Weather Forecast for St Louis
Missouri, United States of America
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Current Weather - St Louis: 24°C
Current Weather - St Louis: 24°C
Missouri, United States of America
Light rain
Feels like 25°C
Wind
25 km/h S
Humidity
94%
Pressure
1007 mb
UV Index
2
Visibility
6 km
Moderate rain
Sunday, June 21, 2026
High
32°C
Low
21°C
Rain Chance
74%
Hourly Forecast
23°C
22°C
21°C
Day Statistics
Maximum Wind
25 km/h
Humidity
75%
Precipitation
13 mm
UV Index
3
Visibility
9 km
Rain Chance
74%
Snow Chance
0%
Sun & Moon
Sunrise
05:36 AM
Sunset
08:28 PM
Moonrise
12:49 PM
Moonset
12:31 AM
Moon Phase
First Quarter
Moon Illumination
48%
Air Quality
PM2.5
4.2
μg/m³
PM10
4.5
μg/m³
NO₂
7.7
μg/m³
O₃
72.5
μg/m³
SO₂
1.2
μg/m³
CO
140.3
μg/m³
Patchy rain nearby
Monday, June 22, 2026
High
22°C
Low
17°C
Rain Chance
40%
Hourly Forecast
20°C
19°C
18°C
17°C
17°C
17°C
17°C
17°C
18°C
18°C
19°C
19°C
20°C
20°C
21°C
22°C
22°C
22°C
21°C
21°C
21°C
20°C
20°C
20°C
Day Statistics
Maximum Wind
18 km/h
Humidity
85%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
40%
Snow Chance
0%
Sun & Moon
Sunrise
05:36 AM
Sunset
08:28 PM
Moonrise
01:57 PM
Moonset
12:55 AM
Moon Phase
First Quarter
Moon Illumination
59%
Air Quality
PM2.5
3
μg/m³
PM10
3
μg/m³
NO₂
6.5
μg/m³
O₃
59
μg/m³
SO₂
1.6
μg/m³
CO
136.9
μg/m³
Partly Cloudy
Tuesday, June 23, 2026
High
26°C
Low
17°C
Rain Chance
17%
Hourly Forecast
19°C
19°C
19°C
18°C
18°C
18°C
18°C
18°C
20°C
21°C
22°C
23°C
24°C
25°C
26°C
26°C
26°C
26°C
25°C
24°C
23°C
22°C
21°C
20°C
Day Statistics
Maximum Wind
10 km/h
Humidity
71%
Precipitation
0 mm
UV Index
9
Visibility
10 km
Rain Chance
17%
Snow Chance
0%
Sun & Moon
Sunrise
05:37 AM
Sunset
08:29 PM
Moonrise
03:04 PM
Moonset
01:20 AM
Moon Phase
Waxing Gibbous
Moon Illumination
69%
Air Quality
PM2.5
3.6
μg/m³
PM10
3.7
μg/m³
NO₂
8.8
μg/m³
O₃
64.8
μg/m³
SO₂
1.6
μg/m³
CO
161.7
μg/m³
Patchy rain nearby
Wednesday, June 24, 2026
High
27°C
Low
19°C
Rain Chance
68%
Hourly Forecast
20°C
19°C
19°C
19°C
19°C
19°C
20°C
20°C
20°C
21°C
22°C
24°C
25°C
26°C
26°C
26°C
26°C
26°C
26°C
25°C
23°C
22°C
22°C
22°C
Day Statistics
Maximum Wind
10 km/h
Humidity
75%
Precipitation
3 mm
UV Index
9
Visibility
10 km
Rain Chance
68%
Snow Chance
0%
Sun & Moon
Sunrise
05:37 AM
Sunset
08:29 PM
Moonrise
04:10 PM
Moonset
01:46 AM
Moon Phase
Waxing Gibbous
Moon Illumination
79%
Air Quality
PM2.5
5.5
μg/m³
PM10
5.8
μg/m³
NO₂
13.5
μg/m³
O₃
72.1
μg/m³
SO₂
2.4
μg/m³
CO
187.4
μg/m³
Patchy rain nearby
Thursday, June 25, 2026
High
27°C
Low
19°C
Rain Chance
72%
Hourly Forecast
21°C
21°C
21°C
21°C
20°C
20°C
20°C
21°C
22°C
23°C
24°C
25°C
26°C
26°C
26°C
26°C
26°C
26°C
26°C
25°C
24°C
22°C
21°C
21°C
Day Statistics
Maximum Wind
8 km/h
Humidity
83%
Precipitation
3 mm
UV Index
0
Visibility
10 km
Rain Chance
72%
Snow Chance
0%
Sun & Moon
Sunrise
05:37 AM
Sunset
08:29 PM
Moonrise
05:16 PM
Moonset
02:15 AM
Moon Phase
Waxing Gibbous
Moon Illumination
87%
Air Quality
PM2.5
9.6
μg/m³
PM10
10.5
μg/m³
NO₂
28.7
μg/m³
O₃
34
μg/m³
SO₂
2
μg/m³
CO
257.5
μg/m³
Patchy rain nearby
Friday, June 26, 2026
High
28°C
Low
19°C
Rain Chance
61%
Hourly Forecast
20°C
20°C
20°C
19°C
19°C
20°C
20°C
21°C
22°C
23°C
24°C
25°C
27°C
27°C
28°C
28°C
27°C
27°C
26°C
25°C
24°C
23°C
22°C
22°C
Day Statistics
Maximum Wind
15 km/h
Humidity
79%
Precipitation
2 mm
UV Index
5
Visibility
9 km
Rain Chance
61%
Snow Chance
0%
Sun & Moon
Sunrise
05:38 AM
Sunset
08:29 PM
Moonrise
06:20 PM
Moonset
02:50 AM
Moon Phase
Waxing Gibbous
Moon Illumination
93%
Moderate rain
Saturday, June 27, 2026
High
24°C
Low
21°C
Rain Chance
91%
Hourly Forecast
22°C
21°C
21°C
21°C
22°C
22°C
22°C
22°C
23°C
23°C
24°C
24°C
23°C
23°C
23°C
24°C
24°C
24°C
24°C
23°C
23°C
22°C
21°C
21°C
Day Statistics
Maximum Wind
19 km/h
Humidity
91%
Precipitation
11 mm
UV Index
5
Visibility
9 km
Rain Chance
91%
Snow Chance
0%
Sun & Moon
Sunrise
05:38 AM
Sunset
08:29 PM
Moonrise
07:20 PM
Moonset
03:30 AM
Moon Phase
Full Moon
Moon Illumination
97%
Solar Radiation Data
Shortwave Radiation
263.44
Diffuse Radiation
156.35
DNI
0
GTI
0
Weather Alerts
Flood Watch issued June 21 at 3:09AM CDT until June 22 at 7:00AM CDT by NWS St Louis MO
* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of Illinois, including the following areas, Clinton IL, Marion IL, Monroe IL, Randolph IL, Saint Clair IL and Washington IL and Missouri, including the following areas, Crawford MO, Iron MO, Jefferson MO, Madison MO, Reynolds MO, Saint Francois MO, Sainte Genevieve MO and Washington MO. * WHEN...From 7 AM CDT this morning through Monday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Thunderstorms producing heavy rainfall moving over the same locations could produce flash flooding. Rainfall amounts of 1-3 inches are expected with locally higher amounts up to 6 inches possible.
You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
Flood Watch issued June 21 at 11:06AM CDT until June 22 at 7:00AM CDT by NWS St Louis MO
* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of Illinois, including the following areas, Clinton IL, Marion IL, Monroe IL, Randolph IL, Saint Clair IL and Washington IL and Missouri, including the following areas, Crawford MO, Iron MO, Jefferson MO, Madison MO, Reynolds MO, Saint Francois MO, Sainte Genevieve MO and Washington MO. * WHEN...Through Monday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Thunderstorms producing heavy rainfall moving over the same locations could produce flash flooding. Rainfall amounts of 1-3 inches are expected with locally higher amounts up to 6 inches possible.
You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
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