Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Heat Building in the Western U.S.

A cold front pressing east across the central U.S. will be the focus for areas of strong to severe thunderstorms and excessive rainfall through this weekend. Strong to severe thunderstorms my bring damaging winds, hail, and a few tornadoes while excessive rainfall may lead to areas of flooding. Heat will build across the western U.S. with heat-related watches, warnings, and advisories issued. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Clear

79°F

26°C

Humidity	29%
Wind Speed	NW 4 MPH
Barometer	30.02 in (1016.59 mb)
Dewpoint	45°F (7°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	12 Jul 08:20 PM MDT

More Information:

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

Extended Forecast for

Lewistown Municipal MT

Tonight
Low: 55 °F
Mostly Clear
Sunday
High: 88 °F
Sunny
Sunday Night
Low: 56 °F
Mostly Clear
Monday
High: 86 °F
Sunny then
Slight Chance
Showers
Monday Night
Low: 49 °F
Showers
Likely
Tuesday
High: 58 °F
Showers
Tuesday Night
Low: 45 °F
Showers
Likely
Wednesday
High: 63 °F
Chance
Showers
Wednesday Night
Low: 43 °F
Partly Cloudy

Detailed Forecast

Tonight

Mostly clear, with a low around 55. North northwest wind 6 to 10 mph becoming south after midnight.

Sunday

Sunny, with a high near 88. South southwest wind 6 to 8 mph becoming northwest in the afternoon.

Sunday Night

Mostly clear, with a low around 56. North northwest wind 5 to 7 mph becoming southeast in the evening.

Monday

A 20 percent chance of showers after noon. Sunny, with a high near 86. South southwest wind 5 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.

Monday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 49. North wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

Tuesday

Showers likely and possibly a thunderstorm before noon, then showers between noon and 3pm, then showers and possibly a thunderstorm after 3pm. High near 58. East northeast wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.

Tuesday Night

Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 45. East northeast wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

Wednesday

A chance of showers. Partly sunny, with a high near 63. East northeast wind around 7 mph.

Wednesday Night

Partly cloudy, with a low around 43.

Thursday

Sunny, with a high near 74.

Thursday Night

Partly cloudy, with a low around 49.

Friday

Mostly sunny, with a high near 79.

Friday Night

Mostly clear, with a low around 51.