Excessive Heat Continues in the Western U.S.; Excessive Rainfall Lingers Along the Northern Gulf Coast

Excessive heat will continue through this weekend for the Southwest U.S. Heat will slowly abate across the Northwest through today as upper level low pressure moves in. Many areas remain under Excessive Heat Warnings, and Heat Advisories. Heavy to excessive rainfall will continue a threat for flooding today from southern Louisiana to northern Florida. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Clear

88°F

31°C

Humidity	10%
Wind Speed	NNE 4 MPH
Barometer	30.07 in (1018.29 mb)
Dewpoint	27°F (-3°C)
Visibility	10.00 mi
Heat Index	84°F (29°C)
Last update	07 Sep 05:20 PM MDT

More Information:

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

Extended Forecast for

Lewistown MT

Tonight
Low: 54 °F
Mostly Clear
then Haze
Sunday
High: 92 °F
Haze
Sunday Night
Low: 58 °F
Haze
Monday
High: 87 °F
Mostly Sunny
Monday Night
Low: 51 °F
Mostly Clear
Tuesday
High: 81 °F
Mostly Sunny
Tuesday Night
Low: 50 °F
Chance
Showers
Wednesday
High: 79 °F
Mostly Cloudy
then Chance
Showers
Wednesday Night
Low: 47 °F
Showers
Likely

Detailed Forecast

Tonight

Widespread haze after 5am. Mostly clear, with a low around 54. Northeast wind around 6 mph becoming southeast after midnight.

Sunday

Widespread haze before 3pm. Areas of smoke after 3pm. Sunny, with a high near 92. Southeast wind around 6 mph becoming calm.

Sunday Night

Widespread haze before 5am. Areas of smoke before 4am, then areas of smoke after 5am. Partly cloudy, with a low around 58. South southeast wind 5 to 9 mph.

Monday

Mostly sunny, with a high near 87. Southwest wind 6 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 24 mph.

Monday Night

Mostly clear, with a low around 51. West northwest wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 21 mph.

Tuesday

Mostly sunny, with a high near 81. Light and variable wind becoming northeast 5 to 7 mph in the afternoon.

Tuesday Night

A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 50. East southeast wind 6 to 10 mph, with gusts as high as 18 mph.

Wednesday

A chance of showers after noon. Mostly cloudy, with a high near 79. East southeast wind 5 to 8 mph.

Wednesday Night

Showers likely, mainly before midnight. Mostly cloudy, with a low around 47.

Thursday

Showers likely. Mostly cloudy, with a high near 63.

Thursday Night

Showers likely. Mostly cloudy, with a low around 43.

Friday

A chance of showers. Partly sunny, with a high near 65.

Friday Night

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