Tracking Areas of Fire Weather, Winter Weather, and Severe Weather Thursday

Continuation of gusty winds and low relative humidity will bring additional periods of critical fire weather to the southern Plains Thursday and Friday. Another Pacific storm will continue gusty winds and heavy snow over the western mountains into Thursday. Severe thunderstorms are possible across parts of the middle Mississippi into lower Ohio Valleys Thursday afternoon into early evening. Read More >

Hazardous Weather Conditions

Cold Weather Advisory until February 19, 12:00 PM MST

Current conditions at

ROCKY BOY (RCBM8)

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

-9°F

-23°C

Humidity	68%
Wind Speed	NW 1 MPH
Barometer	NA
Dewpoint	-17°F (-27°C)
Visibility	NA
Last update	19 Feb 12:18 AM MST

More Information:

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

Extended Forecast for

4 Miles ESE Big Sandy MT

Cold Weather Advisory February 19, 01:27am until February 19, 12:00pm

Click here for hazard details and duration

Cold Weather Advisory

Cold Weather Advisory February 19, 01:27am until February 19, 12:00pm
NOW until 12:00pm Thu
Cold Weather Advisory
Overnight
Low: -13 °F
Chance Snow
Thursday
High: 9 °F
Chance Snow
then Partly
Sunny
Thursday Night
Low: -6 °F
Mostly Clear
Friday
High: 22 °F
Mostly Sunny
Friday Night
Low: 2 °F
Mostly Cloudy
Saturday
High: 26 °F
Mostly Sunny
Saturday Night
Low: 5 °F
Partly Cloudy
Sunday
High: 28 °F
Mostly Cloudy

Detailed Forecast

Overnight

A 40 percent chance of snow. Cloudy, with a low around -13. Wind chill values as low as -30. North northwest wind 6 to 8 mph. Total nighttime snow accumulation of 1 to 2 inches possible.

Thursday

A 40 percent chance of snow, mainly before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 9. Wind chill values as low as -25. North wind around 5 mph becoming light and variable in the morning. New snow accumulation of less than a half inch possible.

Thursday Night

Mostly clear, with a low around -6. Wind chill values as low as -15. Calm wind becoming east around 5 mph.

Friday

Mostly sunny, with a high near 22. Wind chill values as low as -10. Light and variable wind becoming south around 5 mph in the afternoon.

Friday Night

Mostly cloudy, with a low around 2. Calm wind.

Saturday

Mostly sunny, with a high near 26. Light and variable wind.

Saturday Night

Partly cloudy, with a low around 5. Light and variable wind becoming east around 6 mph in the evening.

Sunday

Mostly cloudy, with a high near 28. East southeast wind 6 to 10 mph, with gusts as high as 18 mph.