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

Dangerously Excessive Heat and Humidity Continues from the Midwest and Eastward

Oppressive heat and humidity will continue through Saturday from the Midwest to the East Coast. The Midwest will get a slight reprieve on Sunday as a cold front moves through the area, while excessive heat continues in the East. In addition, strong to severe storms will bring potential for damaging winds, hail, and heavy rain on Saturday. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Fair

41°F

5°C

Humidity 75%
Wind Speed SE 6 MPH
Barometer 30.07 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 20 Jul 3:20 am MDT
Extended Forecast for

Lewistown MT

  • Overnight

    Overnight: Mostly clear, with a low around 43. South southwest wind around 8 mph.

    Mostly Clear

    Low: 43 °F

  • Saturday

    Saturday: Sunny, with a high near 73. South southwest wind 5 to 7 mph becoming north in the afternoon.

    Sunny

    High: 73 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 45. North northeast wind 5 to 7 mph becoming south southwest after midnight.

    Mostly Clear

    Low: 45 °F

  • Sunday

    Sunday: Mostly cloudy through mid morning, then gradual clearing, with a high near 78. Calm wind becoming east 5 to 8 mph in the afternoon.

    Becoming
    Sunny

    High: 78 °F

  • Sunday
    Night

    Sunday Night: Clear, with a low around 51. Southeast wind 7 to 11 mph.

    Clear

    Low: 51 °F

  • Monday

    Monday: Sunny, with a high near 87.

    Sunny

    High: 87 °F

  • Monday
    Night

    Monday Night: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58.

    Slight Chance
    T-storms then
    Partly Cloudy

    Low: 58 °F

  • Tuesday

    Tuesday: Sunny, with a high near 90.

    Sunny

    High: 90 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 60.

    Chance
    T-storms then
    Mostly Cloudy

    Low: 60 °F

Detailed Forecast

Overnight
Mostly clear, with a low around 43. South southwest wind around 8 mph.
Saturday
Sunny, with a high near 73. South southwest wind 5 to 7 mph becoming north in the afternoon.
Saturday Night
Mostly clear, with a low around 45. North northeast wind 5 to 7 mph becoming south southwest after midnight.
Sunday
Mostly cloudy through mid morning, then gradual clearing, with a high near 78. Calm wind becoming east 5 to 8 mph in the afternoon.
Sunday Night
Clear, with a low around 51. Southeast wind 7 to 11 mph.
Monday
Sunny, with a high near 87.
Monday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58.
Tuesday
Sunny, with a high near 90.
Tuesday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 60.
Wednesday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 89.
Wednesday Night
A chance of rain. Partly cloudy, with a low around 56.
Thursday
Sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 52.
Friday
Sunny, with a high near 81.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Lewistown MT
 47.07°N 109.43°W (Elev. 3898 ft)
Last Update:
2:53 am MDT Jul 20, 2019
Forecast Valid:
3am MDT Jul 20, 2019-6pm MDT Jul 26, 2019
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation