Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Hazardous Weather Conditions

Winter Weather Advisory until October 12, 06:00 AM MDT

Current conditions at

ROCKY BOY (RCBM8)

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

32°F

0°C

Humidity	94%
Wind Speed	E 1 MPH
Barometer	NA
Dewpoint	30°F (-1°C)
Visibility	NA
Last update	11 Oct 06:18 AM MDT

More Information:

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

Extended Forecast for

Rocky Boy MT

Winter Weather Advisory October 11, 07:03am until October 12, 06:00am

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory October 11, 07:03am until October 12, 06:00am
NOW until 6:00am Mon
Winter Weather Advisory
Today
High: 36 °F
Rain/Snow
Tonight
Low: 24 °F
Rain/Snow
then Snow
Columbus Day
High: 39 °F
Snow then
Slight Chance
Rain/Snow
Monday Night
Low: 23 °F
Gradual
Clearing
Tuesday
High: 46 °F
Sunny
Tuesday Night
Low: 25 °F
Mostly Clear
Wednesday
High: 52 °F
Sunny
Wednesday Night
Low: 30 °F
Partly Cloudy

Detailed Forecast

Today

Snow, possibly mixed with rain. High near 36. East northeast wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than one inch possible.

Tonight

Snow, possibly mixed with rain, becoming all snow after 7pm. Low around 24. East northeast wind 5 to 8 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Columbus Day

Snow, possibly mixing with rain after noon, then gradually ending. High near 39. Light and variable wind. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

Monday Night

Cloudy during the early evening, then gradual clearing, with a low around 23. Light and variable wind.

Tuesday

Sunny, with a high near 46. Calm wind becoming west southwest around 5 mph.

Tuesday Night

Mostly clear, with a low around 25. Calm wind.

Wednesday

Sunny, with a high near 52. Calm wind becoming southwest around 5 mph in the afternoon.

Wednesday Night

Partly cloudy, with a low around 30. Southwest wind 3 to 6 mph.

Thursday

Mostly sunny, with a high near 51.