Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Georgetown Lake (MTGTL)

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

NA

65°F

18°C

Humidity 46%
Wind Speed S 0 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 17 Aug 08:45 PM MDT
Extended Forecast for

9 Miles S Georgetown MT

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 48. Northwest wind 6 to 8 mph becoming west southwest after midnight.

    Low: 48 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 58. West northwest wind 8 to 13 mph, with gusts as high as 23 mph.

    High: 58 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before midnight.  Partly cloudy, with a low around 45. West southwest wind 8 to 10 mph, with gusts as high as 23 mph.

    Low: 45 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 61. West southwest wind 9 to 13 mph, with gusts as high as 21 mph.

    High: 61 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48. West southwest wind 5 to 11 mph, with gusts as high as 21 mph.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 48. Northwest wind 6 to 8 mph becoming west southwest after midnight.
Tuesday
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 58. West northwest wind 8 to 13 mph, with gusts as high as 23 mph.
Tuesday Night
A 20 percent chance of rain before midnight. Partly cloudy, with a low around 45. West southwest wind 8 to 10 mph, with gusts as high as 23 mph.
Wednesday
Sunny, with a high near 61. West southwest wind 9 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 48. West southwest wind 5 to 11 mph, with gusts as high as 21 mph.
Thursday
Sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 52.
Friday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67.
Friday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 52.
Saturday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 62.
Saturday Night
A chance of rain and thunderstorms. Partly cloudy, with a low around 47.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 58.
Sunday Night
Mostly clear, with a low around 45.
Monday
Sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles S Georgetown MT
 46.07°N 113.24°W (Elev. 9400 ft)
2:01 pm MDT Aug 17, 2026
9pm MDT Aug 17, 2026-6pm MDT Aug 24, 2026
 
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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