Extreme Heat and Severe Thunderstorms Today

Extreme heat continues today from the central Plains to the lower Mississippi River Valley, over southeast Montana, and from southern California into the Southwest Deserts. Extreme Heat Warnings remain in effect. Severe thunderstorms capable of strong to severe wind gusts and large hail are possible across the Great Lakes into the Ohio Valley today into tonight. Read More >

Hazardous Weather Conditions

Air Quality Alert

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Clear

N/A

Humidity	30%
Wind Speed	W 17 MPH
Barometer	NA
Dewpoint	N/A
Visibility	10.00 mi
Last update	24 Jul 11:00 AM MDT

More Information:

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

Extended Forecast for

5 Miles WSW Lewistown Municipal MT

Tonight
Low: 59 °F
Smoke
Tuesday
High: 93 °F
Areas Smoke
then Slight
Chance
T-storms
Tuesday Night
Low: 58 °F
Slight Chance
T-storms then
Patchy Smoke
Wednesday
High: 91 °F
Areas Smoke
then Mostly
Sunny
Wednesday Night
Low: 57 °F
Slight Chance
T-storms then
Partly Cloudy
Thursday
High: 93 °F
Sunny
Thursday Night
Low: 57 °F
Mostly Clear
then Slight
Chance
Showers
Friday
High: 92 °F
Sunny
Friday Night
Low: 58 °F
Mostly Clear

Detailed Forecast

Tonight

Widespread smoke, mainly before 4am. Partly cloudy, with a low around 59. East northeast wind 5 to 7 mph becoming light and variable after midnight.

Tuesday

A 20 percent chance of showers and thunderstorms after 3pm. Areas of smoke. Sunny, with a high near 93. Calm wind becoming northwest 5 to 7 mph in the afternoon.

Tuesday Night

A 20 percent chance of showers and thunderstorms before 9pm. Areas of smoke. Mostly clear, with a low around 58. East southeast wind around 6 mph becoming light and variable after midnight.

Wednesday

Areas of smoke before 7am. Sunny, with a high near 91. Light and variable wind becoming north around 6 mph in the morning.

Wednesday Night

A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 57. East wind 6 to 8 mph becoming south in the evening.

Thursday

Sunny, with a high near 93. Calm wind becoming northwest around 5 mph in the afternoon.

Thursday Night

A 20 percent chance of showers after midnight. Partly cloudy, with a low around 57. North northwest wind 6 to 8 mph becoming south southeast after midnight.

Friday

Sunny, with a high near 92. Calm wind becoming north northwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

Friday Night

Mostly clear, with a low around 58.

Saturday

Sunny and hot, with a high near 98.

Saturday Night

Mostly clear, with a low around 62.

Sunday

Sunny, with a high near 95.

Sunday Night

Mostly clear, with a low around 54.