Hourly Weather Forecast - Affton, MO

9 AM
10°F
0%
9mph
NNW
Mostly Sunny
Humidity
58%
Feels like
-3°F
Dew Point
-2°F
10 AM
11°F
0%
8mph
NNW
Mostly Sunny
Humidity
55%
Feels like
-1°F
Dew Point
-2°F
11 AM
12°F
0%
7mph
NNW
Sunny
Humidity
52%
Feels like
2°F
Dew Point
-2°F
12 PM
14°F
0%
6mph
NNW
Sunny
Humidity
49%
Feels like
4°F
Dew Point
-2°F
1 PM
15°F
0%
6mph
NNW
Sunny
Humidity
47%
Feels like
5°F
Dew Point
-2°F
2 PM
15°F
0%
6mph
NNW
Sunny
Humidity
46%
Feels like
6°F
Dew Point
-2°F
3 PM
15°F
0%
5mph
NNW
Sunny
Humidity
45%
Feels like
7°F
Dew Point
-2°F
4 PM
14°F
0%
4mph
NNW
Sunny
Humidity
46%
Feels like
7°F
Dew Point
-3°F
4:40 PM
5 PM
14°F
0%
3mph
N
Clear
Humidity
47%
Feels like
14°F
Dew Point
-3°F
6 PM
13°F
0%
2mph
NNE
Clear
Humidity
48%
Feels like
13°F
Dew Point
-2°F
7 PM
13°F
0%
1mph
ENE
Clear
Humidity
50%
Feels like
13°F
Dew Point
-2°F
8 PM
12°F
0%
2mph
ESE
Clear
Humidity
52%
Feels like
12°F
Dew Point
-2°F
9 PM
11°F
0%
3mph
ESE
Clear
Humidity
53%
Feels like
11°F
Dew Point
-2°F
10 PM
11°F
0%
3mph
SE
Clear
Humidity
55%
Feels like
5°F
Dew Point
-2°F
11 PM
10°F
0%
4mph
SSE
Clear
Humidity
56%
Feels like
4°F
Dew Point
-2°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

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

Cold Air Damming - Cause And Effects

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide