National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rainfall in the Southwest and Southeast This Weekend; Monitoring Tropical Cyclone Formation Which Could Impact the Southeast U.S.

Heavy rainfall from monsoon thunderstorms may bring isolated flash and urban flooding to the Desert Southwest. A near-stationary front will bring numerous showers and thunderstorms to much of the Mid-Atlantic and Southeast. Tropical wave (AL94) is likely to become a depression. Significant uncertainty remains in the track and intensity, but chances for impacts to the Southeast are increasing. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Clear

50°F

10°C

Humidity 43%
Wind Speed S 8 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 26 Sep 09:25 PM MDT
Extended Forecast for

Moore MT

  • Tonight

    Tonight: Patchy smoke before 5am. Mostly clear, with a low around 45. South wind 8 to 10 mph.

    Low: 45 °F

    Patchy Smoke

  • Saturday

    Saturday: Patchy smoke after 10am. Sunny, with a high near 80. South wind 6 to 9 mph.

    High: 80 °F

    Patchy Smoke

  • Saturday Night

    Saturday Night: Patchy smoke. Clear, with a low around 49. South wind 6 to 10 mph.

    Low: 49 °F

    Patchy Smoke

  • Sunday

    Sunday: Patchy smoke before 7am. Sunny, with a high near 81. South wind around 7 mph becoming north in the afternoon.

    High: 81 °F

    Patchy Smoke
    then Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 51. East northeast wind around 9 mph becoming south after midnight.

    Low: 51 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 82. South wind around 9 mph, with gusts as high as 18 mph.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 52. South southeast wind 7 to 9 mph.

    Low: 52 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers after noon. Partly sunny, with a high near 75. South southwest wind around 8 mph.

    High: 75 °F

    Partly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance
    Showers

Detailed Forecast

Tonight
Patchy smoke before 5am. Mostly clear, with a low around 45. South wind 8 to 10 mph.
Saturday
Patchy smoke after 10am. Sunny, with a high near 80. South wind 6 to 9 mph.
Saturday Night
Patchy smoke. Clear, with a low around 49. South wind 6 to 10 mph.
Sunday
Patchy smoke before 7am. Sunny, with a high near 81. South wind around 7 mph becoming north in the afternoon.
Sunday Night
Partly cloudy, with a low around 51. East northeast wind around 9 mph becoming south after midnight.
Monday
Mostly sunny, with a high near 82. South wind around 9 mph, with gusts as high as 18 mph.
Monday Night
A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 52. South southeast wind 7 to 9 mph.
Tuesday
A chance of showers after noon. Partly sunny, with a high near 75. South southwest wind around 8 mph.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 47.
Wednesday
A chance of showers, mainly after noon. Mostly sunny, with a high near 71.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 43.
Thursday
A slight chance of rain. Mostly sunny, with a high near 66.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 40.
Friday
A slight chance of rain. Mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Moore MT
 46.98°N 109.69°W (Elev. 4098 ft)
Last Update:
6:43 pm MDT Sep 26, 2025
Forecast Valid:
9pm MDT Sep 26, 2025-6pm MDT Oct 3, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation