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 until August 27, 10:00 PM MDT

Current conditions at

ROCKY BOY (RCBM8)

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

67°F

19°C

Humidity	58%
Wind Speed	ESE 6 MPH
Barometer	NA
Dewpoint	52°F (11°C)
Visibility	NA
Last update	27 Aug 08:18 PM MDT

More Information:

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

Extended Forecast for

4 Miles NW Rocky Boy MT

Severe T-storm Watch August 27, 08:33pm until August 27, 10:00pm

Click here for hazard details and duration

...

Severe T-storm Watch August 27, 08:33pm until August 27, 10:00pm
NOW until 10:00pm Thu
Severe T-storm Watch
Tonight
Low: 63 °F
Severe
Thunderstorms
then Partly
Cloudy
Friday
High: 86 °F
Increasing
Clouds
Friday Night
Low: 60 °F
Mostly Cloudy
then Patchy
Smoke
Saturday
High: 79 °F
Patchy Smoke
then Slight
Chance
Showers
Saturday Night
Low: 52 °F
Showers
Likely
Sunday
High: 69 °F
Showers
Likely
Sunday Night
Low: 48 °F
Slight Chance
Showers
Monday
High: 74 °F
Sunny

Detailed Forecast

Tonight

A 40 percent chance of showers and thunderstorms before 9pm. Some of the storms could be severe. Mostly cloudy, then gradually becoming mostly clear, with a low around 63. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

Friday

Increasing clouds, with a high near 86. Light and variable wind becoming south southwest 5 to 7 mph in the morning.

Friday Night

Patchy smoke after 1am. Mostly cloudy, with a low around 60. South wind 5 to 7 mph becoming calm after midnight.

Saturday

A 20 percent chance of showers after noon. Patchy smoke before 7am. Mostly cloudy, with a high near 79. Calm wind becoming west 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 52. South wind 3 to 6 mph. Chance of precipitation is 70%.

Sunday

Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 69. Light west southwest wind becoming west 11 to 16 mph in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 60%.

Sunday Night

A 20 percent chance of showers. Partly cloudy, with a low around 48. Southwest wind 9 to 16 mph, with gusts as high as 30 mph.

Monday

Sunny, with a high near 74. West wind 8 to 10 mph, with gusts as high as 20 mph.

Monday Night

Mostly clear, with a low around 53.

Tuesday

Sunny, with a high near 81.

Tuesday Night

Partly cloudy, with a low around 55.

Wednesday

Mostly sunny, with a high near 78.