Hourly Weather Forecast - Saint Peters, MO

12 AM
21°F
0%
6mph
NW
Clear
Humidity
58%
Feels like
13°F
Dew Point
9°F
1 AM
21°F
0%
6mph
NW
Clear
Humidity
59%
Feels like
14°F
Dew Point
9°F
2 AM
22°F
0%
6mph
NW
Clear
Humidity
59%
Feels like
14°F
Dew Point
10°F
3 AM
22°F
0%
5mph
WNW
Clear
Humidity
59%
Feels like
15°F
Dew Point
10°F
4 AM
22°F
0%
5mph
WNW
Clear
Humidity
59%
Feels like
16°F
Dew Point
10°F
5 AM
22°F
0%
4mph
WNW
Clear
Humidity
60%
Feels like
17°F
Dew Point
10°F
6 AM
22°F
0%
4mph
WNW
Clear
Humidity
61%
Feels like
17°F
Dew Point
11°F
7 AM
23°F
0%
4mph
W
Clear
Humidity
61%
Feels like
18°F
Dew Point
11°F
7:20 AM
8 AM
24°F
0%
4mph
W
Mostly Sunny
Humidity
59%
Feels like
19°F
Dew Point
12°F
9 AM
26°F
0%
4mph
W
Mostly Sunny
Humidity
56%
Feels like
21°F
Dew Point
12°F
10 AM
28°F
0%
4mph
W
Sunny
Humidity
51%
Feels like
24°F
Dew Point
12°F
11 AM
31°F
0%
5mph
W
Sunny
Humidity
46%
Feels like
26°F
Dew Point
13°F
12 PM
33°F
0%
5mph
WSW
Sunny
Humidity
42%
Feels like
28°F
Dew Point
13°F
1 PM
35°F
0%
5mph
WSW
Partly Cloudy
Humidity
39%
Feels like
30°F
Dew Point
13°F
2 PM
35°F
0%
5mph
WSW
Mostly Cloudy
Humidity
38%
Feels like
31°F
Dew Point
12°F
3 PM
35°F
0%
6mph
WSW
Cloudy
Humidity
39%
Feels like
30°F
Dew Point
12°F
4 PM
34°F
0%
5mph
WSW
Mostly Cloudy
Humidity
41%
Feels like
29°F
Dew Point
13°F
4:49 PM
5 PM
33°F
0%
5mph
WSW
Partly Cloudy
Humidity
43%
Feels like
29°F
Dew Point
13°F
6 PM
33°F
0%
4mph
WSW
Mostly Clear
Humidity
45%
Feels like
28°F
Dew Point
14°F
7 PM
32°F
0%
4mph
WSW
Mostly Clear
Humidity
47%
Feels like
28°F
Dew Point
14°F
8 PM
32°F
0%
5mph
WSW
Clear
Humidity
48%
Feels like
27°F
Dew Point
14°F
9 PM
31°F
0%
5mph
WSW
Clear
Humidity
50%
Feels like
26°F
Dew Point
15°F
10 PM
31°F
0%
5mph
WSW
Clear
Humidity
52%
Feels like
25°F
Dew Point
15°F
11 PM
31°F
0%
5mph
W
Clear
Humidity
54%
Feels like
25°F
Dew Point
16°F

Snow and Ice Forecast Through Monday

Heavy Snow and Icing from Midwest to New England

A winter storm will deliver snow and significant icing from the Midwest to New England.

Monday's Weather Outlook

Monday's Weather Outlook

Satellite image of Hurricane Melissa

2025 Year in Review: Powerful Hurricanes in the Atlantic

A frame from an automated video of a tornado and its mesocyclone that derailed multiple train cars near Enderlin, North Dakota and destroyed multiple homes on June 20, 2025. (ChrisWx via Wikimedia Commons)

2025 Year in Review: Extreme Weather - January through June

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

Hurricane Erick at its peak intensity before making landfall on Guerrero, Mexico on June 19, 2025 (NOAA/Wikimedia Commons)

2025 Year in Review: Active Tropical Season for The Pacific

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide