Heavy to Excessive Rainfall and Flooding Threats in the Central and Eastern U.S.; Heat and Fire Weather Concerns in the West

Thunderstorms producing excessive rainfall and potential flooding concerns will continue through tonight from the Southern Plains to the East Coast. Areas of greatest concern for flooding are over central Texas and the Mid-Atlantic. Heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue through Monday. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Clear

84°F

29°C

Humidity	26%
Wind Speed	NW 9 MPH
Barometer	30.11 in (1019.64 mb)
Dewpoint	47°F (8°C)
Visibility	10.00 mi
Heat Index	82°F (28°C)
Last update	13 Jul 01:30 PM MDT

More Information:

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

Extended Forecast for

Lewistown Municipal MT

This Afternoon
High: 88 °F
Sunny
Tonight
Low: 57 °F
Mostly Clear
Monday
High: 88 °F
Sunny then
Slight Chance
T-storms
Monday Night
Low: 48 °F
Showers
Likely
Tuesday
High: 58 °F
Showers
Likely
Tuesday Night
Low: 44 °F
Chance
Showers
Wednesday
High: 62 °F
Chance
Showers
Wednesday Night
Low: 43 °F
Partly Cloudy
Thursday
High: 76 °F
Sunny

Detailed Forecast

This Afternoon

Sunny, with a high near 88. Northwest wind around 10 mph, with gusts as high as 20 mph.

Tonight

Mostly clear, with a low around 57. North northwest wind 6 to 9 mph becoming south southeast in the evening.

Monday

A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Sunny, with a high near 88. South wind 5 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

Monday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 48. North wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.

Tuesday

Showers likely, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 58. East northeast wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

Tuesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 44. East northeast wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

Wednesday

A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 62. East northeast wind 6 to 8 mph. Chance of precipitation is 40%.

Wednesday Night

Partly cloudy, with a low around 43. Southeast wind 6 to 8 mph.

Thursday

Sunny, with a high near 76.

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 52.

Saturday

Sunny, with a high near 84.