Current Weather Forecast for Eureka

SD 57437  |   12:21am

Weather Conditions

-2°

Feels Like -22°

Fair

-4° 25°

0

UV Index

Good

Air Quality

NW 16 mph

Wind

0 in

snow

Tonight

Sun 1/18

-7°

Lowest Temperature

2%

Some clouds. Very cold. Low -7F. Winds NW at 10 to 20 mph.

Tomorrow

Mon 1/19

11°

Highest Temperature

4%

Overcast. High 11F. Winds WNW at 10 to 20 mph.

Tomorrow night

Mon 1/19

-3°

Lowest Temperature

10%

Partly cloudy skies early will become overcast later during the night. Low -3F. Winds W at 5 to 10 mph.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in Eureka

Hourly Weather Forecast & Temperature

1AM

2%

-3°

Feels Like -23°

Mostly Clear

NW 16 mph

Wind

1036 mb

Pressure

69%

Humidity

0

UV Index

10mi

Visibility

23%

Cloud Cover

2AM

2%

-4°

Feels Like -24°

Partly Cloudy

NW 14 mph

Wind

1036 mb

Pressure

71%

Humidity

0

UV Index

10mi

Visibility

33%

Cloud Cover

3AM

2%

-4°

Feels Like -24°

Partly Cloudy

NW 14 mph

Wind

1036 mb

Pressure

72%

Humidity

0

UV Index

10mi

Visibility

30%

Cloud Cover

4AM

2%

-6°

Feels Like -26°

Partly Cloudy

NW 13 mph

Wind

1036 mb

Pressure

78%

Humidity

0

UV Index

10mi

Visibility

43%

Cloud Cover

5AM

2%

-6°

Feels Like -26°

Partly Cloudy

NW 13 mph

Wind

1035 mb

Pressure

78%

Humidity

0

UV Index

10mi

Visibility

41%

Cloud Cover

6AM

2%

-6°

Feels Like -24°

Partly Cloudy

WNW 12 mph

Wind

1035 mb

Pressure

77%

Humidity

0

UV Index

10mi

Visibility

46%

Cloud Cover

7AM

2%

-6°

Feels Like -24°

Mostly Cloudy

WNW 11 mph

Wind

1034 mb

Pressure

79%

Humidity

0

UV Index

10mi

Visibility

60%

Cloud Cover

8AM

4%

-5°

Feels Like -23°

Cloudy

WNW 11 mph

Wind

1033 mb

Pressure

77%

Humidity

0

UV Index

10mi

Visibility

81%

Cloud Cover

9AM

3%

-4°

Feels Like -22°

Cloudy

WNW 12 mph

Wind

1033 mb

Pressure

77%

Humidity

0

UV Index

10mi

Visibility

88%

Cloud Cover

10AM

3%

-1°

Feels Like -20°

Cloudy

WNW 13 mph

Wind

1032 mb

Pressure

73%

Humidity

0

UV Index

10mi

Visibility

91%

Cloud Cover

11AM

1%

1°

Feels Like -17°

Cloudy

WNW 13 mph

Wind

1031 mb

Pressure

69%

Humidity

0

UV Index

10mi

Visibility

88%

Cloud Cover

12PM

1%

3°

Feels Like -15°

Cloudy

WNW 14 mph

Wind

1030 mb

Pressure

66%

Humidity

0

UV Index

10mi

Visibility

93%

Cloud Cover

Sun 1/18

Sun

2%

-4°

25°

Partly cloudy. Lows overnight -9 to -5F.

-26°

Feels Like

NW 16 mph

Wind

73%

Humidity

0

UV Index

8:13 AM

Sunrise

5:25 PM

Sunset

Mon 1/19

Mon

4%

-7°

10°

Cloudy. Highs in the low teens and lows -5 to -1F.

-24°

Feels Like

WNW 15 mph

Wind

70%

Humidity

1

UV Index

8:12 AM

Sunrise

5:26 PM

Sunset

Tue 1/20

Tue

68%

-3°

20°

Periods of snow. Highs in the low 20s and lows in the low teens.

-7°

Feels Like

SSW 11 mph

Wind

91%

Humidity

1

UV Index

8:11 AM

Sunrise

5:27 PM

Sunset

Wed 1/21

Wed

54%

6°

19°

Windy, chance of snow showers in the morning. Highs in the upper teens and lows in the low single digits.

-7°

Feels Like

NW 27 mph

Wind

82%

Humidity

1

UV Index

8:11 AM

Sunrise

5:29 PM

Sunset

Thu 1/22

Thu

9%

-10°

8°

Mostly cloudy. Highs in the mid single digits and lows -18 to -14F.

-19°

Feels Like

NNW 16 mph

Wind

77%

Humidity

1

UV Index

8:10 AM

Sunrise

5:30 PM

Sunset

Fri 1/23

Fri

4%

-16°

-6°

Mix of sun and clouds. Highs -8 to -4F and lows -15 to -11F.

-28°

Feels Like

N 8 mph

Wind

64%

Humidity

1

UV Index

8:09 AM

Sunrise

5:31 PM

Sunset

Sat 1/24

Sat

5%

-13°

5°

Mix of sun and clouds. Highs in the mid single digits and lows -3 to 1F.

-26°

Feels Like

SSE 11 mph

Wind

74%

Humidity

1

UV Index

8:08 AM

Sunrise

5:33 PM

Sunset

Sun 1/25

Sun

5%

-1°

18°

Times of sun and clouds. Highs in the upper teens and lows -4 to 0F.

-12°

Feels Like

NW 13 mph

Wind

80%

Humidity

1

UV Index

8:07 AM

Sunrise

5:34 PM

Sunset

Need to see beyond 12 Hours?

Find more forecast on the FREE FOX WEATHER App

GO TO APP STORE

Latest Stories from South Dakota

Pair of cross-country storms to bring rain, snow and severe weather threat to millions by late week

Two cross-country storms are expected to bring rain to millions across more than 30 states beginning Thursday, packing a severe weather threat for the Deep South and the potential for snow from the higher elevations of the Four Corners through the Central Plains and Upper Midwest.

See the top 5 wildest moments in weather caught on camera live from the field in 2025

The year 2025 has been filled with plenty of ups and downs in the world of weather, but not without some interesting moments caught on camera.

Christmas weather outlook: Millions to see 'nice' forecast with a touch of 'naughty' across nation

Naughty or nice, how will the weather be in your region on Christmas Day?

Blizzards: What are they and when do they occur?

Blizzards are known to be dangerous winter storms that cause blowing snow and strong winds, resulting in very low visibility. A blizzard is achieved when winds are at 35 mph or higher for three or more hours with visibility less than a quarter of a mile.

Load More Stories