Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Hazardous Weather Conditions

High Wind Warning in effect from December 9, 08:00 AM MST until December 10, 02:00 AM MST

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

Lat: 44.05°NLon: 103.05°WElev: 3202ft.

Fair

52°F

11°C

Humidity	32%
Wind Speed	NW 18 G 28 mph
Barometer	29.94 in (1015.6 mb)
Dewpoint	23°F (-5°C)
Visibility	10.00 mi
Wind Chill	47°F (8°C)
Last update	8 Dec 1:52 pm MST

More Information:

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

Extended Forecast for

Ellsworth Air Force Base SD

High Wind Warning December 9, 08:00am until December 10, 02:00am

Click here for hazard details and duration

High Wind Warning

This Afternoon
High: 50 °F
Partly Sunny
Tonight
Low: 30 °F
Mostly Cloudy
Tuesday
High: 60 °F
Chance Rain
and Very
Windy
Tuesday Night
Low: 27 °F
Mostly Cloudy
and Blustery
then Mostly
Cloudy
Wednesday
High: 41 °F
Snow Likely
then
Rain/Snow
Likely
Wednesday Night
Low: 26 °F
Rain Likely
Thursday
High: 39 °F
Rain/Snow
Likely
Thursday Night
Low: 9 °F
Snow Likely
Friday
High: 16 °F
Chance Snow

Detailed Forecast

This Afternoon

Partly sunny, with a high near 50. West wind 11 to 16 mph, with gusts as high as 29 mph.

Tonight

Mostly cloudy, with a low around 30. Southwest wind 9 to 13 mph.

Tuesday

A 30 percent chance of rain after 11am. Mostly sunny, with a high near 60. Very windy, with a northwest wind 17 to 27 mph increasing to 30 to 40 mph in the afternoon. Winds could gust as high as 60 mph.

Tuesday Night

Mostly cloudy, with a low around 27. Blustery, with a northwest wind 23 to 28 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 41 mph.

Wednesday

Snow likely before 1pm, then rain and snow likely between 1pm and 3pm, then rain likely after 3pm. Cloudy, with a high near 41. Southwest wind 7 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Wednesday Night

Rain likely, mainly before 11pm. Mostly cloudy, with a low around 26. Southwest wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 70%.

Thursday

Rain and snow likely, becoming all snow after 2pm. Mostly cloudy, with a high near 39. Northwest wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.

Thursday Night

Snow likely. Mostly cloudy, with a low around 9. North wind 13 to 16 mph, with gusts as high as 29 mph.

Friday

A chance of snow. Mostly cloudy, with a high near 16.

Friday Night

A chance of snow. Mostly cloudy, with a low around 6.

Saturday

A slight chance of snow. Partly sunny, with a high near 27.

Saturday Night

Partly cloudy, with a low around 12.

Sunday

Mostly sunny, with a high near 42.