How is the weather in Gann Valley, SD?

At 10:55 AM on Sun, Sep 7, 2025 it is 65 degrees Fahrenheit, feeling like 65 degrees.

Gann Valley, SD Weather Forecast and Current Conditions (57341)

65°F
Feels Like 65°F

Humidity 52% Dew Point 47°F Wind ESE 3 MPH Gusts 4 Barometer 30.25 in.768.3 mm

Solar Rad 438 w/m2 UV Index 4

Report from 21.3 miles E of central Gann Valley at 10:55 AM Sun, Sep 7, 2025

Current Weather

65°F
Feels Like 65°F

Humidity 52% Dew Point 47°F Wind ESE 3 MPH Gusts 4 Barometer 30.25 in.768.3 mm

Solar Rad 438 w/m2 UV Index 4

Report from 21.3 miles E of central Gann Valley at 10:55 AM Sun, Sep 7, 2025

Forecast at a Glance

SunSep 7

74°

59°

MonSep 8

10%

86°

58°

TueSep 9

84°

59°

WedSep 10

10%

84°

63°

ThuSep 11

30%

84°

64°

FriSep 12

20%

85°

63°

SatSep 13

30%

81°

60°

This Date in Weather History

1970 - A lightning bolt struck a group of football players at Gibbs High School in Saint Petersburg FL, killing two persons and injuring 22 others. All the thirty-eight players and four coaches were knocked off their feet.

Gann Valley 7 Day Weather Forecast Details

Sunday Sep 7

Day: Sunny, with a high near 74. South southeast wind 8 to 15 mph.

Night: Partly cloudy, with a low around 59. Southeast wind 12 to 15 mph.

Monday Sep 8

Day: Mostly sunny, with a high near 86. South southwest wind 10 to 14 mph.

Night: Partly cloudy, with a low around 58. South southwest wind 6 to 10 mph.

Tuesday Sep 9

Day: Sunny, with a high near 84. North wind around 8 mph.

Night: Mostly clear, with a low around 59. East wind around 9 mph.

Wednesday Sep 10

Day: Mostly sunny, with a high near 84. East southeast wind 9 to 18 mph.

Night: A chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 63. Southeast wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

Thursday Sep 11

Day: A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 84. Southeast wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

Night: A slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 20%.

Friday Sep 12

Day: A slight chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 20%.

Night: A slight chance of rain showers before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.

Saturday Sep 13

Day: A chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 30%.

Night: A chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.

Sun & Moon Monthly

First Light 6:38 AM

Sunrise 7:07 AM

Sunset 8:03 PM

Last Light 8:32 PM

Moonrise 8:01 PM

Moonset 6:48 AM

Moon Phase

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