Hazardous Weather Conditions
Current conditions at
Lewistown, Lewistown Municipal Airport (KLWT)
Lat: 47.04917°NLon: 109.46639°WElev: 4167.0ft.light snow,mist
25°F
-4°C
| Humidity | 100% |
| Wind Speed | N 0 MPH |
| Barometer | 29.89 in (1012.19 mb) |
| Dewpoint | 25°F (-4°C) |
| Visibility | 1.00 mi |
| Last update | 13 Mar 05:05 PM MDT |
Extended Forecast for
Lewistown Municipal MT
Winter Storm Warning March 13, 05:21pm until March 14, 06:00pm
NOW until 6:00pm Sat

Winter Storm Warning
This Afternoon

High: 33 °F
Snow
Tonight

Low: 21 °F
Snow
Saturday

High: 34 °F
Snow
Saturday Night
Low: 4 °F
Snow then
Slight Chance
SnowSunday

High: 27 °F
Slight Chance
SnowSunday Night

Low: 11 °F
Mostly Cloudy
Monday
High: 46 °F
Chance Snow
then Chance
Rain/SnowMonday Night

Low: 37 °F
Chance Rain
Detailed Forecast
This Afternoon
Snow. High near 33. Northeast wind around 7 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Snow. Low around 21. East wind 7 to 9 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Saturday
Snow. High near 34. East wind 8 to 18 mph becoming north northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Saturday Night
Snow, mainly before midnight. Low around 4. Wind chill values as low as -5. North northwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Sunday
A 20 percent chance of snow. Partly sunny, with a high near 27. West southwest wind around 6 mph.
Sunday Night
Mostly cloudy, with a low around 11. West northwest wind 5 to 9 mph becoming south in the evening.
Monday
A chance of snow before noon, then a chance of rain and snow between noon and 3pm, then a chance of rain after 3pm. Cloudy, with a high near 46. Southwest wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday Night
A chance of rain. Mostly cloudy, with a low around 37. West southwest wind 15 to 21 mph, with gusts as high as 33 mph.
Tuesday
Mostly cloudy, with a high near 58. Breezy.
Tuesday Night
Mostly cloudy, with a low around 42. Breezy.
Wednesday
Partly sunny, with a high near 64. Breezy.
Wednesday Night
Mostly cloudy, with a low around 43.
Thursday
Partly sunny, with a high near 69. Breezy.
Thursday Night
Mostly cloudy, with a low around 46.
Friday
Partly sunny, with a high near 70.
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ABOUT THIS FORECAST
Point Forecast:
Lewistown Municipal MT
47.04°N 109.45°W (Elev. 4111 ft)
47.04°N 109.45°W (Elev. 4111 ft)
5:02 pm MDT Mar 13, 2026
5pm MDT Mar 13, 2026-6pm MDT Mar 20, 2026



