Record Heat Remains in Place This Week; Severe Thunderstorms Possible Thursday

Record warmth will persist across portions of California, the Southwest U.S., the central Great Basin and return back to areas of the central/southern Plains and mid-lower Mississippi Valley this week. Over 200 new record high temperatures are forecast. Severe thunderstorms are being outlooked on Thursday over the Midwest. 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	18%
Wind Speed	NNW 3 MPH
Barometer	30.05 in (1017.61 mb)
Dewpoint	9°F (-13°C)
Visibility	10.00 mi
Last update	23 Mar 01:54 PM MDT

More Information:

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

Extended Forecast for

Lewistown MT

This Afternoon
High: 55 °F
Mostly Sunny
Tonight
Low: 36 °F
Mostly Cloudy
Tuesday
High: 63 °F
Partly Sunny
Tuesday Night
Low: 44 °F
Slight Chance
Rain then
Mostly Cloudy
Wednesday
High: 64 °F
Mostly Cloudy
Wednesday Night
Low: 27 °F
Chance Rain
then Chance
Snow
Thursday
High: 42 °F
Chance Snow
Showers
Thursday Night
Low: 20 °F
Partly Cloudy
Friday
High: 51 °F
Sunny

Detailed Forecast

This Afternoon

Mostly sunny, with a high near 55. Light and variable wind becoming north northeast around 6 mph.

Tonight

Mostly cloudy, with a low around 36. East wind 5 to 7 mph becoming south after midnight.

Tuesday

Partly sunny, with a high near 63. South southwest wind 5 to 8 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph.

Tuesday Night

A 20 percent chance of rain before midnight. Cloudy, with a low around 44. Northwest wind around 7 mph becoming south southwest in the evening.

Wednesday

Mostly cloudy, with a high near 64. Southwest wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 32 mph.

Wednesday Night

A chance of rain before midnight, then a chance of snow. Mostly cloudy, with a low around 27. Northwest wind 10 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

Thursday

A 30 percent chance of snow showers, mainly before noon. Mostly sunny, with a high near 42. West northwest wind 10 to 20 mph, with gusts as high as 31 mph. Little or no snow accumulation expected.

Thursday Night

Partly cloudy, with a low around 20. North northwest wind 6 to 15 mph becoming southwest after midnight. Winds could gust as high as 25 mph.

Friday

Sunny, with a high near 51.

Friday Night

Mostly clear, with a low around 27.

Saturday

Partly sunny, with a high near 59.

Saturday Night

Mostly cloudy, with a low around 34.

Sunday

Partly sunny, with a high near 66.