Heat Continues in the Northeast; Fire Weather Threat Persists in the West

Above normal temperatures are expected to continue into midweek for portions of the Northeast, including the I-95 corridor from New York to southern Maine. Critical fire weather conditions are expected in the interior Pacific Northwest, with additional Red Flag Warnings in effect for the Great Basin and Rockies. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Clear

61°F

16°C

Humidity 45%
Wind Speed SSE 6 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 10 Aug 09:54 PM MDT
Extended Forecast for

Lewistown MT

Red Flag Warning August 11, 12:00pm until August 12, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  • Tonight

    Tonight: Clear, with a low around 52. Southeast wind 5 to 7 mph.

    Clear

    Low: 52 °F

  • Tuesday

    Tuesday: Sunny, with a high near 88. South wind 5 to 10 mph becoming west northwest in the afternoon.

    Sunny

    High: 88 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 53. West southwest wind 7 to 9 mph becoming southeast in the evening.

    Mostly Clear

    Low: 53 °F

  • Wednesday

    Wednesday: Sunny, with a high near 87. West southwest wind 5 to 13 mph, with gusts as high as 18 mph.

    Sunny

    High: 87 °F

  • Wednesday
    Night

    Wednesday Night: A 30 percent chance of showers before midnight.  Mostly cloudy, with a low around 51. West northwest wind 8 to 11 mph.

    Chance
    Showers then
    Mostly Cloudy

    Low: 51 °F

  • Thursday

    Thursday: Partly sunny, with a high near 82. West wind 6 to 8 mph.

    Partly Sunny

    High: 82 °F

  • Thursday
    Night

    Thursday Night: A 20 percent chance of showers before midnight.  Mostly cloudy, with a low around 49. Northwest wind 6 to 8 mph becoming west southwest after midnight.

    Slight Chance
    Showers then
    Partly Cloudy

    Low: 49 °F

  • Friday

    Friday: Sunny, with a high near 78. West wind 7 to 14 mph, with gusts as high as 21 mph.

    Sunny

    High: 78 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 46.

    Mostly Clear

    Low: 46 °F

Detailed Forecast

Tonight
Clear, with a low around 52. Southeast wind 5 to 7 mph.
Tuesday
Sunny, with a high near 88. South wind 5 to 10 mph becoming west northwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 53. West southwest wind 7 to 9 mph becoming southeast in the evening.
Wednesday
Sunny, with a high near 87. West southwest wind 5 to 13 mph, with gusts as high as 18 mph.
Wednesday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 51. West northwest wind 8 to 11 mph.
Thursday
Partly sunny, with a high near 82. West wind 6 to 8 mph.
Thursday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 49. Northwest wind 6 to 8 mph becoming west southwest after midnight.
Friday
Sunny, with a high near 78. West wind 7 to 14 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 78.
Saturday Night
Clear, with a low around 49.
Sunday
Sunny, with a high near 85.
Sunday Night
Mostly clear, with a low around 54.
Monday
Sunny, with a high near 90.
Click Map For Forecast
Point Forecast:
Lewistown MT
 47.07°N 109.43°W (Elev. 3898 ft)
4:23 pm MDT Aug 10, 2020
10pm MDT Aug 10, 2020-6pm MDT Aug 17, 2020
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database