Hourly Weather Forecast - Rapid City, SD

12 AM
43°F
10%
12mph
W
Mostly Clear
Humidity
46%
Feels like
36°F
Dew Point
23°F
1 AM
42°F
10%
13mph
W
Mostly Clear
Humidity
46%
Feels like
35°F
Dew Point
22°F
2 AM
40°F
10%
13mph
W
Partly Cloudy
Humidity
48%
Feels like
32°F
Dew Point
22°F
3 AM
38°F
10%
13mph
WNW
Mostly Clear
Humidity
49%
Feels like
31°F
Dew Point
21°F

Rain And Snow Totals Through Monday

Atmospheric River Impacts Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California through Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Today's Weather Outlook

Today's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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