Hourly Weather Forecast - Gann Valley, SD

12 AM
28°F
10%
4mph
SW
Hazy
Humidity
91%
Feels like
23°F
Dew Point
25°F
1 AM
27°F
10%
6mph
WSW
Hazy
Humidity
91%
Feels like
21°F
Dew Point
25°F
2 AM
27°F
10%
6mph
WSW
Partly Cloudy
Humidity
92%
Feels like
21°F
Dew Point
25°F
3 AM
28°F
10%
6mph
WSW
Partly Cloudy
Humidity
93%
Feels like
21°F
Dew Point
26°F
4 AM
28°F
10%
6mph
WSW
Partly Cloudy
Humidity
93%
Feels like
21°F
Dew Point
26°F
5 AM
28°F
0%
5mph
W
Partly Cloudy
Humidity
94%
Feels like
22°F
Dew Point
26°F
6 AM
28°F
0%
5mph
W
Partly Cloudy
Humidity
95%
Feels like
21°F
Dew Point
26°F
7 AM
28°F
0%
5mph
W
Partly Cloudy
Humidity
95%
Feels like
22°F
Dew Point
27°F
7:43 AM
8 AM
29°F
0%
6mph
W
Partly Cloudy
Humidity
96%
Feels like
23°F
Dew Point
28°F
9 AM
31°F
0%
6mph
WSW
Partly Cloudy
Humidity
96%
Feels like
25°F
Dew Point
30°F
10 AM
33°F
0%
6mph
WSW
Partly Cloudy
Humidity
95%
Feels like
27°F
Dew Point
31°F
11 AM
35°F
0%
6mph
WSW
Partly Cloudy
Humidity
93%
Feels like
30°F
Dew Point
33°F

Wind Gust Forecast

High Winds & Heavy Snow Batter The Northern U.S.

A storm system tracking across the Northern U.S. will usher in snowy and blustery weather for the end of the week.

Friday's Weather Outlook

Friday's Weather Outlook

A tree knocked over after a storm produced high winds. (provided by PublicDomainPictures via Pixabay.com)

Strong Winds in the Springtime

Weekly Drought Map for March 12, 2026

Widespread Drought Improvement For The South, Midwest

A tornado on the ground in Hildreth, Neb., on June 14, 2014 (NOAA Photo Library/Ken Engquist).

Tornadoes and Road Safety -- Do's and Don't's

A pothole big enough to hold a traffic cone and garbage. (David Shankbone, Wikimedia Common)

Potholes: A Springtime Driving Menace

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide