Severe Weather/Heavy Rain in the Southeast, Tropical Depression Three Dissipates and Building Heat and Monsoon in the West

A strong cold front will progress into the southeast today with the threat for severe thunderstorms and flash flooding. Tropical Depression Three dissipates off the east coast of Florida. Finally out West, monsoonal moisture will produce a marginal threat for flash flooding in the Four Corners region the next few days, while heat gradually builds in the Desert Southwest and portions of California. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Fair

85°F

29°C

Humidity 39%
Wind Speed ESE 7 MPH
Barometer 30.09 in (1014.7 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 23 Jul 5:54 pm MDT
Extended Forecast for

Lewistown MT

Fire Weather Watch July 24, 12:00pm until July 24, 09:00pm
Click here for hazard details and duration
Fire Weather Watch
  • Tonight

    Tonight: Scattered rain and thunderstorms before 4am, then a chance of rain between 4am and 5am. Some of the storms could produce heavy rain.  Increasing clouds, with a low around 61. South wind 3 to 7 mph.  Chance of precipitation is 40%.

    Heavy Rain

    Low: 61 °F

  • Wednesday

    Wednesday: Partly sunny through mid morning, then becoming sunny, with a high near 88. Breezy, with a light and variable wind becoming west northwest 18 to 23 mph in the morning. Winds could gust as high as 33 mph.

    Sunny then
    Sunny and
    Breezy

    High: 88 °F

  • Wednesday
    Night

    Wednesday Night: Clear, with a low around 49. Breezy, with a west northwest wind 18 to 23 mph becoming southwest 6 to 11 mph after midnight. Winds could gust as high as 33 mph.

    Mostly Clear
    and Breezy
    then Clear

    Low: 49 °F

  • Thursday

    Thursday: Sunny, with a high near 84. West wind 6 to 10 mph, with gusts as high as 22 mph.

    Sunny

    High: 84 °F

  • Thursday
    Night

    Thursday Night: Clear, with a low around 51. West wind 5 to 14 mph, with gusts as high as 23 mph.

    Clear

    Low: 51 °F

  • Friday

    Friday: Sunny, with a high near 87.

    Sunny

    High: 87 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 57.

    Partly Cloudy

    Low: 57 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 86.

    Mostly Sunny

    High: 86 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 51.

    Mostly Clear

    Low: 51 °F

Detailed Forecast

Tonight
Scattered rain and thunderstorms before 4am, then a chance of rain between 4am and 5am. Some of the storms could produce heavy rain. Increasing clouds, with a low around 61. South wind 3 to 7 mph. Chance of precipitation is 40%.
Wednesday
Partly sunny through mid morning, then becoming sunny, with a high near 88. Breezy, with a light and variable wind becoming west northwest 18 to 23 mph in the morning. Winds could gust as high as 33 mph.
Wednesday Night
Clear, with a low around 49. Breezy, with a west northwest wind 18 to 23 mph becoming southwest 6 to 11 mph after midnight. Winds could gust as high as 33 mph.
Thursday
Sunny, with a high near 84. West wind 6 to 10 mph, with gusts as high as 22 mph.
Thursday Night
Clear, with a low around 51. West wind 5 to 14 mph, with gusts as high as 23 mph.
Friday
Sunny, with a high near 87.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 50.
Monday
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Sunny, with a high near 85.
Click Map For Forecast
Point Forecast:
Lewistown MT
 47.07°N 109.43°W (Elev. 3898 ft)
5:28 pm MDT Jul 23, 2019
6pm MDT Jul 23, 2019-6pm MDT Jul 30, 2019
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database