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

HORSE THIEF (HORM8)

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

NA

77°F

25°C

Humidity 33%
Wind Speed N 9 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Heat Index78°F (26°C)
Last update 17 Aug 06:39 PM MDT
Extended Forecast for

Lavina MT

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm.  Mostly cloudy, with a low around 55. Northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 55 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly between 4pm and 5pm.  Mostly sunny, with a high near 85. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 85 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers between 8pm and 9pm.  Mostly cloudy, with a low around 53. Northwest wind around 5 mph becoming light and variable.  Chance of precipitation is 20%.

    Low: 53 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny and hot, with a high near 90. West wind 7 to 11 mph.

    High: 90 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55. West northwest wind 5 to 10 mph becoming light and variable  after midnight.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 93. West wind 3 to 5 mph.

    High: 93 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. North wind 5 to 10 mph.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 89. Light and variable wind becoming east 5 to 9 mph in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after midnight.  Partly cloudy, with a low around 60. Northeast wind 5 to 10 mph.

    Low: 60 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 55. Northwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 85. Calm wind becoming west northwest around 6 mph in the afternoon.
Tuesday Night
A slight chance of showers between 8pm and 9pm. Mostly cloudy, with a low around 53. Northwest wind around 5 mph becoming light and variable. Chance of precipitation is 20%.
Wednesday
Sunny and hot, with a high near 90. West wind 7 to 11 mph.
Wednesday Night
Mostly clear, with a low around 55. West northwest wind 5 to 10 mph becoming light and variable after midnight.
Thursday
Sunny and hot, with a high near 93. West wind 3 to 5 mph.
Thursday Night
Partly cloudy, with a low around 57. North wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 89. Light and variable wind becoming east 5 to 9 mph in the afternoon.
Friday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 60. Northeast wind 5 to 10 mph.
Saturday
A 20 percent chance of showers. Partly sunny and hot, with a high near 90. Light and variable wind becoming south southeast 5 to 7 mph in the afternoon.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 59. South southeast wind 5 to 8 mph becoming west after midnight.
Sunday
Mostly sunny, with a high near 89. West southwest wind 5 to 7 mph.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 57. Northwest wind 5 to 9 mph becoming calm after midnight.
Monday
Sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Lavina MT
 46.3°N 108.94°W (Elev. 3494 ft)
4:21 pm MDT Aug 17, 2026
6pm 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