Cold Front Moving Through the Northeast U.S. Monday; Atmospheric River to Impact the Pacific Northwest Midweek

A cold front will cross the Great Lakes and Northeast U.S. through Monday with gusty winds and areas of rain showers. A strong atmospheric river is expected to move into the Pacific Northwest by midweek bringing a threat for moderate to heavy rainfall, gusty winds, and mountain snows for parts of Washington, Oregon, northern California, and the Sierra Nevada. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Clear

50°F

10°C

Humidity	25%
Wind Speed	WNW 27 MPH
Barometer	30.1 in (1019.3 mb)
Dewpoint	16°F (-9°C)
Visibility	10.00 mi
Wind Chill	42°F (6°C)
Last update	02 Nov 02:35 PM MST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Lewistown MT

This Afternoon
High: 53 °F
Sunny and
Breezy
Tonight
Low: 25 °F
Mostly Clear
Monday
High: 51 °F
Increasing
Clouds
Monday Night
Low: 34 °F
Slight Chance
Rain
Tuesday
High: 52 °F
Chance Rain
Tuesday Night
Low: 29 °F
Mostly Cloudy
Wednesday
High: 57 °F
Mostly Cloudy
Wednesday Night
Low: 37 °F
Mostly Cloudy
Thursday
High: 54 °F
Mostly Sunny
and Breezy

Detailed Forecast

This Afternoon

Sunny, with a high near 53. Breezy, with a west northwest wind 26 to 28 mph, with gusts as high as 40 mph.

Tonight

Mostly clear, with a low around 25. West wind 13 to 18 mph becoming south southeast 5 to 10 mph after midnight. Winds could gust as high as 31 mph.

Monday

Increasing clouds, with a high near 51. East southeast wind around 6 mph becoming north in the afternoon.

Monday Night

A 20 percent chance of rain after 11pm. Cloudy, with a low around 34. East southeast wind around 6 mph becoming light and variable.

Tuesday

A 40 percent chance of rain, mainly before 11am. Mostly cloudy, with a high near 52. South southwest wind 5 to 9 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph.

Tuesday Night

Mostly cloudy, with a low around 29. West northwest wind around 6 mph becoming south after midnight.

Wednesday

Mostly cloudy, with a high near 57. South southeast wind 6 to 9 mph.

Wednesday Night

Mostly cloudy, with a low around 37. South southeast wind 9 to 13 mph becoming west southwest after midnight. Winds could gust as high as 22 mph.

Thursday

Mostly sunny, with a high near 54. Breezy.

Thursday Night

Partly cloudy, with a low around 33.

Friday

A chance of rain. Partly sunny, with a high near 55.