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 >

Current conditions at

ROCKY BOY (RCBM8)

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

32°F

0°C

Humidity	91%
Wind Speed	ENE 3 MPH
Barometer	NA
Dewpoint	30°F (-1°C)
Visibility	NA
Last update	11 Oct 05:18 PM MDT

More Information:

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

Extended Forecast for

Box Elder MT

This Afternoon
High: 37 °F
Snow
Tonight
Low: 25 °F
Snow then
Rain/Snow
Columbus Day
High: 36 °F
Chance
Rain/Snow
then Cloudy
Monday Night
Low: 21 °F
Decreasing
Clouds
Tuesday
High: 45 °F
Mostly Sunny
Tuesday Night
Low: 23 °F
Mostly Clear
Wednesday
High: 57 °F
Sunny
Wednesday Night
Low: 29 °F
Partly Cloudy
Thursday
High: 57 °F
Sunny

Detailed Forecast

This Afternoon

Snow. High near 37. Northeast wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than a half inch possible.

Tonight

Snow before 5am, then rain and snow likely. Low around 25. Northeast wind 9 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Columbus Day

A chance of rain and snow, mainly before 8am. Cloudy, with a high near 36. North northeast wind 5 to 8 mph becoming light and variable. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

Monday Night

Cloudy, then gradually becoming partly cloudy, with a low around 21. South wind 5 to 7 mph.

Tuesday

Mostly sunny, with a high near 45. South southwest wind 5 to 8 mph.

Tuesday Night

Mostly clear, with a low around 23. Calm wind becoming south around 5 mph in the evening.

Wednesday

Sunny, with a high near 57. South southwest wind 3 to 8 mph.

Wednesday Night

Partly cloudy, with a low around 29. South southwest wind around 6 mph.

Thursday

Sunny, with a high near 57.