Remnants of Arthur and Heavy Rainfall Across the South; Fire Weather Threat in the West

Life-threatening, potentially catastrophic flash flooding expected along the central Gulf Coast as the remnants of Arthur track across the area. Isolated brief tornadoes and damaging gusts remain possible overnight in the Southeast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts of the West Friday. Read More >

Current conditions at

Georgetown Lake (MTGTL)

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

NA

52°F

11°C

Humidity 58%
Wind Speed ENE 5 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 18 Jun 11:00 PM MDT
Extended Forecast for

21 Miles SW Georgetown MT

  • Tonight

    Tonight: Mostly clear, with a low around 36. Light and variable wind becoming east southeast around 6 mph after midnight.

    Low: 36 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 61. East southeast wind 5 to 7 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 61 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Cloudy, then gradually becoming partly cloudy, with a low around 45. Northwest wind around 6 mph becoming calm  in the evening. Winds could gust as high as 18 mph.

    Low: 45 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 58. Light west southwest wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 21 mph.

    High: 58 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before midnight.  Partly cloudy, with a low around 39. West northwest wind 5 to 10 mph becoming light west  after midnight. Winds could gust as high as 25 mph.

    Low: 39 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Monday Night

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

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 36. Light and variable wind becoming east southeast around 6 mph after midnight.
Juneteenth
Mostly sunny, with a high near 61. East southeast wind 5 to 7 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Cloudy, then gradually becoming partly cloudy, with a low around 45. Northwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Saturday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 58. Light west southwest wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 21 mph.
Saturday Night
A 30 percent chance of showers before midnight. Partly cloudy, with a low around 39. West northwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 25 mph.
Sunday
Sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 36.
Monday
Sunny, with a high near 56.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Sunny, with a high near 63.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles SW Georgetown MT
 45.96°N 113.5°W (Elev. 8360 ft)
2:00 pm MDT Jun 18, 2026
11pm MDT Jun 18, 2026-6pm MDT Jun 25, 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