Heat Wave Continues in the Northeastern Quarter of the U.S.; Excessive Rain May Bring Flooding in the North Central U.S.

The heat wave is expected to peak in the eastern Great Lakes and New England today, and the Ohio Valley and Mid-Atlantic Friday into the weekend. Widespread daily record high temperatures are likely. Heavy to excessive rainfall will be associated with thunderstorms forecast to move across parts of the northern Plains and Upper Midwest today into Friday. Read More >

Current conditions at

ROCKY BOY (ROCM8)

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

NA°F

9°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

9 Miles WSW Lloyd MT

This Afternoon
High: 70 °F
Slight Chance
T-storms
Tonight
Low: 51 °F
Slight Chance
T-storms then
Chance
Showers
Friday
High: 70 °F
Showers
Likely then
Showers
Friday Night
Low: 48 °F
Showers
Likely then
Mostly Clear
Saturday
High: 74 °F
Sunny
Saturday Night
Low: 54 °F
Partly Cloudy
Sunday
High: 83 °F
Sunny
Sunday Night
Low: 55 °F
Mostly Clear
Monday
High: 75 °F
Sunny

Detailed Forecast

This Afternoon

A slight chance of showers before 2pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 70. Southeast wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

Tonight

A 30 percent chance of showers and thunderstorms, mainly after 5am. Increasing clouds, with a low around 51. Southeast wind 6 to 10 mph.

Friday

Showers and possibly a thunderstorm. High near 70. East southeast wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night

Showers likely and possibly a thunderstorm before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 48. East southeast wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 60%.

Saturday

Sunny, with a high near 74. West northwest wind 5 to 10 mph.

Saturday Night

Partly cloudy, with a low around 54. West northwest wind around 6 mph becoming light and variable.

Sunday

Sunny, with a high near 83. South southeast wind 7 to 11 mph, with gusts as high as 20 mph.

Sunday Night

Mostly clear, with a low around 55. West wind around 10 mph, with gusts as high as 22 mph.

Monday

Sunny, with a high near 75.

Monday Night

Mostly clear, with a low around 51.