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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

45°F

7°C

Humidity 66%
Wind Speed ENE 2 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 18 Jun 12:46 AM MDT
Extended Forecast for

14 Miles SW Georgetown MT

  • Overnight

    Overnight: Mostly clear, with a low around 36. Light west wind.

    Low: 36 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 58. Light west wind becoming west northwest 5 to 10 mph in the morning. Winds could gust as high as 22 mph.

    High: 58 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 38. West northwest wind 5 to 9 mph becoming light and variable in the evening. Winds could gust as high as 22 mph.

    Low: 38 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Mostly cloudy, then gradually becoming sunny, with a high near 64. Southeast wind 5 to 7 mph becoming west in the afternoon. Winds could gust as high as 18 mph.

    High: 64 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48. West northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 18 mph.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of rain, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 59. Chance of precipitation is 30%.

    High: 59 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 36. Light west wind.
Thursday
Sunny, with a high near 58. Light west wind becoming west northwest 5 to 10 mph in the morning. Winds could gust as high as 22 mph.
Thursday Night
Mostly clear, with a low around 38. West northwest wind 5 to 9 mph becoming light and variable in the evening. Winds could gust as high as 22 mph.
Juneteenth
Mostly cloudy, then gradually becoming sunny, with a high near 64. Southeast wind 5 to 7 mph becoming west in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Partly cloudy, with a low around 48. West northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Saturday
A slight chance of rain, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 59. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 60.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Sunny, with a high near 65.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
14 Miles SW Georgetown MT
 46.03°N 113.42°W (Elev. 7969 ft)
Last Update:
12:21 am MDT Jun 18, 2026
Forecast Valid:
1am MDT Jun 18, 2026-6pm MDT Jun 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation