Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

A significant, long-duration winter storm will bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Widespread travel disruptions, prolonged power outages, and vast tree damage is likely. Frigid temperatures, gusty winds, and dangerous wind chills will expand from the north-central US to the Southern Plains, MS Valley, and Midwest. Read More >

Hazardous Weather Conditions

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Light Snow

-4°F

-20°C

Humidity	71%
Wind Speed	NE 10 mph
Barometer	30.50 in (1039.8 mb)
Dewpoint	-11°F (-24°C)
Visibility	5.00 mi
Wind Chill	-21°F (-29°C)
Last update	23 Jan 12:52 am MST

More Information:

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

Extended Forecast for

Hermosa SD

Cold Weather Advisory January 23, 01:35am until January 23, 12:00pm

Click here for hazard details and duration

Cold Weather Advisory

Cold Weather Advisory January 23, 01:35am until January 23, 12:00pm
NOW until 12:00pm Fri
Cold Weather Advisory
Overnight
Low: -10 °F
Chance Snow
Friday
High: -1 °F
Chance Snow
Friday Night
Low: -12 °F
Gradual
Clearing
Saturday
High: 22 °F
Sunny
Saturday Night
Low: -2 °F
Partly Cloudy
Sunday
High: 14 °F
Mostly Sunny
Sunday Night
Low: -4 °F
Mostly Clear
Monday
High: 44 °F
Sunny

Detailed Forecast

Overnight

A 40 percent chance of snow. Mostly cloudy, with a low around -10. Wind chill values as low as -23. Northeast wind 6 to 8 mph. Total nighttime snow accumulation of less than a half inch possible.

Friday

A 50 percent chance of snow. Cloudy and cold, with a high near -1. Wind chill values as low as -23. Southeast wind 5 to 9 mph, with gusts as high as 17 mph. New snow accumulation of less than a half inch possible.

Friday Night

Cloudy during the early evening, then gradual clearing, with a low around -12. Southeast wind around 6 mph becoming calm in the evening.

Saturday

Sunny, with a high near 22. Wind chill values as low as -17. Light and variable wind becoming south 5 to 7 mph in the morning. Winds could gust as high as 16 mph.

Saturday Night

Partly cloudy, with a low around -2. North wind around 6 mph.

Sunday

Mostly sunny, with a high near 14. North wind 6 to 8 mph, with gusts as high as 18 mph.

Sunday Night

Mostly clear, with a low around -4. Southwest wind 5 to 9 mph, with gusts as high as 17 mph.

Monday

Sunny, with a high near 44. Northwest wind 8 to 13 mph, with gusts as high as 25 mph.

Monday Night

Partly cloudy, with a low around 14.

Tuesday

Partly sunny, with a high near 35.