Hazardous Spring Weather Shifts to the Eastern and Northwest U.S. Wednesday

Isolated to scattered severe thunderstorms are expected Wednesday from the ArkLaTex and Lower Mississippi Valley northeastward through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat from east Texas into Upstate New York. A moderate atmospheric river will bring heavy snow and high winds to the Northwest U.S. Read More >

Hazardous Weather Conditions

High Wind Warning in effect from March 12, 03:00 AM MDT until March 12, 06:00 PM MDT
Winter Storm Watch in effect from March 12, 06:00 PM MDT until March 14, 06:00 PM MDT

Current conditions at

ROCKY BOY (ROCM8)

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

19°F

-7°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

20 Miles S Lloyd MT

Winter Storm Watch March 12, 06:00pm until March 14, 06:00pm

High Wind Warning March 12, 03:00am until March 12, 06:00pm

Click here for hazard details and duration

Winter Storm Watch

High Wind Warning

Overnight
Low: 18 °F
Mostly Clear
Wednesday
High: 40 °F
Slight Chance
Snow then
Mostly Sunny
Wednesday Night
Low: 30 °F
Snow Likely
then
Rain/Snow
Likely and
Breezy
Thursday
High: 43 °F
Windy.
Rain/Snow
then Snow
Likely
Thursday Night
Low: 24 °F
Snow
Friday
High: 31 °F
Snow
Friday Night
Low: 20 °F
Snow
Saturday
High: 27 °F
Snow
Saturday Night
Low: 9 °F
Snow Likely

Detailed Forecast

Overnight

Mostly clear, with a low around 18. West wind around 8 mph.

Wednesday

A slight chance of snow between 9am and 10am. Mostly sunny, with a high near 40. West wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 20%.

Wednesday Night

Snow likely, possibly mixing with rain after 3am, then gradually ending. Mostly cloudy, with a low around 30. Breezy, with a south wind 7 to 12 mph becoming west southwest 18 to 23 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Thursday

Rain before 9am, then snow. High near 43. Windy, with a west wind 26 to 34 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Thursday Night

Snow. Low around 24. Northwest wind 8 to 16 mph becoming southwest after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Friday

Snow. High near 31. West northwest wind 9 to 11 mph becoming north in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Friday Night

Snow. Low around 20. East wind around 8 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Saturday

Snow. Cloudy, with a high near 27. East wind 8 to 11 mph, with gusts as high as 22 mph.

Saturday Night

Snow likely, mainly before midnight. Mostly cloudy, with a low around 9.

Sunday

A slight chance of snow. Partly sunny, with a high near 26.

Sunday Night

A chance of snow. Mostly cloudy, with a low around 16.

Monday

A chance of rain and snow. Mostly cloudy, with a high near 41.