Hourly Weather Forecast - Saint Peters, MO

12 AM
28°F
10%
12mph
WNW
Clear
Humidity
58%
Feels like
17°F
Dew Point
15°F
1 AM
26°F
0%
12mph
WNW
Clear
Humidity
59%
Feels like
16°F
Dew Point
14°F
2 AM
26°F
0%
11mph
WNW
Clear
Humidity
61%
Feels like
15°F
Dew Point
14°F
3 AM
25°F
0%
10mph
WNW
Clear
Humidity
63%
Feels like
15°F
Dew Point
14°F
4 AM
24°F
0%
10mph
WNW
Clear
Humidity
67%
Feels like
14°F
Dew Point
15°F
5 AM
24°F
0%
9mph
WNW
Clear
Humidity
69%
Feels like
14°F
Dew Point
15°F
6 AM
23°F
0%
8mph
WNW
Clear
Humidity
71%
Feels like
14°F
Dew Point
15°F
7 AM
24°F
0%
8mph
WNW
Clear
Humidity
66%
Feels like
15°F
Dew Point
14°F
7:15 AM
8 AM
25°F
0%
7mph
WNW
Sunny
Humidity
56%
Feels like
17°F
Dew Point
12°F
9 AM
28°F
0%
6mph
WNW
Sunny
Humidity
51%
Feels like
21°F
Dew Point
12°F
10 AM
30°F
0%
5mph
WNW
Sunny
Humidity
48%
Feels like
24°F
Dew Point
12°F
11 AM
32°F
0%
5mph
W
Sunny
Humidity
46%
Feels like
27°F
Dew Point
14°F
12 PM
34°F
0%
4mph
WSW
Sunny
Humidity
44%
Feels like
30°F
Dew Point
15°F
1 PM
36°F
0%
4mph
WSW
Sunny
Humidity
43%
Feels like
33°F
Dew Point
15°F
2 PM
37°F
0%
4mph
SW
Mostly Sunny
Humidity
42%
Feels like
34°F
Dew Point
16°F
3 PM
37°F
0%
3mph
SSW
Partly Cloudy
Humidity
43%
Feels like
35°F
Dew Point
17°F
4 PM
36°F
0%
4mph
S
Mostly Sunny
Humidity
46%
Feels like
33°F
Dew Point
17°F
4:43 PM
5 PM
34°F
0%
4mph
SSE
Mostly Clear
Humidity
51%
Feels like
31°F
Dew Point
18°F
6 PM
33°F
0%
4mph
SSE
Mostly Clear
Humidity
57%
Feels like
29°F
Dew Point
19°F
7 PM
32°F
0%
5mph
SSE
Mostly Clear
Humidity
59%
Feels like
27°F
Dew Point
20°F
8 PM
33°F
0%
6mph
SSE
Clear
Humidity
59%
Feels like
27°F
Dew Point
20°F
9 PM
34°F
0%
6mph
S
Clear
Humidity
59%
Feels like
28°F
Dew Point
21°F
10 PM
34°F
0%
6mph
S
Clear
Humidity
59%
Feels like
28°F
Dew Point
22°F
11 PM
35°F
0%
6mph
S
Clear
Humidity
60%
Feels like
29°F
Dew Point
22°F

Rainfall and Snowfall Totals Through Thursday

Pineapple Express Slams Northwestern U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

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

Cold Air Damming - Cause And Effects

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