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

Dillon, Dillon Airport (KDLN)

Lat: 45.2575°NLon: 112.55444°WElev: 5239.0ft.

Clear

69°F

21°C

Humidity 31%
Wind Speed N 0 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 19 Aug 09:53 PM MDT
Extended Forecast for

6 Miles NNW Dillon MT

  • Tonight

    Tonight: Mostly clear, with a low around 50. West northwest wind around 6 mph becoming light and variable  after midnight.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87. Calm wind becoming west around 6 mph in the afternoon.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54. North northeast wind around 5 mph becoming light and variable  after midnight.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 88. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 88 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers before midnight.  Mostly cloudy, with a low around 55. East wind around 6 mph becoming light and variable  after midnight.

    Low: 55 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms after noon.  Mostly cloudy, with a high near 83. South wind 3 to 8 mph.

    High: 83 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 51. Southwest wind 3 to 8 mph.

    Low: 51 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 82. South southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 50. West northwest wind around 6 mph becoming light and variable after midnight.
Thursday
Sunny, with a high near 87. Calm wind becoming west around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 54. North northeast wind around 5 mph becoming light and variable after midnight.
Friday
Mostly sunny, with a high near 88. Calm wind becoming east northeast around 5 mph in the afternoon.
Friday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 55. East wind around 6 mph becoming light and variable after midnight.
Saturday
A 50 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 83. South wind 3 to 8 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 51. Southwest wind 3 to 8 mph.
Sunday
Mostly sunny, with a high near 82. South southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.
Sunday Night
Mostly clear, with a low around 47.
Monday
A slight chance of showers after noon. Mostly sunny, with a high near 81.
Monday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 49.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 49.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 82.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Dillon MT
 45.31°N 112.67°W (Elev. 5200 ft)
8:12 pm MDT Aug 19, 2026
10pm MDT Aug 19, 2026-6pm MDT Aug 26, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database