Hourly Weather Forecast - Hayti, SD

12 AM
27°F
0%
7mph
N
Mostly Cloudy
Humidity
87%
Feels like
19°F
Dew Point
23°F
1 AM
26°F
10%
7mph
N
Mostly Cloudy
Humidity
87%
Feels like
18°F
Dew Point
23°F
2 AM
26°F
10%
8mph
N
Mostly Cloudy
Humidity
86%
Feels like
18°F
Dew Point
22°F
3 AM
26°F
10%
7mph
N
Mostly Cloudy
Humidity
86%
Feels like
17°F
Dew Point
22°F
4 AM
26°F
10%
6mph
NNE
Cloudy
Humidity
85%
Feels like
18°F
Dew Point
22°F
5 AM
25°F
10%
6mph
ENE
Cloudy
Humidity
85%
Feels like
19°F
Dew Point
22°F
6 AM
25°F
10%
6mph
E
Cloudy
Humidity
85%
Feels like
18°F
Dew Point
22°F
7 AM
25°F
10%
7mph
E
Mostly Cloudy
Humidity
86%
Feels like
17°F
Dew Point
22°F
8 AM
25°F
10%
7mph
ESE
Mostly Cloudy
Humidity
88%
Feels like
17°F
Dew Point
22°F
8:05 AM
9 AM
26°F
10%
7mph
ESE
Mostly Cloudy
Humidity
88%
Feels like
17°F
Dew Point
22°F
10 AM
27°F
10%
7mph
SE
Mostly Cloudy
Humidity
86%
Feels like
19°F
Dew Point
23°F
11 AM
29°F
10%
8mph
S
Mostly Cloudy
Humidity
83%
Feels like
21°F
Dew Point
24°F
12 PM
30°F
20%
9mph
S
Mostly Cloudy
Humidity
82%
Feels like
22°F
Dew Point
25°F
1 PM
31°F
20%
11mph
SSW
Mostly Cloudy
Humidity
81%
Feels like
22°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

White Christmas? What Are The Odds

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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