Severe Weather for the Central High Plains; Heavy Rain/Flood Concerns in Parts of the East

Strong to severe thunderstorms capable of strong winds and large hail are possible over portions of the central High Plains this afternoon, including parts of the Denver metro area. A stalled front is expected to bring additional rain and flash flood risks in the Mid-Atlantic and Southeast through Thursday. Red flag warnings are in effect across the Interior Northwest and Great Basin today. Read More >

Hazardous Weather Conditions

Fire Weather Watch in effect from August 7, 12:00 PM MDT until August 7, 09:00 PM MDT

En Español

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

Lat: 47.04917°NLon: 109.46639°WElev: 4167ft.

Clear

88°F

31°C

Humidity	22%
Wind Speed	ESE 5 MPH
Barometer	29.95 in (1014.22 mb)
Dewpoint	45°F (7°C)
Visibility	10.00 mi
Heat Index	85°F (29°C)
Last update	05 Aug 04:54 PM MDT

More Information:

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

Extended Forecast for

Lewistown MT

Fire Weather Watch August 7, 12:00pm until August 7, 09:00pm

Click here for hazard details and duration

Fire Weather Watch

Tonight

Mostly Clear
Low: 57 °F
Thursday

Sunny then
Chance
Showers
High: 92 °F
Thursday
Night

Chance
T-storms then
Partly Cloudy
Low: 55 °F
Friday

Sunny
High: 80 °F
Friday
Night

Mostly Clear
Low: 48 °F
Saturday

Sunny
High: 83 °F
Saturday
Night

Partly Cloudy
Low: 51 °F
Sunday

Mostly Sunny
High: 80 °F
Sunday
Night

Partly Cloudy
Low: 50 °F

Detailed Forecast

Tonight

Mostly clear, with a low around 57. East southeast wind 9 to 11 mph, with gusts as high as 18 mph.

Thursday

A 30 percent chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 92. East southeast wind 6 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.

Thursday Night

A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 55. South wind 6 to 10 mph, with gusts as high as 21 mph.

Friday

Sunny, with a high near 80. West northwest wind 13 to 18 mph, with gusts as high as 30 mph.

Friday Night

Mostly clear, with a low around 48. West northwest wind 6 to 14 mph becoming southwest after midnight. Winds could gust as high as 24 mph.

Saturday

Sunny, with a high near 83. Southwest wind 5 to 11 mph, with gusts as high as 18 mph.

Saturday Night

Partly cloudy, with a low around 51. West wind 6 to 8 mph, with gusts as high as 20 mph.

Sunday

Mostly sunny, with a high near 80. West wind 7 to 11 mph, with gusts as high as 20 mph.

Sunday Night

Partly cloudy, with a low around 50.