Severe Thunderstorm and Flash Flooding Threat Shifts to the Southeast U.S. Tuesday

Strong to severe thunderstorms will shift east on Tuesday, with damaging winds the most likely hazard, over parts of northern Florida and southern Georgia. Heavy to excessive rainfall will also be possible Tuesday over northern Florida. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Partly Cloudy

45°F

7°C

Humidity	75%
Wind Speed	N 0 MPH
Barometer	29.88 in (1011.85 mb)
Dewpoint	37°F (3°C)
Visibility	10.00 mi
Last update	14 May 04:30 AM MDT

More Information:

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

Extended Forecast for

6 Miles SSW Lewistown Municipal MT

Overnight
Low: 42 °F
Chance Rain
Tuesday
High: 56 °F
Showers
Tuesday Night
Low: 41 °F
Chance
T-storms then
Mostly Cloudy
Wednesday
High: 65 °F
Chance
Showers
Wednesday Night
Low: 46 °F
Chance
Showers
Thursday
High: 65 °F
Chance
Showers
Thursday Night
Low: 45 °F
Chance
Showers
Friday
High: 67 °F
Chance Rain
and Breezy
Friday Night
Low: 39 °F
Chance Rain
and Breezy

Detailed Forecast

Overnight

A 30 percent chance of rain. Mostly cloudy, with a low around 42. Southwest wind around 10 mph.

Tuesday

Rain before noon, then showers and possibly a thunderstorm, mainly after noon. High near 56. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

A chance of rain and thunderstorms before 10pm, then a slight chance of rain between 10pm and midnight. Mostly cloudy, with a low around 41. Northwest wind 6 to 14 mph becoming south southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 40%.

Wednesday

A slight chance of rain, then a chance of showers and thunderstorms after noon. Increasing clouds, with a high near 65. South southwest wind 6 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 40%.

Wednesday Night

A chance of showers and thunderstorms before midnight, then a chance of rain after midnight. Mostly cloudy, with a low around 46. West northwest wind 7 to 14 mph becoming southwest in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 40%.

Thursday

A slight chance of rain, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 65. West wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

Thursday Night

A chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight. Partly cloudy, with a low around 45. West northwest wind 10 to 16 mph becoming southwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 30%.

Friday

A chance of rain, mainly after noon. Mostly sunny, with a high near 67. Breezy, with a west southwest wind 13 to 23 mph, with gusts as high as 33 mph.

Friday Night

A chance of rain. Mostly cloudy, with a low around 39. Breezy.

Saturday

A chance of rain before noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 57.

Saturday Night

A chance of rain. Partly cloudy, with a low around 38.

Sunday

A chance of rain. Mostly sunny, with a high near 61.

Sunday Night

A slight chance of rain. Partly cloudy, with a low around 39.

Monday

A chance of showers and thunderstorms. Mostly sunny, with a high near 63.