Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Clear

N/A

Humidity	59%
Wind Speed	N 0 MPH
Barometer	NA
Dewpoint	N/A
Visibility	10.00 mi
Last update	30 Jul 04:50 AM MDT

More Information:

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

Extended Forecast for

Lewistown Municipal MT

This Afternoon
High: 88 °F
Slight Chance
T-storms
Tonight
Low: 57 °F
Slight Chance
Showers then
Mostly Cloudy
Thursday
High: 93 °F
Mostly Sunny
then Chance
Showers
Thursday Night
Low: 56 °F
Chance
Showers then
Partly Cloudy
Friday
High: 84 °F
Mostly Sunny
then Slight
Chance
T-storms
Friday Night
Low: 54 °F
Chance
Showers
Saturday
High: 78 °F
Showers
Likely
Saturday Night
Low: 45 °F
Showers
Sunday
High: 70 °F
Showers
Likely

Detailed Forecast

This Afternoon

A 20 percent chance of showers and thunderstorms after 4pm. Patchy smoke. Mostly sunny, with a high near 88. Light and variable wind.

Tonight

A 20 percent chance of showers before 11pm. Patchy smoke before 8pm. Mostly cloudy, with a low around 57. East southeast wind 3 to 8 mph.

Thursday

A 50 percent chance of showers and thunderstorms, mainly after 4pm. Increasing clouds, with a high near 93. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.

Thursday Night

A 30 percent chance of showers, mainly before 10pm. Mostly cloudy, with a low around 56. South southeast wind 6 to 10 mph.

Friday

A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 84. Calm wind becoming south southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 20%.

Friday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. South southwest wind 5 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

Saturday

A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 78. West southwest wind 3 to 5 mph. Chance of precipitation is 60%.

Saturday Night

Showers and possibly a thunderstorm. Mostly cloudy, with a low around 45. Southwest wind around 6 mph becoming south southeast in the evening.

Sunday

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 70.

Sunday Night

A chance of showers before midnight. Partly cloudy, with a low around 43.

Monday

Sunny, with a high near 76.

Monday Night

Mostly clear, with a low around 48.

Tuesday

Sunny, with a high near 80.