Severe Storms & Heavy Rainfall Possible in the Plains; Critical Fire Weather Conditions for Parts of the West

Scattered severe thunderstorms and locally heavy rainfall are possible across portions of the Plains today. Meanwhile, dry weather and gusty winds will result in critical fire weather conditions across the Great Basin and northern Rockies. Elsewhere, tropical storm Dorian in the Atlantic is expected to slowly strengthen and will likely approach the Lesser Antilles by Tuesday. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

Lat: 47.04917°NLon: 109.46639°WElev: 4167ft.

Fair

12°C

54°F

Humidity 67%
Wind Speed SW 8 MPH
Barometer 29.93 in
Dewpoint 6°C (43°F)
Visibility 16 km
Last update 25 Aug 7:20 am MDT
Extended Forecast for

Lewistown MT

  • Today

    Today: A slight chance of showers between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm.  Increasing clouds, with a high near 23. West northwest wind 10 to 15 km/h increasing to 19 to 24 km/h in the afternoon. Winds could gust as high as 39 km/h.  Chance of precipitation is 50%.

    Sunny then
    Chance
    Showers

    High: 23 °C

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms before 10pm.  Partly cloudy, with a low around 7. West wind 19 to 24 km/h decreasing to 8 to 13 km/h after midnight. Winds could gust as high as 42 km/h.

    Chance
    Showers then
    Partly Cloudy

    Low: 7 °C

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 4pm.  Sunny, with a high near 18. West wind 8 to 13 km/h becoming northwest 19 to 24 km/h in the afternoon. Winds could gust as high as 42 km/h.  Chance of precipitation is 30%.

    Chance
    Showers

    High: 18 °C

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am.  Partly cloudy, with a low around 4. Northwest wind 19 to 24 km/h decreasing to 11 to 16 km/h after midnight. Winds could gust as high as 42 km/h.  Chance of precipitation is 30%.

    Chance
    Showers

    Low: 4 °C

  • Tuesday

    Tuesday: Sunny, with a high near 20. West wind 10 to 16 km/h, with gusts as high as 29 km/h.

    Sunny

    High: 20 °C

  • Tuesday
    Night

    Tuesday Night: Clear, with a low around 6.

    Clear

    Low: 6 °C

  • Wednesday

    Wednesday: Sunny, with a high near 26.

    Sunny

    High: 26 °C

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 7.

    Mostly Clear

    Low: 7 °C

  • Thursday

    Thursday: Sunny, with a high near 22.

    Sunny

    High: 22 °C

Detailed Forecast

Today
A slight chance of showers between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 23. West northwest wind 10 to 15 km/h increasing to 19 to 24 km/h in the afternoon. Winds could gust as high as 39 km/h. Chance of precipitation is 50%.
Tonight
A 50 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 7. West wind 19 to 24 km/h decreasing to 8 to 13 km/h after midnight. Winds could gust as high as 42 km/h.
Monday
A chance of showers, with thunderstorms also possible after 4pm. Sunny, with a high near 18. West wind 8 to 13 km/h becoming northwest 19 to 24 km/h in the afternoon. Winds could gust as high as 42 km/h. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Partly cloudy, with a low around 4. Northwest wind 19 to 24 km/h decreasing to 11 to 16 km/h after midnight. Winds could gust as high as 42 km/h. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 20. West wind 10 to 16 km/h, with gusts as high as 29 km/h.
Tuesday Night
Clear, with a low around 6.
Wednesday
Sunny, with a high near 26.
Wednesday Night
Mostly clear, with a low around 7.
Thursday
Sunny, with a high near 22.
Thursday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 8.
Friday
A slight chance of rain. Mostly sunny, with a high near 23.
Friday Night
Partly cloudy, with a low around 9.
Saturday
Sunny, with a high near 26.
Click Map For Forecast
Point Forecast:
Lewistown MT
 47.07°N 109.43°W (Elev. 1188 m)
3:13 am MDT Aug 25, 2019
8am MDT Aug 25, 2019-6pm MDT Aug 31, 2019
 
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