Hourly Weather Forecast - Saint Peters, MO

12 AM
31°F
10%
5mph
NW
Mostly Cloudy
Humidity
74%
Feels like
26°F
Dew Point
24°F
1 AM
30°F
10%
4mph
NW
Mostly Cloudy
Humidity
74%
Feels like
26°F
Dew Point
23°F
2 AM
30°F
10%
4mph
NW
Mostly Cloudy
Humidity
74%
Feels like
25°F
Dew Point
23°F
3 AM
29°F
10%
4mph
NW
Partly Cloudy
Humidity
74%
Feels like
25°F
Dew Point
22°F
4 AM
29°F
10%
3mph
NW
Partly Cloudy
Humidity
75%
Feels like
29°F
Dew Point
22°F
5 AM
28°F
10%
2mph
NW
Mostly Cloudy
Humidity
75%
Feels like
28°F
Dew Point
22°F
6 AM
28°F
10%
1mph
NW
Mostly Cloudy
Humidity
75%
Feels like
28°F
Dew Point
22°F
7 AM
29°F
10%
1mph
WNW
Mostly Cloudy
Humidity
74%
Feels like
29°F
Dew Point
22°F
7:10 AM
8 AM
31°F
10%
1mph
WSW
Mostly Cloudy
Humidity
72%
Feels like
31°F
Dew Point
24°F
9 AM
34°F
10%
1mph
SW
Mostly Cloudy
Humidity
66%
Feels like
34°F
Dew Point
24°F
10 AM
35°F
10%
1mph
SSW
Mostly Cloudy
Humidity
63%
Feels like
35°F
Dew Point
24°F
11 AM
37°F
0%
1mph
S
Cloudy
Humidity
59%
Feels like
37°F
Dew Point
24°F
12 PM
39°F
0%
2mph
S
Cloudy
Humidity
55%
Feels like
39°F
Dew Point
24°F
1 PM
40°F
0%
2mph
SSE
Cloudy
Humidity
53%
Feels like
40°F
Dew Point
24°F
2 PM
41°F
0%
3mph
SSE
Mostly Cloudy
Humidity
53%
Feels like
41°F
Dew Point
25°F
3 PM
40°F
10%
3mph
SE
Mostly Cloudy
Humidity
55%
Feels like
40°F
Dew Point
25°F
4 PM
39°F
10%
3mph
SE
Mostly Cloudy
Humidity
58%
Feels like
37°F
Dew Point
26°F
4:40 PM
5 PM
38°F
10%
4mph
SE
Mostly Cloudy
Humidity
61%
Feels like
36°F
Dew Point
26°F
6 PM
38°F
10%
4mph
SE
Mostly Cloudy
Humidity
63%
Feels like
35°F
Dew Point
27°F
7 PM
38°F
10%
4mph
SE
Mostly Cloudy
Humidity
65%
Feels like
34°F
Dew Point
27°F
8 PM
38°F
10%
5mph
SE
Mostly Cloudy
Humidity
66%
Feels like
34°F
Dew Point
27°F
9 PM
37°F
10%
5mph
SE
Mostly Cloudy
Humidity
68%
Feels like
34°F
Dew Point
28°F
10 PM
37°F
10%
5mph
SSE
Mostly Cloudy
Humidity
71%
Feels like
33°F
Dew Point
29°F
11 PM
37°F
30%
4mph
SSE
30% Chance of Light Rain
Humidity
73%
Feels like
33°F
Dew Point
29°F

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

A fast-moving series of atmospheric rivers continue to drench the Pacific Northwest today through Thursday.

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide