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

Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Current conditions at

Georgetown Lake (MTGTL)

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

NA

49°F

9°C

Humidity 59%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 17 Jun 11:15 PM MDT
Extended Forecast for

2 Miles ESE Georgetown MT

  • Tonight

    Tonight: Mostly clear, with a low around 36. West wind 5 to 8 mph.

    Low: 36 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 64. Light west wind becoming west northwest 9 to 14 mph in the morning. Winds could gust as high as 20 mph.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 37. Northwest wind 8 to 13 mph becoming light and variable. Winds could gust as high as 20 mph.

    Low: 37 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 72. Light and variable wind becoming west northwest 5 to 9 mph in the afternoon.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45. Northwest wind 6 to 11 mph becoming light and variable after midnight.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of rain before noon, then a slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 67. Chance of precipitation is 20%.

    High: 67 °F

    Slight Chance
    Rain then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Sunday Night

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

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 36. West wind 5 to 8 mph.
Thursday
Sunny, with a high near 64. Light west wind becoming west northwest 9 to 14 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 37. Northwest wind 8 to 13 mph becoming light and variable. Winds could gust as high as 20 mph.
Juneteenth
Mostly sunny, with a high near 72. Light and variable wind becoming west northwest 5 to 9 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 45. Northwest wind 6 to 11 mph becoming light and variable after midnight.
Saturday
A slight chance of rain before noon, then a slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 67. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Sunny, with a high near 64.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Sunny, with a high near 66.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Georgetown MT
 46.18°N 113.2°W (Elev. 7402 ft)
Last Update:
2:01 pm MDT Jun 17, 2026
Forecast Valid:
11pm MDT Jun 17, 2026-6pm MDT Jun 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation