Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

HORSE THIEF (HORM8)

Lat: 46.42581°NLon: 108.6745°WElev: 3414.0ft.

NA

61°F

16°C

Humidity 69%
Wind Speed SSE 1 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 18 Aug 10:39 PM MDT
Extended Forecast for

3 Miles S Roundup MT

  • Tonight

    Tonight: A 20 percent chance of showers before midnight.  Partly cloudy, with a low around 55. Southwest wind 3 to 7 mph.

    Low: 55 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Patchy smoke between noon and 3pm. Sunny, with a high near 88. Southwest wind around 8 mph becoming north northwest in the afternoon.

    High: 88 °F

    Sunny then
    Patchy Smoke

  • Wednesday Night

    Wednesday Night: Patchy smoke before midnight. Partly cloudy, with a low around 56. North northwest wind around 5 mph becoming calm  in the evening.

    Low: 56 °F

    Patchy Smoke
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 93. South southwest wind 3 to 6 mph.

    High: 93 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59. North northwest wind 5 to 7 mph becoming light and variable  after midnight.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: Sunny and hot, with a high near 90. North northwest wind 5 to 9 mph becoming east northeast in the afternoon.

    High: 90 °F

    Hot

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 62. East wind 6 to 9 mph.

    Low: 62 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers before noon.  Mostly cloudy and hot, with a high near 90. Light and variable wind becoming south southwest 5 to 8 mph in the afternoon.

    High: 90 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 61. South wind 5 to 7 mph becoming light and variable.

    Low: 61 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 55. Southwest wind 3 to 7 mph.
Wednesday
Patchy smoke between noon and 3pm. Sunny, with a high near 88. Southwest wind around 8 mph becoming north northwest in the afternoon.
Wednesday Night
Patchy smoke before midnight. Partly cloudy, with a low around 56. North northwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny and hot, with a high near 93. South southwest wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 59. North northwest wind 5 to 7 mph becoming light and variable after midnight.
Friday
Sunny and hot, with a high near 90. North northwest wind 5 to 9 mph becoming east northeast in the afternoon.
Friday Night
Mostly cloudy, with a low around 62. East wind 6 to 9 mph.
Saturday
A 20 percent chance of showers before noon. Mostly cloudy and hot, with a high near 90. Light and variable wind becoming south southwest 5 to 8 mph in the afternoon.
Saturday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 61. South wind 5 to 7 mph becoming light and variable.
Sunday
Mostly sunny, with a high near 89. West southwest wind 5 to 9 mph.
Sunday Night
Partly cloudy, with a low around 58. North northwest wind 5 to 9 mph becoming calm after midnight.
Monday
Sunny, with a high near 87. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 58. Northeast wind around 6 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 89. Light and variable wind becoming east southeast 5 to 7 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Roundup MT
 46.41°N 108.55°W (Elev. 3399 ft)
5:08 pm MDT Aug 18, 2026
11pm MDT Aug 18, 2026-6pm MDT Aug 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