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.

Clear

70°F

21°C

Humidity	64%
Wind Speed	ESE 18 MPH
Barometer	30.08 in (1018.63 mb)
Dewpoint	57°F (14°C)
Visibility	10.00 mi
Last update	15 Jun 11:05 AM MDT

More Information:

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

Extended Forecast for

7 Miles N Moore MT

Today
High: 78 °F
Severe
Thunderstorms
Tonight
Low: 48 °F
Severe
Thunderstorms
then Mostly
Cloudy
Monday
High: 75 °F
Slight Chance
Showers then
Chance
Showers
Monday Night
Low: 48 °F
Chance
Showers
Tuesday
High: 73 °F
Chance
Showers
Tuesday Night
Low: 47 °F
Slight Chance
T-storms then
Mostly Clear
Wednesday
High: 78 °F
Sunny
Wednesday Night
Low: 49 °F
Partly Cloudy
Juneteenth
High: 81 °F
Sunny

Detailed Forecast

Today

Showers and thunderstorms likely, mainly after 5pm. Some of the storms could be severe. Increasing clouds, with a high near 78. East northeast wind 5 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms, mainly before 11pm. Some of the storms could be severe and produce heavy rainfall. Low around 48. Northeast wind 5 to 8 mph becoming light and variable in the evening. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

Monday

A 50 percent chance of showers, mainly after noon. Partly sunny, with a high near 75. Light and variable wind becoming northeast around 5 mph.

Monday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 48. Northwest wind around 6 mph becoming south in the evening. Chance of precipitation is 40%.

Tuesday

A 50 percent chance of showers. Partly sunny, with a high near 73. South wind 5 to 7 mph becoming west northwest in the afternoon.

Tuesday Night

A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 47. South wind around 7 mph.

Wednesday

Sunny, with a high near 78. Southwest wind 6 to 8 mph becoming west northwest in the afternoon.

Wednesday Night

Partly cloudy, with a low around 49. Northwest wind around 7 mph becoming southeast in the evening.

Juneteenth

Sunny, with a high near 81.

Thursday Night

A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 50.