Hourly Weather Forecast - Sinai, SD

4 AM
8°F
0%
4mph
SE
Mostly Clear
Humidity
71%
Feels like
0°F
Dew Point
1°F
5 AM
9°F
0%
5mph
SE
Mostly Clear
Humidity
72%
Feels like
0°F
Dew Point
2°F
6 AM
10°F
0%
6mph
SSE
Mostly Clear
Humidity
73%
Feels like
0°F
Dew Point
2°F
7 AM
10°F
0%
6mph
SSE
Partly Cloudy
Humidity
74%
Feels like
0°F
Dew Point
3°F
8 AM
11°F
0%
6mph
SE
Partly Cloudy
Humidity
76%
Feels like
0°F
Dew Point
5°F
8:04 AM
9 AM
12°F
0%
6mph
SSE
Partly Cloudy
Humidity
77%
Feels like
1°F
Dew Point
6°F
10 AM
14°F
0%
7mph
SSE
Partly Cloudy
Humidity
77%
Feels like
3°F
Dew Point
8°F
11 AM
16°F
0%
7mph
SSE
Mostly Cloudy
Humidity
77%
Feels like
6°F
Dew Point
10°F
12 PM
18°F
0%
6mph
S
Mostly Cloudy
Humidity
77%
Feels like
10°F
Dew Point
12°F
1 PM
20°F
0%
4mph
SSW
Mostly Cloudy
Humidity
77%
Feels like
13°F
Dew Point
14°F
2 PM
21°F
0%
3mph
WSW
Mostly Cloudy
Humidity
77%
Feels like
16°F
Dew Point
15°F
3 PM
22°F
0%
4mph
W
Mostly Cloudy
Humidity
78%
Feels like
16°F
Dew Point
16°F
4 PM
22°F
0%
5mph
WNW
Mostly Cloudy
Humidity
80%
Feels like
15°F
Dew Point
16°F
5 PM
21°F
0%
4mph
NW
Mostly Cloudy
Humidity
82%
Feels like
15°F
Dew Point
16°F
5:00 PM
6 PM
20°F
0%
4mph
NW
Partly Cloudy
Humidity
84%
Feels like
15°F
Dew Point
16°F
7 PM
20°F
0%
4mph
NNW
Mostly Cloudy
Humidity
85%
Feels like
14°F
Dew Point
16°F
8 PM
19°F
0%
4mph
NNW
Cloudy
Humidity
85%
Feels like
13°F
Dew Point
15°F
9 PM
18°F
0%
4mph
N
Cloudy
Humidity
85%
Feels like
13°F
Dew Point
15°F
10 PM
18°F
0%
4mph
N
Cloudy
Humidity
85%
Feels like
12°F
Dew Point
14°F
11 PM
17°F
0%
4mph
N
Cloudy
Humidity
85%
Feels like
11°F
Dew Point
13°F

Rain and Snow Totals Through Friday

2026 Opens with Heavy Rain in California

Moderate to heavy rainfall persists until nighttime in much of California.

Thursday's Weather Outlook

New Year's Day and Extended Weekend Weather Outlook

St. Louis Tornado - May 16th, 2025

2025 Year in Review: Billion-Dollar Disasters From May through June

EF3 tornado damage near Plantersville, Alabama

2025 Year in Review: Billion-Dollar Disasters From February Through April

Photos and videos from the Palisades Fire that started in the City of Los Angeles, January 8, 2025. (CAL FIRE_Official via Wikimedia Commons)

2025 Year in Review: Billion Dollar Disasters - The California Wildfires

Large wall of dust approaching Phoenix Sky Harbor Airport at around 5:30 PM MST (Photo credit: Mike Olbinski via NWS)

2025 Year in Review: Extreme Weather - July Through December

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide