Fire Weather Concerns; Record Warmth Spreads

The Plains to the mid-Mississippi Valley continue with warm and dry conditions. Any fires that initiate could spread quickly. The warm temperatures will expand across the Southern Plains into the Southwest where numerous records are expected through the weekend. Meanwhile, a cold front will move southward across the northern Plains and Great Lakes region where some snow will develop this weekend. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Clear

16°F

-9°C

Humidity 85%
Wind Speed E 5 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 01 Mar 01:35 AM MST
Extended Forecast for

Lewistown Municipal MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 18. Southeast wind around 6 mph.

    Low: 18 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 53. Light and variable wind becoming west around 6 mph in the morning.

    High: 53 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 29. South southeast wind around 6 mph becoming southwest after midnight.

    Low: 29 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 53. Southwest wind around 6 mph becoming light and variable.

    High: 53 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 29. North northwest wind 5 to 7 mph becoming south southwest in the evening.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 58. West southwest wind 6 to 9 mph, with gusts as high as 18 mph.

    High: 58 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35. Southwest wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain after 11am.  Mostly cloudy, with a high near 55. Southwest wind around 11 mph, with gusts as high as 22 mph.

    High: 55 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 11pm.  Cloudy, with a low around 30.

    Low: 30 °F

    Rain Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 18. Southeast wind around 6 mph.
Sunday
Mostly sunny, with a high near 53. Light and variable wind becoming west around 6 mph in the morning.
Sunday Night
Partly cloudy, with a low around 29. South southeast wind around 6 mph becoming southwest after midnight.
Monday
Mostly sunny, with a high near 53. Southwest wind around 6 mph becoming light and variable.
Monday Night
Mostly clear, with a low around 29. North northwest wind 5 to 7 mph becoming south southwest in the evening.
Tuesday
Mostly sunny, with a high near 58. West southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 35. Southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Wednesday
A slight chance of rain after 11am. Mostly cloudy, with a high near 55. Southwest wind around 11 mph, with gusts as high as 22 mph.
Wednesday Night
Rain likely, mainly before 11pm. Cloudy, with a low around 30.
Thursday
A slight chance of snow. Mostly cloudy, with a high near 46.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
A slight chance of snow. Mostly sunny, with a high near 45.
Friday Night
A slight chance of snow. Partly cloudy, with a low around 24.
Saturday
A slight chance of rain and snow. Partly sunny, with a high near 45. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewistown Municipal MT
 47.04°N 109.45°W (Elev. 4111 ft)
11:46 pm MST Feb 28, 2026
1am MST Mar 1, 2026-6pm MST Mar 7, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database