Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Georgetown Lake (MTGTL)

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

NA

73°F

23°C

Humidity 23%
Wind Speed W 5 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 19 Aug 07:30 PM MDT
Extended Forecast for

2 Miles E Georgetown MT

  • Tonight

    Tonight: Patchy smoke between 2am and 5am. Mostly clear, with a low around 43. West northwest wind around 6 mph becoming calm  in the evening.

    Low: 43 °F

    Partly Cloudy
    then Patchy
    Smoke

  • Thursday

    Thursday: Sunny, with a high near 79. Calm wind becoming west northwest 5 to 8 mph in the morning.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 82. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after midnight.  Mostly cloudy, with a low around 48. North northeast wind 5 to 7 mph becoming southeast after midnight.

    Low: 48 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A chance of rain, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 76. Chance of precipitation is 70%.

    High: 76 °F

    Chance Rain
    then Showers
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy smoke between 2am and 5am. Mostly clear, with a low around 43. West northwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 79. Calm wind becoming west northwest 5 to 8 mph in the morning.
Thursday Night
Partly cloudy, with a low around 48. Northwest wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 82. Calm wind becoming northwest around 6 mph in the afternoon.
Friday Night
A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 48. North northeast wind 5 to 7 mph becoming southeast after midnight.
Saturday
A chance of rain, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.
Saturday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 44.
Sunday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72.
Sunday Night
Mostly clear, with a low around 38.
Monday
Sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 74.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 42.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Georgetown MT
 46.2°N 113.21°W (Elev. 6604 ft)
2:01 pm MDT Aug 19, 2026
7pm MDT Aug 19, 2026-6pm MDT Aug 26, 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