Hourly Weather Forecast - Saint Peters, MO

12 AM
17°F
0%
2mph
SW
Clear
Humidity
42%
Feels like
17°F
Dew Point
-2°F
1 AM
17°F
0%
2mph
SW
Mostly Clear
Humidity
42%
Feels like
17°F
Dew Point
-2°F
2 AM
17°F
0%
2mph
SW
Partly Cloudy
Humidity
43%
Feels like
17°F
Dew Point
-2°F
3 AM
17°F
0%
2mph
SW
Partly Cloudy
Humidity
44%
Feels like
17°F
Dew Point
-1°F
4 AM
17°F
0%
2mph
SSW
Mostly Cloudy
Humidity
46%
Feels like
17°F
Dew Point
0°F
5 AM
16°F
0%
3mph
S
Cloudy
Humidity
49%
Feels like
16°F
Dew Point
1°F
6 AM
17°F
0%
3mph
S
Cloudy
Humidity
53%
Feels like
17°F
Dew Point
3°F
7 AM
18°F
0%
3mph
S
Mostly Cloudy
Humidity
53%
Feels like
13°F
Dew Point
4°F
7:17 AM
8 AM
21°F
10%
4mph
S
Mostly Cloudy
Humidity
51%
Feels like
16°F
Dew Point
6°F
9 AM
25°F
10%
4mph
SSW
Partly Cloudy
Humidity
46%
Feels like
20°F
Dew Point
7°F
10 AM
28°F
10%
4mph
SSW
Partly Cloudy
Humidity
42%
Feels like
23°F
Dew Point
8°F
11 AM
31°F
10%
4mph
SW
Mostly Cloudy
Humidity
39%
Feels like
27°F
Dew Point
10°F
12 PM
34°F
10%
4mph
SW
Mostly Cloudy
Humidity
38%
Feels like
30°F
Dew Point
11°F
1 PM
36°F
10%
4mph
SW
Partly Cloudy
Humidity
40%
Feels like
32°F
Dew Point
14°F
2 PM
37°F
10%
4mph
SSW
Mostly Sunny
Humidity
40%
Feels like
34°F
Dew Point
15°F
3 PM
37°F
10%
4mph
SSW
Sunny
Humidity
43%
Feels like
34°F
Dew Point
17°F
4 PM
36°F
10%
4mph
S
Sunny
Humidity
45%
Feels like
33°F
Dew Point
17°F
5 PM
34°F
10%
3mph
SSE
Mostly Sunny
Humidity
48%
Feels like
32°F
Dew Point
17°F
5:10 PM
6 PM
33°F
10%
4mph
SSE
Mostly Clear
Humidity
50%
Feels like
30°F
Dew Point
17°F
7 PM
32°F
10%
4mph
SSE
Partly Cloudy
Humidity
53%
Feels like
27°F
Dew Point
16°F
8 PM
31°F
0%
6mph
S
Partly Cloudy
Humidity
50%
Feels like
25°F
Dew Point
14°F
9 PM
30°F
0%
6mph
S
Mostly Cloudy
Humidity
47%
Feels like
24°F
Dew Point
13°F
10 PM
31°F
0%
7mph
S
Mostly Cloudy
Humidity
45%
Feels like
24°F
Dew Point
12°F
11 PM
31°F
0%
7mph
SSW
Partly Cloudy
Humidity
44%
Feels like
25°F
Dew Point
12°F

Snow Forecast through Sunday

Unrelenting Storm Track Brings Snow to Great Lakes & Eastern U.S.

Two main areas of low pressure will produce snow in the Upper Midwest, Great Lakes and Eastern U.S.

Monday's Weather Outlook

Monday's Weather Outlook

Weekly Drought Map for January 15, 2026

Active Weather Creates Mix of Improvements, Degradations to Drought Depiction

Vehicle driving in wintry conditions

Prepare Your Car for Cold Weather

(Image provided by NOAA)

Polar Vortex: What Is It?

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

Safety Tips For Icy Surfaces

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