Forecast Monster
Monday, August 18, 2025 at 12:47 PM
95°C
High: 96°C
Low: 77°C
Wind
4mph
Gusts
9mph
Cloud Cover
25%
UV Index
8
Humidity
52%
Precipitation
0%
Sunrise
6:17AM
Sunset
7:50PM
12:00PM
Mostly sunny
1:00PM
Mostly sunny
2:00PM
Partly sunny
3:00PM
Partly sunny
4:00PM
Partly sunny
5:00PM
Partly sunny
6:00PM
Partly sunny
7:00PM
Partly sunny
8:00PM
Chance of showers
9:00PM
Chance of showers
10:00PM
Clear with periodic clouds
11:00PM
Clear with periodic clouds
12:00AM
Clear
1:00AM
Clear
2:00AM
Clear
3:00AM
Clear
4:00AM
Clear
5:00AM
Clear
6:00AM
Clear with periodic clouds
7:00AM
Mostly sunny
8:00AM
Rain showers
9:00AM
Chance of showers
10:00AM
Partly sunny
11:00AM
Mostly sunny
2025-08-18 11:52 CDT
Find a detailed, 10-day weather forecast for St. Louis, MO below. Click the row to expand the forecast for that day and night.
Partly sunny
High: 95°C
Low: 78°C
Humidity: 60%
Clouds: 44%
UV Index: 8 (Very High)
Rain: 15%
Wind: 7 mph
Clear
Humidity: 74%
Clouds: 35%
Rain: 20%
Wind: 6 mph
Sunrise:
6:17AM
Sunset:
7:50PM
Phase:
🌘
waning crescent
Moonrise:
12:55AM
Moonset:
5:01PM
Feels Like High
106°C
Feels Like Low
83°C
Heat Index
106°C
Heavy thunderstorm
High: 93°C
Low: 73°C
Humidity: 67%
Clouds: 75%
UV Index: 8 (Very High)
Rain: 55%
Wind: 8 mph
Partly cloudy
Humidity: 88%
Clouds: 80%
Rain: 45%
Wind: 6 mph
Sunrise:
6:18AM
Sunset:
7:49PM
Phase:
🌘
waning crescent
Moonrise:
1:58AM
Moonset:
5:55PM
Feels Like High
104°C
Feels Like Low
78°C
Heat Index
104°C
Partly sunny
High: 85°C
Low: 68°C
Humidity: 70%
Clouds: 80%
UV Index: 7 (High)
Rain: 20%
Wind: 10 mph
Clear with periodic clouds
Humidity: 78%
Clouds: 40%
Rain: 15%
Wind: 9 mph
Sunrise:
6:19AM
Sunset:
7:47PM
Phase:
🌘
waning crescent
Moonrise:
3:08AM
Moonset:
6:38PM
Feels Like High
89°C
Feels Like Low
75°C
Heat Index
89°C
Partly sunny
High: 82°C
Low: 68°C
Humidity: 67%
Clouds: 56%
UV Index: 7 (High)
Rain: 15%
Wind: 8 mph
Clear
Humidity: 81%
Clouds: 45%
Rain: 5%
Wind: 8 mph
Sunrise:
6:20AM
Sunset:
7:46PM
Phase:
🌘
waning crescent
Moonrise:
4:20AM
Moonset:
7:13PM
Feels Like High
85°C
Feels Like Low
75°C
Heat Index
85°C
Mostly sunny
High: 85°C
Low: 69°C
Humidity: 62%
Clouds: 37%
UV Index: 8 (Very High)
Wind: 6 mph
Clear
Humidity: 76%
Clouds: 24%
Wind: 5 mph
Sunrise:
6:21AM
Sunset:
7:45PM
Phase:
🌑
new moon
Moonrise:
5:30AM
Moonset:
7:42PM
Feels Like High
88°C
Feels Like Low
75°C
Heat Index
88°C
Partly sunny
High: 85°C
Low: 65°C
Humidity: 61%
Clouds: 60%
UV Index: 6 (High)
Rain: 15%
Wind: 6 mph
Rain showers
Humidity: 73%
Clouds: 45%
Rain: 45%
Wind: 6 mph
Sunrise:
6:22AM
Sunset:
7:43PM
Phase:
🌑
new moon
Moonrise:
6:38AM
Moonset:
8:06PM
Feels Like High
88°C
Feels Like Low
65°C
Heat Index
88°C
Mostly sunny
High: 79°C
Low: 60°C
Humidity: 61%
Clouds: 25%
UV Index: 8 (Very High)
Rain: 45%
Wind: 8 mph
Clear with periodic clouds
Humidity: 74%
Clouds: 20%
Wind: 8 mph
Sunrise:
6:23AM
Sunset:
7:42PM
Phase:
🌒
waxing crescent
Moonrise:
7:42AM
Moonset:
8:28PM
Feels Like High
80°C
Feels Like Low
59°C
Heat Index
80°C
Partly sunny
High: 76°C
Low: 60°C
Humidity: 58%
Clouds: 75%
UV Index: 5 (Moderate)
Rain: 10%
Wind: 7 mph
Partly cloudy
Humidity: 74%
Clouds: 45%
Rain: 5%
Wind: 5 mph
Sunrise:
6:24AM
Sunset:
7:40PM
Phase:
🌒
waxing crescent
Moonrise:
8:44AM
Moonset:
8:49PM
Feels Like High
78°C
Feels Like Low
60°C
Heat Index
78°C
Partly sunny
High: 77°C
Low: 62°C
Humidity: 59%
Clouds: 45%
UV Index: 7 (High)
Rain: 5%
Wind: 3 mph
Partly cloudy
Humidity: 74%
Clouds: 45%
Rain: 5%
Wind: 5 mph
Sunrise:
6:25AM
Sunset:
7:39PM
Phase:
🌒
waxing crescent
Moonrise:
9:45AM
Moonset:
9:10PM
Feels Like High
79°C
Feels Like Low
62°C
Heat Index
79°C
Partly sunny
High: 82°C
Low: 65°C
Humidity: 58%
Clouds: 65%
UV Index: 6 (High)
Rain: 5%
Wind: 6 mph
Partly cloudy
Humidity: 73%
Clouds: 70%
Rain: 10%
Wind: 6 mph
Sunrise:
6:25AM
Sunset:
7:37PM
Phase:
🌒
waxing crescent
Moonrise:
10:46AM
Moonset:
9:33PM
Feels Like High
83°C
Feels Like Low
65°C
Heat Index
83°C
Get accurate weather forecasts for St. Louis and other locations in MO. Plan your day with detailed hourly and 7-day weather predictions, current conditions, and weather alerts.