Hourly Weather Forecast - Saint Peters, MO

12 AM
37°F
30%
4mph
SSE
30% Chance of Light Rain
Humidity
75%
Feels like
33°F
Dew Point
29°F
1 AM
36°F
30%
4mph
S
30% Chance of Light Rain
Humidity
78%
Feels like
33°F
Dew Point
30°F
2 AM
36°F
10%
3mph
SSW
Mostly Cloudy
Humidity
81%
Feels like
33°F
Dew Point
30°F
3 AM
35°F
0%
3mph
SW
Mostly Cloudy
Humidity
83%
Feels like
35°F
Dew Point
31°F
4 AM
35°F
10%
3mph
WSW
Cloudy
Humidity
85%
Feels like
35°F
Dew Point
31°F
5 AM
35°F
10%
3mph
W
Cloudy
Humidity
86%
Feels like
35°F
Dew Point
31°F
6 AM
35°F
10%
3mph
WNW
Cloudy
Humidity
85%
Feels like
33°F
Dew Point
31°F
7 AM
36°F
10%
3mph
NW
Mostly Cloudy
Humidity
84%
Feels like
34°F
Dew Point
32°F
7:11 AM
8 AM
38°F
10%
4mph
NW
Mostly Cloudy
Humidity
83%
Feels like
35°F
Dew Point
33°F
9 AM
40°F
10%
4mph
NNW
Partly Cloudy
Humidity
77%
Feels like
37°F
Dew Point
33°F
10 AM
42°F
10%
5mph
NNW
Partly Cloudy
Humidity
73%
Feels like
39°F
Dew Point
34°F
11 AM
43°F
10%
6mph
NNW
Partly Cloudy
Humidity
70%
Feels like
40°F
Dew Point
34°F
12 PM
44°F
10%
6mph
NNW
Partly Cloudy
Humidity
66%
Feels like
40°F
Dew Point
33°F
1 PM
44°F
10%
7mph
NW
Partly Cloudy
Humidity
64%
Feels like
40°F
Dew Point
33°F
2 PM
43°F
10%
7mph
NW
Partly Cloudy
Humidity
65%
Feels like
39°F
Dew Point
32°F
3 PM
42°F
10%
7mph
NNW
Partly Cloudy
Humidity
66%
Feels like
38°F
Dew Point
31°F
4 PM
40°F
10%
6mph
NNW
Partly Cloudy
Humidity
68%
Feels like
36°F
Dew Point
31°F
4:41 PM
5 PM
38°F
0%
5mph
NNW
Partly Cloudy
Humidity
71%
Feels like
34°F
Dew Point
30°F
6 PM
37°F
0%
5mph
NNW
Partly Cloudy
Humidity
73%
Feels like
33°F
Dew Point
29°F
7 PM
36°F
0%
5mph
NNW
Partly Cloudy
Humidity
75%
Feels like
32°F
Dew Point
29°F
8 PM
35°F
0%
4mph
NNW
Partly Cloudy
Humidity
74%
Feels like
31°F
Dew Point
27°F
9 PM
34°F
0%
4mph
NNW
Partly Cloudy
Humidity
75%
Feels like
29°F
Dew Point
27°F
10 PM
33°F
0%
5mph
NNW
Partly Cloudy
Humidity
77%
Feels like
28°F
Dew Point
26°F
11 PM
31°F
0%
5mph
NNW
Partly Cloudy
Humidity
78%
Feels like
27°F
Dew Point
25°F

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

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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

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Weather Cameras

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