Severe Thunderstorm and Excessive Rainfall Threats in the Mid-South

Severe thunderstorms and excessive rainfall will remain likely tonight from parts of the mid Mississippi, Ohio, and Tennessee Valleys into the southern Plains before the severe weather threat shifts south on Thursday toward the Southern Plains and Southeast. Heavy mountain snow and and moderate lower elevation rain will gradually wane across the Northern Rockies. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Overcast

39°F

4°C

Humidity 93%
Wind Speed WSW 6 MPH
Barometer 30.4 in (1029.46 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 09 May 09:35 AM MDT
Extended Forecast for

Lewistown MT

  • Today

    Today: A 50 percent chance of rain, mainly before 5pm.  Partly sunny, with a high near 50. West northwest wind 7 to 10 mph.

    High: 50 °F

    Chance Rain

  • Tonight

    Tonight: Patchy fog after 9pm.  Otherwise, partly cloudy, with a low around 31. West northwest wind 5 to 8 mph becoming south after midnight.

    Low: 31 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 60. South wind 5 to 7 mph becoming west southwest in the morning.

    High: 60 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 37. South wind around 7 mph.

    Low: 37 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 70. South southwest wind 6 to 11 mph becoming west northwest in the afternoon.

    High: 70 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 43. Northwest wind 6 to 10 mph becoming south southwest after midnight.

    Low: 43 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 73. Southwest wind 7 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 73 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46. West northwest wind 8 to 11 mph becoming south southwest in the evening.

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
A 50 percent chance of rain, mainly before 5pm. Partly sunny, with a high near 50. West northwest wind 7 to 10 mph.
Tonight
Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 31. West northwest wind 5 to 8 mph becoming south after midnight.
Friday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 60. South wind 5 to 7 mph becoming west southwest in the morning.
Friday Night
Mostly clear, with a low around 37. South wind around 7 mph.
Saturday
Mostly sunny, with a high near 70. South southwest wind 6 to 11 mph becoming west northwest in the afternoon.
Saturday Night
Mostly clear, with a low around 43. Northwest wind 6 to 10 mph becoming south southwest after midnight.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73. Southwest wind 7 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 46. West northwest wind 8 to 11 mph becoming south southwest in the evening.
Monday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70.
Monday Night
A chance of rain. Mostly cloudy, with a low around 43.
Tuesday
Rain likely and possibly a thunderstorm. Partly sunny, with a high near 62.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 41.
Wednesday
A chance of rain and thunderstorms. Partly sunny, with a high near 63.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
Lewistown MT
 47.09°N 109.46°W (Elev. 3898 ft)
8:42 am MDT May 9, 2024
10am MDT May 9, 2024-6pm MDT May 15, 2024
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database