Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Rain

69°F

21°C

Humidity	73%
Wind Speed	E 10 MPH
Barometer	30.03 in (1016.93 mb)
Dewpoint	60°F (16°C)
Visibility	10.00 mi
Last update	15 Jun 01:54 PM MDT

More Information:

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

Extended Forecast for

6 Miles N Lewistown MT

This Afternoon
High: 77 °F
Severe
Thunderstorms
Tonight
Low: 50 °F
Severe
Thunderstorms
then Mostly
Cloudy
Monday
High: 74 °F
Chance
Showers
Monday Night
Low: 50 °F
Chance
Showers
Tuesday
High: 72 °F
Chance
Showers
Tuesday Night
Low: 50 °F
Partly Cloudy
Wednesday
High: 77 °F
Sunny
Wednesday Night
Low: 51 °F
Partly Cloudy
Juneteenth
High: 80 °F
Sunny

Detailed Forecast

This Afternoon

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Some of the storms could be severe. Mostly cloudy, with a high near 77. East northeast wind around 6 mph. Chance of precipitation is 70%.

Tonight

Showers and thunderstorms, mainly before 11pm. Some of the storms could be severe and produce heavy rainfall. Low around 50. North wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

Monday

A 40 percent chance of showers, mainly after noon. Mostly sunny, with a high near 74. Light and variable wind.

Monday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. Northeast wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 40%.

Tuesday

A 50 percent chance of showers. Partly sunny, with a high near 72. Light and variable wind becoming west northwest around 6 mph in the afternoon.

Tuesday Night

Partly cloudy, with a low around 50. South wind around 6 mph.

Wednesday

Sunny, with a high near 77. West northwest wind around 7 mph.

Wednesday Night

Partly cloudy, with a low around 51. West northwest wind around 6 mph becoming east southeast in the evening.

Juneteenth

Sunny, with a high near 80.

Thursday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 52.