloudy, with a high near 35. West wind 6 to 11 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.
Monday Night
A chance of rain and snow before midnight. Mostly cloudy, with a low around 31. West southwest wind around 11 mph, with gusts as high as 29 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Tuesday
A slight chance of snow after noon, mixing with rain after 3pm. Partly sunny, with a high near 42. West southwest wind 11 to 14 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of rain and snow before midnight. Mostly cloudy, with a low around 33. West southwest wind around 10 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 47.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 52.
Thursday Night
Partly cloudy, with a low around 36.
Friday
A slight chance of rain after noon. Mostly sunny, with a high near 52.
Friday Night
A chance of rain. Partly cloudy, with a low around 34.
Saturday
A chance of rain and snow. Partly sunny, with a high near 49.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
A slight chance of snow. Partly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
21 Miles SW Georgetown MT
 45.96°N 113.53°W (Elev. 7598 ft)
Last Update:
2:01 pm MDT Mar 15, 2026
Forecast Valid:
6pm MDT Mar 15, 2026-6pm MDT Mar 22, 2026
 
Forecast Discussion
 
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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