Hourly Weather Forecast - Chester, SD

12 AM
30°F
10%
10mph
S
Clear
Humidity
86%
Feels like
22°F
Dew Point
27°F
1 AM
30°F
10%
10mph
S
Clear
Humidity
85%
Feels like
21°F
Dew Point
26°F
2 AM
30°F
10%
10mph
SSW
Clear
Humidity
84%
Feels like
21°F
Dew Point
26°F
3 AM
29°F
10%
9mph
SSW
Clear
Humidity
83%
Feels like
21°F
Dew Point
25°F
4 AM
29°F
10%
9mph
SW
Mostly Clear
Humidity
82%
Feels like
21°F
Dew Point
24°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

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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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