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

FORT ASSINIBOINE #1 (FASM8)

Lat: 48.48333°NLon: 109.8°WElev: 2710.0ft.

77°F

25°C

Humidity	54%
Wind Speed	W 4 MPH
Barometer	NA
Dewpoint	59°F (15°C)
Visibility	NA
Heat Index	79°F (26°C)
Last update	15 Jun 12:00 PM MDT

More Information:

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

Extended Forecast for

10 Miles NE Box Elder MT

This Afternoon
High: 82 °F
Chance
T-storms
Tonight
Low: 50 °F
Chance
T-storms then
Mostly Clear
Monday
High: 81 °F
Mostly Sunny
then Slight
Chance
Showers
Monday Night
Low: 52 °F
Slight Chance
Showers then
Partly Cloudy
Tuesday
High: 81 °F
Partly Sunny
then Chance
Showers
Tuesday Night
Low: 51 °F
Slight Chance
T-storms then
Partly Cloudy
Wednesday
High: 81 °F
Sunny
Wednesday Night
Low: 53 °F
Partly Cloudy
Juneteenth
High: 83 °F
Mostly Sunny

Detailed Forecast

This Afternoon

A chance of showers, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 82. Light and variable wind becoming north 5 to 7 mph. Chance of precipitation is 40%.

Tonight

A 40 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 50. West northwest wind 5 to 8 mph becoming calm in the evening.

Monday

A 20 percent chance of showers after noon. Mostly sunny, with a high near 81. Calm wind becoming northeast around 6 mph in the afternoon.

Monday Night

A 20 percent chance of showers before midnight. Partly cloudy, with a low around 52. North wind around 5 mph becoming light and variable after midnight.

Tuesday

A 30 percent chance of showers after noon. Partly sunny, with a high near 81. South southwest wind 3 to 8 mph.

Tuesday Night

A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 51. West wind 5 to 8 mph becoming south after midnight.

Wednesday

Sunny, with a high near 81. West wind 6 to 10 mph, with gusts as high as 18 mph.

Wednesday Night

Partly cloudy, with a low around 53. West wind 6 to 9 mph becoming south after midnight.

Juneteenth

Mostly sunny, with a high near 83.

Thursday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 54.

Friday

A chance of showers. Partly sunny, with a high near 79.

Friday Night

A chance of showers. Mostly cloudy, with a low around 50.