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

Lewistown, Lewistown Municipal Airport (KLWT)

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

Mostly Cloudy

6°C

43°F

Humidity 86%
Wind Speed SE 3 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 4°C (39°F)
Visibility 16 km
Last update 19 Jun 12:15 AM MDT
Extended Forecast for

Lewistown MT

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms before 1am. Patchy fog after 3am. Otherwise, partly cloudy, with a low around 2. South southeast wind 8 to 10 km/h.

    Low: 2 °C

    Chance
    Showers and
    Patchy Fog

  • Juneteenth

    Juneteenth: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 19. South southeast wind 5 to 8 km/h becoming calm.

    High: 19 °C

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 5. North northeast wind 5 to 11 km/h becoming southeast after midnight.

    Low: 5 °C

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 23. East wind 5 to 10 km/h increasing to 13 to 18 km/h in the afternoon. Winds could gust as high as 34 km/h.

    High: 23 °C

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 9. East wind 8 to 16 km/h, with gusts as high as 32 km/h.

    Low: 9 °C

    Chance
    T-storms

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 20. Light east southeast wind becoming east 6 to 11 km/h in the morning. Chance of precipitation is 90%.

    High: 20 °C

    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 8. North wind around 11 km/h becoming southwest after midnight. Chance of precipitation is 60%.

    Low: 8 °C

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers. Mostly sunny, with a high near 24. Southwest wind 10 to 16 km/h becoming northwest in the afternoon. Winds could gust as high as 34 km/h.

    High: 24 °C

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 11.

    Low: 11 °C

    Partly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms before 1am. Patchy fog after 3am. Otherwise, partly cloudy, with a low around 2. South southeast wind 8 to 10 km/h.
Juneteenth
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 19. South southeast wind 5 to 8 km/h becoming calm.
Wednesday Night
Mostly clear, with a low around 5. North northeast wind 5 to 11 km/h becoming southeast after midnight.
Thursday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 23. East wind 5 to 10 km/h increasing to 13 to 18 km/h in the afternoon. Winds could gust as high as 34 km/h.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 9. East wind 8 to 16 km/h, with gusts as high as 32 km/h.
Friday
Showers and possibly a thunderstorm. High near 20. Light east southeast wind becoming east 6 to 11 km/h in the morning. Chance of precipitation is 90%.
Friday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 8. North wind around 11 km/h becoming southwest after midnight. Chance of precipitation is 60%.
Saturday
A slight chance of showers. Mostly sunny, with a high near 24. Southwest wind 10 to 16 km/h becoming northwest in the afternoon. Winds could gust as high as 34 km/h.
Saturday Night
Partly cloudy, with a low around 11.
Sunday
Sunny, with a high near 30.
Sunday Night
Mostly clear, with a low around 11.
Monday
Sunny, with a high near 26.
Monday Night
Mostly clear, with a low around 8.
Tuesday
Sunny, with a high near 24.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewistown MT
 47.07°N 109.43°W (Elev. 3898 m)
Last Update:
10:02 pm MDT Jun 18, 2024
Forecast Valid:
12am MDT Jun 19, 2024-6pm MDT Jun 25, 2024
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation