Hourly Weather Forecast - Eureka, SD

12 AM
24°F
20%
8mph
NE
Foggy
Humidity
100%
Feels like
15°F
Dew Point
24°F
1 AM
23°F
20%
7mph
ENE
Foggy
Humidity
100%
Feels like
15°F
Dew Point
23°F
2 AM
23°F
30%
7mph
E
30 % Chance of Heavy Snow
Humidity
100%
Feels like
15°F
Dew Point
23°F
3 AM
23°F
20%
7mph
E
Foggy
Humidity
100%
Feels like
15°F
Dew Point
23°F
4 AM
24°F
10%
8mph
E
Foggy
Humidity
99%
Feels like
15°F
Dew Point
24°F
5 AM
25°F
10%
8mph
E
Partly Cloudy
Humidity
96%
Feels like
17°F
Dew Point
24°F
6 AM
26°F
10%
9mph
E
Partly Cloudy
Humidity
93%
Feels like
17°F
Dew Point
24°F
7 AM
26°F
10%
9mph
ESE
Mostly Cloudy
Humidity
85%
Feels like
17°F
Dew Point
22°F
8 AM
26°F
10%
10mph
ESE
Mostly Cloudy
Humidity
83%
Feels like
16°F
Dew Point
21°F
8:18 AM
9 AM
26°F
10%
11mph
ESE
Mostly Cloudy
Humidity
85%
Feels like
16°F
Dew Point
22°F
10 AM
26°F
10%
11mph
ESE
Cloudy
Humidity
84%
Feels like
15°F
Dew Point
22°F
11 AM
26°F
10%
12mph
ESE
Cloudy
Humidity
84%
Feels like
15°F
Dew Point
22°F
12 PM
27°F
10%
13mph
ESE
Cloudy
Humidity
82%
Feels like
16°F
Dew Point
22°F
1 PM
28°F
20%
13mph
ESE
Cloudy
Humidity
82%
Feels like
18°F
Dew Point
24°F
2 PM
29°F
30%
12mph
SE
30% Chance of Flurries
Humidity
83%
Feels like
20°F
Dew Point
25°F
3 PM
30°F
30%
11mph
SE
30% Chance of Flurries
Humidity
85%
Feels like
21°F
Dew Point
26°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

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

NOAA, NCDC

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Sunday's Weather Outlook

Sunday'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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