Hourly Weather Forecast - Saint Peters, MO

12 AM
28°F
0%
2mph
ESE
Cloudy
Humidity
72%
Feels like
28°F
Dew Point
20°F
1 AM
27°F
0%
2mph
ESE
Cloudy
Humidity
75%
Feels like
27°F
Dew Point
20°F
2 AM
26°F
0%
2mph
E
Mostly Cloudy
Humidity
78%
Feels like
26°F
Dew Point
20°F
3 AM
26°F
0%
2mph
E
Mostly Cloudy
Humidity
82%
Feels like
26°F
Dew Point
21°F
4 AM
25°F
0%
2mph
E
Mostly Cloudy
Humidity
82%
Feels like
25°F
Dew Point
20°F
5 AM
26°F
0%
2mph
E
Cloudy
Humidity
82%
Feels like
26°F
Dew Point
21°F
6 AM
27°F
0%
2mph
E
Cloudy
Humidity
81%
Feels like
27°F
Dew Point
22°F
7 AM
28°F
0%
2mph
E
Cloudy
Humidity
77%
Feels like
28°F
Dew Point
22°F
7:21 AM
8 AM
30°F
0%
2mph
E
Cloudy
Humidity
73%
Feels like
30°F
Dew Point
22°F
9 AM
32°F
0%
3mph
E
Mostly Cloudy
Humidity
69%
Feels like
32°F
Dew Point
23°F
10 AM
34°F
0%
3mph
E
Mostly Cloudy
Humidity
64%
Feels like
32°F
Dew Point
24°F
11 AM
36°F
10%
3mph
E
Partly Cloudy
Humidity
61%
Feels like
34°F
Dew Point
24°F
12 PM
37°F
10%
3mph
ENE
Mostly Cloudy
Humidity
59%
Feels like
35°F
Dew Point
24°F
1 PM
38°F
10%
3mph
ENE
Mostly Cloudy
Humidity
59%
Feels like
36°F
Dew Point
25°F
2 PM
38°F
10%
3mph
ENE
Partly Cloudy
Humidity
60%
Feels like
36°F
Dew Point
25°F
3 PM
37°F
10%
4mph
NE
Partly Cloudy
Humidity
62%
Feels like
35°F
Dew Point
26°F
4 PM
36°F
10%
3mph
NE
Mostly Sunny
Humidity
65%
Feels like
33°F
Dew Point
25°F
4:52 PM
5 PM
35°F
10%
3mph
NE
Mostly Clear
Humidity
68%
Feels like
32°F
Dew Point
25°F
6 PM
33°F
10%
3mph
NNE
Clear
Humidity
69%
Feels like
31°F
Dew Point
24°F
7 PM
33°F
10%
3mph
NNE
Clear
Humidity
70%
Feels like
30°F
Dew Point
24°F
8 PM
33°F
10%
3mph
NNE
Mostly Clear
Humidity
72%
Feels like
33°F
Dew Point
25°F
9 PM
32°F
10%
3mph
NNE
Mostly Clear
Humidity
73%
Feels like
32°F
Dew Point
25°F
10 PM
32°F
10%
3mph
NNE
Mostly Clear
Humidity
74%
Feels like
32°F
Dew Point
24°F
11 PM
31°F
10%
3mph
NNE
Clear
Humidity
75%
Feels like
31°F
Dew Point
24°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