Severe Weather and Flooding in the Ohio Valley and Mid-Atlantic; Winter Storm in Alaska; Heavy Rains in Hawaii

Severe thunderstorms may produce a few tornadoes, scattered damaging winds, isolated severe hail, and flash flooding across the upper Ohio River Valley and parts of the Appalachians tonight. A strong storm in western Alaska continues to produce heavy snow, strong winds, and blizzard conditions into the mainland. Heavy showers and isolated thunderstorms may cause flash flooding in northern Hawaii. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Clear

37°F

3°C

Humidity NA
Wind Speed SE 5 MPH
Barometer 29.81 in (1009.48 mb)
Dewpoint N/A
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update NA
Extended Forecast for

Lewistown MT

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 5pm.  Mostly cloudy, then gradually becoming sunny, with a high near 69. South southeast wind 9 to 16 mph becoming west in the afternoon. Winds could gust as high as 24 mph.

    Partly Sunny
    then Slight
    Chance
    T-storms

    High: 69 °F

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 9pm, then a slight chance of rain between 9pm and midnight.  Partly cloudy, with a low around 41. West northwest wind 6 to 10 mph becoming south after midnight.  Chance of precipitation is 20%.

    Slight Chance
    T-storms then
    Partly Cloudy

    Low: 41 °F

  • Saturday

    Saturday: Sunny, with a high near 68. Southwest wind 6 to 11 mph becoming northwest in the afternoon.

    Sunny

    High: 68 °F

  • Saturday
    Night

    Saturday Night: A 20 percent chance of rain before midnight.  Partly cloudy, with a low around 42. Northwest wind 6 to 8 mph becoming south southeast after midnight.

    Slight Chance
    Rain then
    Partly Cloudy

    Low: 42 °F

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 71. South wind 6 to 9 mph becoming northwest in the afternoon.

    Sunny then
    Slight Chance
    T-storms

    High: 71 °F

  • Sunday
    Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 43. West wind 8 to 10 mph becoming south southwest in the evening.

    Chance
    Showers then
    Partly Cloudy

    Low: 43 °F

  • Monday

    Monday: A 30 percent chance of rain after noon.  Mostly sunny, with a high near 63. West southwest wind 9 to 17 mph, with gusts as high as 25 mph.

    Mostly Sunny
    then Chance
    Rain

    High: 63 °F

  • Monday
    Night

    Monday Night: A chance of rain before 3am, then a chance of rain and snow.  Mostly cloudy, with a low around 35. West northwest wind 14 to 17 mph, with gusts as high as 25 mph.

    Chance Rain
    then Chance
    Rain/Snow

    Low: 35 °F

  • Tuesday

    Tuesday: A chance of snow.  Partly sunny, with a high near 46. Breezy.

    Chance Snow
    and Breezy

    High: 46 °F

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 69. South southeast wind 9 to 16 mph becoming west in the afternoon. Winds could gust as high as 24 mph.
Tonight
A slight chance of showers and thunderstorms before 9pm, then a slight chance of rain between 9pm and midnight. Partly cloudy, with a low around 41. West northwest wind 6 to 10 mph becoming south after midnight. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 68. Southwest wind 6 to 11 mph becoming northwest in the afternoon.
Saturday Night
A 20 percent chance of rain before midnight. Partly cloudy, with a low around 42. Northwest wind 6 to 8 mph becoming south southeast after midnight.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 71. South wind 6 to 9 mph becoming northwest in the afternoon.
Sunday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 43. West wind 8 to 10 mph becoming south southwest in the evening.
Monday
A 30 percent chance of rain after noon. Mostly sunny, with a high near 63. West southwest wind 9 to 17 mph, with gusts as high as 25 mph.
Monday Night
A chance of rain before 3am, then a chance of rain and snow. Mostly cloudy, with a low around 35. West northwest wind 14 to 17 mph, with gusts as high as 25 mph.
Tuesday
A chance of snow. Partly sunny, with a high near 46. Breezy.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 25.
Wednesday
Snow likely. Mostly cloudy, with a high near 32. Breezy.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 19.
Thursday
A chance of snow. Mostly cloudy, with a high near 33.
Click Map For Forecast
Point Forecast:
Lewistown MT
 47.07°N 109.43°W (Elev. 3898 ft)
2:45 am MDT Apr 12, 2024
4am MDT Apr 12, 2024-6pm MDT Apr 18, 2024
 
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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