Weather Forecast for St Louis
Missouri, United States of America
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Current Weather - St Louis: 33°C
Current Weather - St Louis: 33°C
Missouri, United States of America
Partly cloudy
Feels like 35°C
Wind
13 km/h SSE
Humidity
51%
Pressure
1017 mb
UV Index
6
Visibility
16 km
Sunny
Friday, July 03, 2026
High
38°C
Low
25°C
Rain Chance
4%
Hourly Forecast
29°C
Day Statistics
Maximum Wind
17 km/h
Humidity
62%
Precipitation
0 mm
UV Index
10
Visibility
10 km
Rain Chance
4%
Snow Chance
0%
Sun & Moon
Sunrise
05:41 AM
Sunset
08:29 PM
Moonrise
11:00 PM
Moonset
09:14 AM
Moon Phase
Waning Gibbous
Moon Illumination
79%
Air Quality
PM2.5
8.7
μg/m³
PM10
9.5
μg/m³
NO₂
7.7
μg/m³
O₃
109.9
μg/m³
SO₂
2.7
μg/m³
CO
143
μg/m³
Sunny
Saturday, July 04, 2026
High
34°C
Low
21°C
Rain Chance
67%
Hourly Forecast
28°C
27°C
26°C
26°C
25°C
25°C
24°C
26°C
27°C
29°C
31°C
32°C
33°C
34°C
34°C
33°C
31°C
27°C
22°C
23°C
23°C
21°C
21°C
21°C
Day Statistics
Maximum Wind
18 km/h
Humidity
68%
Precipitation
15 mm
UV Index
9
Visibility
10 km
Rain Chance
67%
Snow Chance
0%
Sun & Moon
Sunrise
05:41 AM
Sunset
08:28 PM
Moonrise
11:22 PM
Moonset
10:14 AM
Moon Phase
Waning Gibbous
Moon Illumination
70%
Air Quality
PM2.5
8.3
μg/m³
PM10
8.7
μg/m³
NO₂
8.8
μg/m³
O₃
96.9
μg/m³
SO₂
3
μg/m³
CO
156.3
μg/m³
Patchy rain nearby
Sunday, July 05, 2026
High
31°C
Low
21°C
Rain Chance
77%
Hourly Forecast
21°C
22°C
22°C
22°C
22°C
21°C
21°C
22°C
22°C
23°C
26°C
27°C
29°C
30°C
30°C
31°C
30°C
30°C
29°C
28°C
26°C
24°C
24°C
23°C
Day Statistics
Maximum Wind
18 km/h
Humidity
78%
Precipitation
10 mm
UV Index
9
Visibility
10 km
Rain Chance
77%
Snow Chance
0%
Sun & Moon
Sunrise
05:42 AM
Sunset
08:28 PM
Moonrise
11:43 PM
Moonset
11:13 AM
Moon Phase
Last Quarter
Moon Illumination
60%
Air Quality
PM2.5
6.3
μg/m³
PM10
6.8
μg/m³
NO₂
9.7
μg/m³
O₃
76.4
μg/m³
SO₂
2.2
μg/m³
CO
156.6
μg/m³
Sunny
Monday, July 06, 2026
High
32°C
Low
21°C
Rain Chance
8%
Hourly Forecast
23°C
22°C
22°C
22°C
21°C
21°C
21°C
22°C
24°C
26°C
27°C
29°C
30°C
31°C
31°C
32°C
32°C
31°C
31°C
29°C
28°C
26°C
25°C
25°C
Day Statistics
Maximum Wind
9 km/h
Humidity
72%
Precipitation
0 mm
UV Index
9
Visibility
10 km
Rain Chance
8%
Snow Chance
0%
Sun & Moon
Sunrise
05:42 AM
Sunset
08:28 PM
Moonrise
Does not rise today
Moonset
12:13 PM
Moon Phase
Last Quarter
Moon Illumination
49%
Air Quality
PM2.5
6.4
μg/m³
PM10
6.7
μg/m³
NO₂
16
μg/m³
O₃
69.5
μg/m³
SO₂
1.8
μg/m³
CO
201.7
μg/m³
Sunny
Tuesday, July 07, 2026
High
32°C
Low
21°C
Rain Chance
6%
Hourly Forecast
24°C
24°C
23°C
23°C
22°C
22°C
21°C
23°C
24°C
26°C
28°C
29°C
30°C
31°C
32°C
32°C
32°C
31°C
31°C
29°C
27°C
25°C
24°C
23°C
Day Statistics
Maximum Wind
13 km/h
Humidity
71%
Precipitation
0 mm
UV Index
8
Visibility
10 km
Rain Chance
6%
Snow Chance
0%
Sun & Moon
Sunrise
05:43 AM
Sunset
08:28 PM
Moonrise
12:05 AM
Moonset
01:15 PM
Moon Phase
Last Quarter
Moon Illumination
39%
Air Quality
PM2.5
4
μg/m³
PM10
4.1
μg/m³
NO₂
16
μg/m³
O₃
41
μg/m³
SO₂
1.4
μg/m³
CO
243.5
μg/m³
Sunny
Wednesday, July 08, 2026
High
35°C
Low
21°C
Rain Chance
62%
Hourly Forecast
23°C
22°C
22°C
22°C
21°C
22°C
22°C
23°C
24°C
26°C
28°C
29°C
31°C
33°C
33°C
34°C
35°C
33°C
31°C
29°C
27°C
26°C
24°C
24°C
Day Statistics
Maximum Wind
18 km/h
Humidity
74%
Precipitation
4 mm
UV Index
8
Visibility
10 km
Rain Chance
62%
Snow Chance
0%
Sun & Moon
Sunrise
05:43 AM
Sunset
08:27 PM
Moonrise
12:28 AM
Moonset
02:20 PM
Moon Phase
Waning Crescent
Moon Illumination
28%
Sunny
Thursday, July 09, 2026
High
35°C
Low
23°C
Rain Chance
68%
Hourly Forecast
24°C
24°C
24°C
23°C
23°C
23°C
23°C
23°C
23°C
24°C
24°C
26°C
28°C
29°C
31°C
33°C
35°C
34°C
33°C
32°C
30°C
28°C
26°C
25°C
Day Statistics
Maximum Wind
19 km/h
Humidity
79%
Precipitation
4 mm
UV Index
8
Visibility
9 km
Rain Chance
68%
Snow Chance
0%
Sun & Moon
Sunrise
05:44 AM
Sunset
08:27 PM
Moonrise
12:55 AM
Moonset
03:29 PM
Moon Phase
Waning Crescent
Moon Illumination
19%
Solar Radiation Data
Shortwave Radiation
872.06
Diffuse Radiation
212.51
DNI
715.38
GTI
612.14
Weather Alerts
Flood Warning issued July 2 at 11:00AM CDT until July 6 at 7:00AM CDT by NWS St Louis MO
...The Flood Warning continues for the following rivers in Illinois... Illinois River at Hardin. Illinois River at Meredosia. Illinois River at La Grange LD. Illinois River at Valley City. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River at Hardin. * WHEN...Until Monday morning. * IMPACTS...At 25.0 feet, Flood Stage. Lowland flooding of unprotected agricultural land begins. * ADDITIONAL DETAILS... - At 10:30 AM CDT Thursday the stage was 25.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:30 AM CDT Thursday was 25.8 feet. - Forecast...The river is expected to rise to a crest of 25.5 feet this afternoon. It will then fall below flood stage early Sunday morning. - Flood stage is 25.0 feet.
Motorists should not attempt to drive around barricades or drive cars through flooded areas. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx
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