Severe Thunderstorms in the High Plains and Upper Midwest; Excessive Rainfall Along the Texas Coast; Dangerous Heat Wave From the Midwest to the Northeast

Strong to severe thunderstorms will continue through Monday evening in the northern Plains and shift to the central Plains and Upper Midwest Tuesday. Hail and damaging winds will be the main threats. A system in the Western Gulf Coast will bring multiple rounds of heavy rainfall to the Texas coast the next several days. A long duration heat wave will bring impacts to the Midwest and Northeast. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

light rain,mist

39°F

4°C

Humidity 92%
Wind Speed W 4 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 37°F (3°C)
Visibility 6.00 mi
Wind Chill36°F (2°C)
Last update 18 Jun 02:23 AM MDT
Extended Forecast for

Lewistown Municipal MT

  • Overnight

    Overnight: Showers.  Low around 34. West northwest wind around 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 34 °F

    Showers

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after noon.  High near 54. West northwest wind 7 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 54 °F

    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight.  Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 34. West wind around 7 mph becoming south in the evening.  Chance of precipitation is 40%.

    Low: 34 °F

    Chance
    T-storms then
    Patchy Fog

  • Juneteenth

    Juneteenth: A 40 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 64. South wind around 6 mph.

    High: 64 °F

    Sunny then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40. East southeast wind 5 to 7 mph.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 71. South southeast wind 6 to 10 mph becoming east in the afternoon. Winds could gust as high as 18 mph.

    High: 71 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Mostly cloudy, with a low around 46. East wind 6 to 9 mph.  Chance of precipitation is 30%.

    Low: 46 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 70. East wind 5 to 7 mph.

    High: 70 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Overnight
Showers. Low around 34. West northwest wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Showers, with thunderstorms also possible after noon. High near 54. West northwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 34. West wind around 7 mph becoming south in the evening. Chance of precipitation is 40%.
Juneteenth
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 64. South wind around 6 mph.
Wednesday Night
Partly cloudy, with a low around 40. East southeast wind 5 to 7 mph.
Thursday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 71. South southeast wind 6 to 10 mph becoming east in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 46. East wind 6 to 9 mph. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 70. East wind 5 to 7 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 46.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 84.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 52.
Monday
A slight chance of showers. Mostly sunny, with a high near 79.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
Lewistown Municipal MT
 47.04°N 109.49°W (Elev. 4183 ft)
9:49 pm MDT Jun 17, 2024
2am MDT Jun 18, 2024-6pm MDT Jun 24, 2024
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database