Hourly Weather Forecast - Florissant, MO

12 AM
27°F
10%
4mph
SSW
Cloudy
Humidity
65%
Feels like
23°F
Dew Point
17°F
1 AM
27°F
10%
3mph
SSW
Cloudy
Humidity
67%
Feels like
27°F
Dew Point
18°F
2 AM
27°F
10%
2mph
SSW
Cloudy
Humidity
70%
Feels like
27°F
Dew Point
19°F
3 AM
27°F
10%
2mph
SSW
Cloudy
Humidity
73%
Feels like
27°F
Dew Point
19°F
4 AM
26°F
10%
2mph
S
Cloudy
Humidity
76%
Feels like
26°F
Dew Point
20°F
5 AM
26°F
10%
2mph
S
Mostly Cloudy
Humidity
77%
Feels like
26°F
Dew Point
20°F
6 AM
26°F
10%
2mph
S
Mostly Cloudy
Humidity
80%
Feels like
26°F
Dew Point
21°F
7 AM
28°F
10%
2mph
S
Mostly Cloudy
Humidity
79%
Feels like
28°F
Dew Point
22°F
7:12 AM
8 AM
30°F
10%
2mph
S
Mostly Cloudy
Humidity
78%
Feels like
30°F
Dew Point
24°F
9 AM
32°F
10%
3mph
S
Mostly Cloudy
Humidity
73%
Feels like
32°F
Dew Point
25°F
10 AM
35°F
10%
3mph
S
Mostly Cloudy
Humidity
68%
Feels like
32°F
Dew Point
25°F
11 AM
37°F
10%
3mph
S
Mostly Cloudy
Humidity
64%
Feels like
35°F
Dew Point
26°F

Snow and ice forecast through Friday A.M.

Multiple Snow Threats Across the Northern U.S.

Multiple systems will bring snow across the Northern U.S. through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Unrelenting Rains Soak the Northwest

Thursday's Weather Outlook

Thursday'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