Severe Thunderstorms in the Central U.S.; Heavy to Excessive Rainfall in the Ohio Valley and Central Appalachians

Severe thunderstorms producing damaging winds, hail, and a few tornadoes are expected through Tuesday across parts of the central Plains and lower to mid Missouri Valley. Heavy to excessive rainfall could produce flooding across portions of the Ohio Valley into the Central Appalachians through Tuesday. 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	87%
Wind Speed	ESE 4 MPH
Barometer	30.01 in (1016.26 mb)
Dewpoint	46°F (8°C)
Visibility	10.00 mi
Wind Chill	49°F (9°C)
Last update	17 Jun 07:05 AM MDT

More Information:

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

Extended Forecast for

Lewistown MT

Today
High: 75 °F
Mostly Sunny
then Slight
Chance
T-storms
Tonight
Low: 49 °F
Mostly Clear
Wednesday
High: 80 °F
Sunny
Wednesday Night
Low: 50 °F
Mostly Clear
Juneteenth
High: 82 °F
Sunny
Thursday Night
Low: 51 °F
Showers
Likely
Friday
High: 77 °F
Chance
T-storms then
Showers
Likely
Friday Night
Low: 48 °F
Showers
Likely
Saturday
High: 68 °F
Chance
Showers

Detailed Forecast

Today

A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 75. Calm wind becoming west southwest around 5 mph in the afternoon.

Tonight

Mostly clear, with a low around 49. West southwest wind around 6 mph becoming south southeast in the evening.

Wednesday

Sunny, with a high near 80. South southwest wind 5 to 8 mph becoming west northwest in the afternoon.

Wednesday Night

Mostly clear, with a low around 50. West northwest wind around 6 mph becoming light and variable after midnight.

Juneteenth

Sunny, with a high near 82. Light and variable wind becoming north 5 to 7 mph in the morning.

Thursday Night

Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 51. East northeast wind 5 to 7 mph becoming southeast after midnight. Chance of precipitation is 60%.

Friday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 77. East wind 5 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

Friday Night

Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 48. Northeast wind 6 to 13 mph becoming west after midnight. Winds could gust as high as 23 mph.

Saturday

A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 68.

Saturday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 40.

Sunday

Showers likely. Mostly cloudy, with a high near 53.

Sunday Night

A chance of showers. Partly cloudy, with a low around 35.

Monday

A chance of showers and thunderstorms. Mostly sunny, with a high near 64.