Widespread Damaging Winds Likely in the Northern Plains; Heat Continues in the Central and Southeast U.S.

Severe thunderstorms, heavy rainfall, and flooding are possible from the northern Rockies into the Upper Midwest. A derecho is likely across portions of the northern Plains, with several gusts expected to exceed 75 mph. Extreme heat is expected to intensify across much of the Southeast and Tennessee Valley, continuing through much of this week. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Clear

54°F

12°C

Humidity	93%
Wind Speed	E 3 MPH
Barometer	30.3 in (1026.08 mb)
Dewpoint	52°F (11°C)
Visibility	10.00 mi
Last update	29 Jul 12:54 AM MDT

More Information:

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

Extended Forecast for

Lewistown Municipal MT

Overnight
Low: 53 °F
Mostly Cloudy
Tuesday
High: 76 °F
Slight Chance
T-storms then
Chance
T-storms
Tuesday Night
Low: 53 °F
Chance
T-storms then
Slight Chance
T-storms
Wednesday
High: 76 °F
Slight Chance
T-storms then
Chance
T-storms
Wednesday Night
Low: 53 °F
Chance
T-storms then
Mostly Cloudy
Thursday
High: 79 °F
Partly Sunny
then Chance
Showers
Thursday Night
Low: 55 °F
Chance
T-storms then
Slight Chance
T-storms
Friday
High: 82 °F
Partly Sunny
then Showers
Likely
Friday Night
Low: 54 °F
Chance
T-storms then
Partly Cloudy

Detailed Forecast

Overnight

Mostly cloudy, with a low around 53. East southeast wind around 6 mph becoming light and variable.

Tuesday

A 50 percent chance of showers and thunderstorms, mainly after noon. Increasing clouds, with a high near 76. Calm wind becoming east northeast 5 to 8 mph in the afternoon.

Tuesday Night

A 50 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 53. East southeast wind 5 to 8 mph.

Wednesday

A 50 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 76. Light east southeast wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

Wednesday Night

A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 53. East southeast wind 6 to 11 mph, with gusts as high as 21 mph.

Thursday

A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 79. East southeast wind 5 to 10 mph, with gusts as high as 18 mph.

Thursday Night

A 50 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 55. East southeast wind 5 to 10 mph, with gusts as high as 18 mph.

Friday

Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 82. Calm wind becoming west northwest around 6 mph in the afternoon.

Friday Night

A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 54.

Saturday

A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80.

Saturday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 52.

Sunday

A chance of showers and thunderstorms. Mostly sunny, with a high near 78.

Sunday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 51.

Monday

A chance of showers and thunderstorms. Partly sunny, with a high near 75.