Current Weather Forecast for Gann Valley

SD 57341  |   12:57pm

Weather Conditions

10°

Feels Like -6°

Mostly Cloudy

-7° 16°

1

UV Index

Good

Air Quality

W 13 mph

Wind

0 in

snow

Today

Mon 1/19

16°

Highest Temperature

8%

Overcast. High 16F. Winds WNW at 10 to 15 mph.

Tonight

Mon 1/19

1°

Lowest Temperature

8%

Partly to mostly cloudy. Low 1F. Winds light and variable.

Tomorrow

Tue 1/20

26°

Highest Temperature

33%

Cloudy skies early. A few snow showers developing later in the day. High 26F. Winds SSE at 10 to 15 mph. Chance of snow 30%.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in Gann Valley

Hourly Weather Forecast & Temperature

1PM

10°

Feels Like -6°

Cloudy

W 13 mph

Wind

1031 mb

Pressure

55%

Humidity

1

UV Index

10mi

Visibility

92%

Cloud Cover

2PM

12°

Feels Like -3°

Cloudy

WNW 13 mph

Wind

1030 mb

Pressure

55%

Humidity

1

UV Index

10mi

Visibility

100%

Cloud Cover

3PM

1%

13°

Feels Like -1°

Cloudy

WNW 12 mph

Wind

1028 mb

Pressure

55%

Humidity

0

UV Index

10mi

Visibility

96%

Cloud Cover

4PM

8%

14°

Feels Like 1°

Cloudy

WNW 11 mph

Wind

1028 mb

Pressure

58%

Humidity

0

UV Index

10mi

Visibility

92%

Cloud Cover

5PM

7%

13°

Feels Like 1°

Cloudy

NW 9 mph

Wind

1027 mb

Pressure

62%

Humidity

0

UV Index

10mi

Visibility

89%

Cloud Cover

6PM

2%

11°

Feels Like 2°

Mostly Cloudy

NW 6 mph

Wind

1027 mb

Pressure

69%

Humidity

0

UV Index

10mi

Visibility

75%

Cloud Cover

7PM

2%

10°

Feels Like 2°

Partly Cloudy

NNW 4 mph

Wind

1028 mb

Pressure

74%

Humidity

0

UV Index

10mi

Visibility

59%

Cloud Cover

8PM

5%

7°

Feels Like 7°

Partly Cloudy

NNW 3 mph

Wind

1028 mb

Pressure

80%

Humidity

0

UV Index

10mi

Visibility

54%

Cloud Cover

9PM

6%

6°

Feels Like 6°

Mostly Cloudy

NNW 2 mph

Wind

1028 mb

Pressure

83%

Humidity

0

UV Index

10mi

Visibility

60%

Cloud Cover

10PM

7%

5°

Feels Like 5°

Mostly Cloudy

NW 2 mph

Wind

1028 mb

Pressure

86%

Humidity

0

UV Index

10mi

Visibility

69%

Cloud Cover

11PM

7%

4°

Feels Like 4°

Mostly Cloudy

NW 3 mph

Wind

1028 mb

Pressure

86%

Humidity

0

UV Index

10mi

Visibility

67%

Cloud Cover

12AM

7%

3°

Feels Like 3°

Mostly Cloudy

WSW 3 mph

Wind

1028 mb

Pressure

88%

Humidity

0

UV Index

10mi

Visibility

65%

Cloud Cover

Mon 1/19

Mon

8%

-7°

16°

Cloudy. Highs in the mid teens and lows in the low single digits.

-6°

Feels Like

WNW 13 mph

Wind

57%

Humidity

1

UV Index

8:04 AM

Sunrise

5:29 PM

Sunset

Tue 1/20

Tue

33%

1°

26°

Afternoon snow showers. Highs in the mid 20s and lows in the mid teens.

-5°

Feels Like

SSE 10 mph

Wind

80%

Humidity

1

UV Index

8:04 AM

Sunrise

5:30 PM

Sunset

Wed 1/21

Wed

24%

7°

29°

Windy with times of sun and clouds. Highs in the upper 20s and lows in the mid single digits.

3°

Feels Like

WNW 29 mph

Wind

75%

Humidity

1

UV Index

8:03 AM

Sunrise

5:31 PM

Sunset

Thu 1/22

Thu

8%

-6°

17°

Partly cloudy. Highs in the upper teens and lows -14 to -10F.

-7°

Feels Like

NW 15 mph

Wind

71%

Humidity

1

UV Index

8:02 AM

Sunrise

5:33 PM

Sunset

Fri 1/23

Fri

2%

-12°

-2°

Mix of sun and clouds. Highs -4 to 0F and lows -12 to -8F.

-26°

Feels Like

NE 8 mph

Wind

57%

Humidity

1

UV Index

8:01 AM

Sunrise

5:34 PM

Sunset

Sat 1/24

Sat

3%

-10°

13°

Partly cloudy. Highs in the low teens and lows -2 to 2F.

-21°

Feels Like

SE 10 mph

Wind

69%

Humidity

2

UV Index

8:01 AM

Sunrise

5:35 PM

Sunset

Sun 1/25

Sun

5%

0°

25°

Times of sun and clouds. Highs in the mid 20s and lows in the mid single digits.

-9°

Feels Like

WSW 11 mph

Wind

72%

Humidity

2

UV Index

8:00 AM

Sunrise

5:37 PM

Sunset

Mon 1/26

Mon

10%

5°

22°

Partly cloudy. Highs in the low 20s and lows in the mid single digits.

-6°

Feels Like

NNE 11 mph

Wind

71%

Humidity

2

UV Index

7:59 AM

Sunrise

5:38 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