Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. 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 MT

Today
High: 89 °F
Patchy Smoke
Tonight
Low: 55 °F
Partly Cloudy
Friday
High: 86 °F
Mostly Sunny
Friday Night
Low: 57 °F
Partly Cloudy
Saturday
High: 89 °F
Partly Sunny
Saturday Night
Low: 57 °F
Slight Chance
T-storms then
Mostly Cloudy
Sunday
High: 88 °F
Mostly Sunny
then Chance
Showers
Sunday Night
Low: 53 °F
Slight Chance
Showers then
Mostly Clear
Monday
High: 81 °F
Sunny

Detailed Forecast

Today

Patchy smoke between 4pm and 5pm. Sunny, with a high near 89. Northwest wind 7 to 9 mph, with gusts as high as 20 mph.

Tonight

Partly cloudy, with a low around 55. North northwest wind 5 to 9 mph becoming south southeast after midnight.

Friday

Mostly sunny, with a high near 86. Calm wind becoming east 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

Friday Night

Partly cloudy, with a low around 57. East wind around 11 mph, with gusts as high as 21 mph.

Saturday

Partly sunny, with a high near 89. East southeast wind 6 to 8 mph.

Saturday Night

A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 57. South southeast wind 3 to 7 mph. Chance of precipitation is 20%.

Sunday

A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.

Sunday Night

A slight chance of showers before midnight. Partly cloudy, with a low around 53. West southwest wind 3 to 7 mph.

Monday

Sunny, with a high near 81.

Monday Night

Partly cloudy, with a low around 52.

Tuesday

Mostly sunny, with a high near 83.

Tuesday Night

A slight chance of showers. Partly cloudy, with a low around 53.

Wednesday

A slight chance of showers. Mostly sunny, with a high near 85.