Hourly Weather | Tomorrow Thursday, August 6, 2026
Active Weather Warnings
St. Louis, Missouri
12 AM
Stormy Weather
75°
Feels Like 73°
66
Humidity: 84%
UV Index: 0
Wind: 5 mph
1 AM
Cloudy Night
75°
Feels Like 77°
49
Humidity: 79%
UV Index: 0
Wind: 5 mph
2 AM
Cloudy Night
73°
Feels Like 75°
34
Humidity: 81%
UV Index: 0
Wind: 2 mph
3 AM
Cloudy Night
73°
Feels Like 77°
34
Humidity: 82%
UV Index: 0
Wind: 2 mph
4 AM
Cloudy Night
73°
Feels Like 75°
39
Humidity: 84%
UV Index: 0
Wind: 2 mph
5 AM
Cloudy Night
72°
Feels Like 75°
49
Humidity: 86%
UV Index: 0
Wind: 2 mph
6 AM
Stormy Weather
72°
Feels Like 70°
69
Humidity: 87%
UV Index: 0
Wind: 4 mph
7 AM
Sunny with a Chance of Thunderstorms
72°
Feels Like 72°
69
Humidity: 87%
UV Index: 0
Wind: 4 mph
8 AM
Cloudy Weather
73°
Feels Like 75°
48
Humidity: 84%
UV Index: 1
Wind: 5 mph
9 AM
Stormy Weather
73°
Feels Like 73°
56
Humidity: 80%
UV Index: 1
Wind: 6 mph
10 AM
Cloudy Weather
75°
Feels Like 81°
49
Humidity: 78%
UV Index: 2
Wind: 7 mph
11 AM
Cloudy Weather
79°
Feels Like 84°
49
Humidity: 74%
UV Index: 3
Wind: 6 mph
12 PM
Stormy Weather
79°
Feels Like 90°
54
Humidity: 82%
UV Index: 5
Wind: 4 mph
1 PM
Cloudy Weather
81°
Feels Like 97°
49
Humidity: 69%
UV Index: 7
Wind: 2 mph
2 PM
Cloudy Weather
84°
Feels Like 100°
43
Humidity: 65%
UV Index: 7
Wind: 1 mph
3 PM
Cloudy Weather
84°
Feels Like 100°
47
Humidity: 65%
UV Index: 5
Wind: 1 mph
4 PM
Stormy Weather
82°
Feels Like 93°
51
Humidity: 84%
UV Index: 1
Wind: 2 mph
5 PM
Cloudy Weather
82°
Feels Like 90°
39
Humidity: 71%
UV Index: 1
Wind: 4 mph
6 PM
Cloudy Weather
82°
Feels Like 90°
33
Humidity: 70%
UV Index: 1
Wind: 5 mph
7 PM
Cloudy Weather
81°
Feels Like 84°
36
Humidity: 70%
UV Index: 1
Wind: 6 mph
8 PM
Cloudy Weather
79°
Feels Like 81°
47
Humidity: 73%
UV Index: 0
Wind: 6 mph
9 PM
Stormy Weather
75°
Feels Like 75°
51
Humidity: 87%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Night
75°
Feels Like 79°
47
Humidity: 87%
UV Index: 0
Wind: 8 mph
11 PM
Cloudy Night
75°
Feels Like 79°
34
Humidity: 86%
UV Index: 0
Wind: 6 mph

Weather Alerts and Warnings for St. Louis

Severe Future Possible

Flood Watch

Flood Watch issued August 5 at 1:57AM CDT until August 6 at 10:00AM CDT by NWS St Louis MO
Aug 5, 10:00 PM Aug 6, 10:00 AM
WHAT: Flash flooding caused by excessive rainfall is possible.

WHERE: Portions of Illinois, including the following areas, Adams
IL, Brown IL, Calhoun IL and Pike IL and Missouri, including the
following areas, Audrain MO, Boone MO, Callaway MO, Cole MO,
Crawford MO, Franklin MO, Gasconade MO, Jefferson MO, Knox MO,
Lewis MO, Lincoln MO, Marion MO, Moniteau MO, Monroe MO, Montgomery
MO, Osage MO, Pike MO, Ralls MO, Saint Charles MO, Saint Louis City
MO, Saint Louis MO, Shelby MO, Warren MO and Washington MO.

WHEN: From this evening through Thursday morning.

IMPACTS: Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.

ADDITIONAL DETAILS:
- Training thunderstorms with high rainfall rates are expected
within the watch area late this evening into Thursday morning.
+ Read More
You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
Updated: Aug 5, 2:29 AM Source: NWS Alert