Severe Weather in the Central U.S.; Heavy Rain in the Ohio Valley and Mid-Atlantic

Scattered severe thunderstorms capable of producing severe gusts, large hail, and perhaps a couple tornadoes are forecast from the north-central High Plains into the Upper Mississippi Valley. Widespread thunderstorms may produce excessive rainfall across portions of the Ohio Valley and Mid-Atlantic. Hot conditions and Critical Fire Weather looms over the Great Basin and Southwest through midweek. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Clear

55°F

13°C

Humidity 86%
Wind Speed SW 5 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 16 Jun 06:54 AM MDT
Extended Forecast for

2 Miles N Lewistown MT

  • Today

    Today: A chance of showers before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm.  Mostly cloudy, with a high near 72. Calm wind becoming east southeast around 5 mph in the afternoon.  Chance of precipitation is 60%.

    High: 72 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 7pm and 8pm.  Mostly cloudy, with a low around 47. South southeast wind around 6 mph becoming calm  in the evening.

    Low: 47 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Partly sunny, with a high near 74. Calm wind becoming west northwest around 5 mph in the afternoon.  Chance of precipitation is 40%.

    High: 74 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before midnight.  Mostly clear, with a low around 49. South wind around 6 mph.

    Low: 49 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77. Southwest wind 5 to 7 mph becoming west northwest in the afternoon.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49. West northwest wind around 6 mph becoming south southeast in the evening.

    Low: 49 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 79. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 51. Southeast wind 3 to 7 mph.

    Low: 51 °F

    Chance
    Showers

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Partly sunny, with a high near 77.

    High: 77 °F

    Slight Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
A chance of showers before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 72. Calm wind becoming east southeast around 5 mph in the afternoon. Chance of precipitation is 60%.
Tonight
A 30 percent chance of showers and thunderstorms, mainly between 7pm and 8pm. Mostly cloudy, with a low around 47. South southeast wind around 6 mph becoming calm in the evening.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 74. Calm wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 40%.
Tuesday Night
A 20 percent chance of showers before midnight. Mostly clear, with a low around 49. South wind around 6 mph.
Wednesday
Sunny, with a high near 77. Southwest wind 5 to 7 mph becoming west northwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 49. West northwest wind around 6 mph becoming south southeast in the evening.
Juneteenth
Sunny, with a high near 79. Calm wind becoming northwest around 5 mph in the afternoon.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Southeast wind 3 to 7 mph.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 77.
Friday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 49.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 69.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 39.
Sunday
Showers likely. Mostly cloudy, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Lewistown MT
 47.09°N 109.43°W (Elev. 3901 ft)
3:30 am MDT Jun 16, 2025
7am MDT Jun 16, 2025-6pm MDT Jun 22, 2025
 
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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