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

Lewistown, Lewistown Municipal Airport (KLWT)

Lat: 47.04917°NLon: 109.46639°WElev: 4167.0ft.

Clear

N/A

Humidity 59%
Wind Speed N 0 MPH
Barometer NA
Dewpoint N/A
Visibility 10.00 mi
Last update 30 Jul 04:50 AM MDT
Extended Forecast for

Moore MT

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 79. Light and variable wind becoming west northwest 5 to 8 mph in the morning. Winds could gust as high as 20 mph.

    High: 79 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers before 11pm.  Partly cloudy, with a low around 51. West wind 7 to 9 mph becoming south in the evening.

    Low: 51 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: Patchy smoke after 1pm. Sunny, with a high near 83. South southwest wind around 9 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 83 °F

    Sunny then
    Patchy Smoke

  • Wednesday Night

    Wednesday Night: Patchy smoke before 7pm. Mostly clear, with a low around 52. North northwest wind 5 to 7 mph becoming light and variable.

    Low: 52 °F

    Patchy Smoke
    then Partly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 85. South wind 5 to 8 mph becoming north northwest in the afternoon.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52. North wind 5 to 9 mph becoming light and variable  after midnight.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86. East southeast wind 3 to 7 mph.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57. East wind 8 to 11 mph becoming south southeast after midnight. Winds could gust as high as 18 mph.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms after noon.  Partly sunny, with a high near 88.

    High: 88 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 79. Light and variable wind becoming west northwest 5 to 8 mph in the morning. Winds could gust as high as 20 mph.
Tonight
A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 51. West wind 7 to 9 mph becoming south in the evening.
Wednesday
Patchy smoke after 1pm. Sunny, with a high near 83. South southwest wind around 9 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Patchy smoke before 7pm. Mostly clear, with a low around 52. North northwest wind 5 to 7 mph becoming light and variable.
Thursday
Sunny, with a high near 85. South wind 5 to 8 mph becoming north northwest in the afternoon.
Thursday Night
Mostly clear, with a low around 52. North wind 5 to 9 mph becoming light and variable after midnight.
Friday
Sunny, with a high near 86. East southeast wind 3 to 7 mph.
Friday Night
Partly cloudy, with a low around 57. East wind 8 to 11 mph becoming south southeast after midnight. Winds could gust as high as 18 mph.
Saturday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 88.
Saturday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 54.
Sunday
A slight chance of showers. Mostly sunny, with a high near 83.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 51.
Monday
Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Moore MT
 46.98°N 109.69°W (Elev. 4098 ft)
3:21 am MDT Aug 18, 2026
4am MDT Aug 18, 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