Areas of Severe Thunderstorms and Excessive Rainfall; Heat Wave Builds in the Intermountain West and Plains

A slow moving front will bring rounds of strong to severe thunderstorms and heavy rainfall to the central Plains eastward to the east-central U.S.. The first widespread significant heat wave of summer for the Intermountain West and Plains is expected to develop today and expand through next week. Dangerous heat will continue to impact portions of the Southwest and Southeast. Read More >

Hazardous Weather Conditions

Heat Advisory in effect from July 11, 12:00 PM MDT until July 13, 09:00 PM MDT

Current conditions at

ROCKY BOY (ROCM8)

Lat: 48.17478°NLon: 109.64728°WElev: 4700.0ft.

80°F

27°C

Humidity	NA
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	N/A
Visibility	NA
Last update	NA

More Information:

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

Extended Forecast for

13 Miles SSW Rocky Boy MT

Heat Advisory July 11, 12:00pm until July 13, 09:00pm

Click here for hazard details and duration

Heat Advisory

Tonight
Low: 64 °F
Mostly Clear
Saturday
High: 94 °F
Sunny
Saturday Night
Low: 66 °F
Mostly Clear
Sunday
High: 95 °F
Mostly Sunny
Sunday Night
Low: 66 °F
Mostly Cloudy
Monday
High: 91 °F
Mostly Sunny
Monday Night
Low: 69 °F
Partly Cloudy
then Slight
Chance
Showers
Tuesday
High: 84 °F
Chance
Showers then
Slight Chance
T-storms
Tuesday Night
Low: 63 °F
Showers
Likely

Detailed Forecast

Tonight

Mostly clear, with a low around 64. West wind 5 to 11 mph becoming east in the evening.

Saturday

Sunny, with a high near 94. East southeast wind 10 to 16 mph becoming west in the afternoon. Winds could gust as high as 25 mph.

Saturday Night

Mostly clear, with a low around 66. West wind 8 to 14 mph becoming east after midnight. Winds could gust as high as 21 mph.

Sunday

Mostly sunny, with a high near 95. East wind 9 to 15 mph becoming west in the afternoon. Winds could gust as high as 28 mph.

Sunday Night

Mostly cloudy, with a low around 66. North northwest wind 9 to 14 mph becoming light north northeast after midnight. Winds could gust as high as 23 mph.

Monday

Mostly sunny, with a high near 91. Light and variable wind becoming southeast around 6 mph in the afternoon.

Monday Night

A 20 percent chance of showers after midnight. Partly cloudy, with a low around 69. East wind 7 to 10 mph, with gusts as high as 22 mph.

Tuesday

A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 84. Northeast wind around 10 mph, with gusts as high as 22 mph.

Tuesday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63.

Wednesday

A chance of showers, mainly before noon. Partly sunny, with a high near 81.

Wednesday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 61.

Thursday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 80.

Thursday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 62.

Friday

Sunny, with a high near 82.