Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Hazardous Weather Conditions

Severe Thunderstorm Watch in effect from August 27, 04:55 PM MDT until August 27, 10:00 PM MDT

Current conditions at

ROCKY BOY (RCBM8)

Lat: 48.25529°NLon: 109.78592°WElev: 3789.0ft.

85°F

29°C

Humidity	21%
Wind Speed	ESE 4 MPH
Barometer	NA
Dewpoint	41°F (5°C)
Visibility	NA
Heat Index	82°F (28°C)
Last update	27 Aug 06:18 PM MDT

More Information:

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

Extended Forecast for

3 Miles ESE Rocky Boy MT

Severe T-storm Watch until August 27, 10:00pm

Click here for hazard details and duration

...

Severe T-storm Watch until August 27, 10:00pm
NOW until 10:00pm Thu
Severe T-storm Watch
Tonight
Low: 59 °F
Severe
Thunderstorms
then Partly
Cloudy
Friday
High: 83 °F
Increasing
Clouds
Friday Night
Low: 56 °F
Mostly Cloudy
then Patchy
Smoke
Saturday
High: 76 °F
Patchy Smoke
then Chance
Showers
Saturday Night
Low: 49 °F
Showers
Likely
Sunday
High: 66 °F
Showers
Likely then
Chance
Showers
Sunday Night
Low: 44 °F
Slight Chance
Showers
Monday
High: 71 °F
Sunny

Detailed Forecast

Tonight

A 40 percent chance of showers and thunderstorms before 9pm. Some of the storms could be severe. Cloudy during the early evening, then gradual clearing, with a low around 59. South southeast wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.

Friday

Increasing clouds, with a high near 83. West southwest wind 3 to 7 mph.

Friday Night

Patchy smoke after 2am. Cloudy, then gradually becoming partly cloudy, with a low around 56. South wind around 6 mph becoming calm after midnight.

Saturday

A 30 percent chance of showers after noon. Patchy smoke before 7am. Mostly cloudy, with a high near 76. Calm wind becoming northwest around 6 mph in the afternoon.

Saturday Night

Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and 3am, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 49. South wind 3 to 5 mph. Chance of precipitation is 70%.

Sunday

Showers likely, with thunderstorms also possible after noon. Partly sunny, with a high near 66. West southwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.

Sunday Night

A 20 percent chance of showers. Partly cloudy, with a low around 44. West southwest wind 8 to 15 mph, with gusts as high as 29 mph.

Monday

Sunny, with a high near 71. West wind around 9 mph, with gusts as high as 21 mph.

Monday Night

Mostly clear, with a low around 50.

Tuesday

Sunny, with a high near 79.

Tuesday Night

A slight chance of showers. Partly cloudy, with a low around 51.

Wednesday

Mostly sunny, with a high near 76.