Heat Persists in the South Central U.S. and California; Heavy Rain in the Ohio Valley

Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley, as well as in the Southwest and California this week with limited nighttime relief. Heavy rainfall will lead to localized areas of flash flooding in parts of the Ohio Valley/Central Appalachians. Dry and breezy conditions will enhance fire weather concerns across the northern Rockies and High Plains. Read More >

Current conditions at

Lewistown Divide MT-200 MP 90.3 (MTLEW)

Lat: 47.07579°NLon: 109.26247°WElev: 4723.0ft.

50°F

10°C

Humidity	53%
Wind Speed	NNW 2 MPH
Barometer	NA
Dewpoint	33°F (1°C)
Visibility	NA
Last update	09 Sep 11:00 PM MDT

More Information:

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

Extended Forecast for

7 Miles WNW Grass Range MT

Tonight
Low: 52 °F
Mostly Clear
Thursday
High: 86 °F
Becoming
Sunny
Thursday Night
Low: 50 °F
Mostly Cloudy
then Showers
Likely
Friday
High: 64 °F
Showers then
Chance
Showers
Friday Night
Low: 42 °F
Slight Chance
Showers
Saturday
High: 58 °F
Slight Chance
Showers then
Mostly Cloudy
Saturday Night
Low: 39 °F
Showers
Likely
Sunday
High: 54 °F
Showers
Sunday Night
Low: 38 °F
Showers
Likely

Detailed Forecast

Tonight

Mostly clear, with a low around 52. Southwest wind 8 to 10 mph, with gusts as high as 18 mph.

Thursday

Partly sunny, then gradually becoming sunny, with a high near 86. West wind 11 to 18 mph, with gusts as high as 29 mph.

Thursday Night

Showers likely, mainly after 5am. Mostly cloudy, with a low around 50. West northwest wind 6 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

Friday

Showers, mainly before noon. High near 64. North wind 5 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

Friday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 42. North wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 20 mph.

Saturday

A 20 percent chance of showers before noon. Mostly cloudy, with a high near 58. Light northeast wind becoming east 8 to 13 mph in the morning. Winds could gust as high as 21 mph.

Saturday Night

A chance of showers and thunderstorms, then showers likely after midnight. Mostly cloudy, with a low around 39. East wind 13 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

Sunday

Showers likely, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 54. East northeast wind around 14 mph, with gusts as high as 23 mph.

Sunday Night

Showers likely, mainly before midnight. Mostly cloudy, with a low around 38.

Monday

A slight chance of showers before noon. Mostly sunny, with a high near 63.

Monday Night

Mostly clear, with a low around 40.

Tuesday

Sunny, with a high near 67.

Tuesday Night

Partly cloudy, with a low around 42.

Wednesday

A slight chance of showers. Partly sunny, with a high near 64.