Hourly Weather Forecast - Saint Clair, MO

12 AM
18°F
10%
3mph
SE
Clear
Humidity
50%
Feels like
14°F
Dew Point
3°F
1 AM
18°F
10%
3mph
SE
Clear
Humidity
50%
Feels like
13°F
Dew Point
3°F
2 AM
18°F
10%
3mph
SE
Clear
Humidity
50%
Feels like
13°F
Dew Point
3°F
3 AM
19°F
10%
4mph
SE
Clear
Humidity
51%
Feels like
13°F
Dew Point
3°F
4 AM
19°F
10%
4mph
SE
Clear
Humidity
51%
Feels like
13°F
Dew Point
4°F
5 AM
19°F
10%
4mph
SSE
Clear
Humidity
52%
Feels like
13°F
Dew Point
4°F
6 AM
19°F
10%
4mph
SSE
Clear
Humidity
52%
Feels like
13°F
Dew Point
5°F
7 AM
21°F
10%
4mph
SSE
Mostly Clear
Humidity
51%
Feels like
15°F
Dew Point
6°F
7:13 AM
8 AM
23°F
10%
4mph
SSE
Mostly Cloudy
Humidity
50%
Feels like
17°F
Dew Point
7°F
9 AM
25°F
10%
5mph
S
Cloudy
Humidity
48%
Feels like
19°F
Dew Point
8°F
10 AM
28°F
10%
5mph
S
Cloudy
Humidity
44%
Feels like
23°F
Dew Point
9°F
11 AM
32°F
10%
5mph
S
Cloudy
Humidity
40%
Feels like
27°F
Dew Point
10°F
12 PM
35°F
10%
5mph
SSW
Cloudy
Humidity
38%
Feels like
30°F
Dew Point
11°F
1 PM
37°F
10%
5mph
SSW
Cloudy
Humidity
37%
Feels like
33°F
Dew Point
13°F
2 PM
39°F
10%
5mph
SSW
Mostly Cloudy
Humidity
38%
Feels like
35°F
Dew Point
15°F
3 PM
40°F
10%
4mph
SSW
Mostly Cloudy
Humidity
40%
Feels like
37°F
Dew Point
17°F
4 PM
38°F
10%
4mph
SSW
Partly Cloudy
Humidity
46%
Feels like
36°F
Dew Point
20°F

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Low pressure will produce a swath of snow from Minnesota to Maine into Thursday.

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

Wednesday's Weather Outlook

Wednesday'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