Weather Forecast for St Louis
Missouri, United States of America
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Current Weather - St Louis: 29°C
Current Weather - St Louis: 29°C
Missouri, United States of America
Sunny
Feels like 32°C
Wind
15 km/h NE
Humidity
61%
Pressure
1021 mb
UV Index
9
Visibility
16 km
Sunny
Sunday, July 12, 2026
High
35°C
Low
21°C
Rain Chance
6%
Hourly Forecast
28°C
25°C
24°C
23°C
Day Statistics
Maximum Wind
17 km/h
Humidity
72%
Precipitation
0 mm
UV Index
9
Visibility
9 km
Rain Chance
6%
Snow Chance
0%
Sun & Moon
Sunrise
05:46 AM
Sunset
08:26 PM
Moonrise
03:03 AM
Moonset
07:03 PM
Moon Phase
New Moon
Moon Illumination
2%
Air Quality
PM2.5
3.7
μg/m³
PM10
4
μg/m³
NO₂
6.9
μg/m³
O₃
77.5
μg/m³
SO₂
1.8
μg/m³
CO
161.5
μg/m³
Sunny
Monday, July 13, 2026
High
30°C
Low
19°C
Rain Chance
6%
Hourly Forecast
22°C
21°C
21°C
20°C
20°C
19°C
19°C
20°C
22°C
24°C
26°C
27°C
28°C
29°C
30°C
30°C
30°C
29°C
28°C
27°C
25°C
23°C
23°C
22°C
Day Statistics
Maximum Wind
19 km/h
Humidity
72%
Precipitation
0 mm
UV Index
10
Visibility
10 km
Rain Chance
6%
Snow Chance
0%
Sun & Moon
Sunrise
05:47 AM
Sunset
08:25 PM
Moonrise
04:08 AM
Moonset
08:03 PM
Moon Phase
New Moon
Moon Illumination
0%
Air Quality
PM2.5
5.8
μg/m³
PM10
5.9
μg/m³
NO₂
10.1
μg/m³
O₃
84.8
μg/m³
SO₂
1.9
μg/m³
CO
176.7
μg/m³
Sunny
Tuesday, July 14, 2026
High
31°C
Low
20°C
Rain Chance
23%
Hourly Forecast
21°C
21°C
21°C
21°C
20°C
20°C
20°C
21°C
23°C
25°C
27°C
28°C
29°C
30°C
31°C
31°C
31°C
31°C
30°C
29°C
27°C
26°C
25°C
24°C
Day Statistics
Maximum Wind
17 km/h
Humidity
74%
Precipitation
0 mm
UV Index
10
Visibility
10 km
Rain Chance
23%
Snow Chance
0%
Sun & Moon
Sunrise
05:47 AM
Sunset
08:25 PM
Moonrise
05:24 AM
Moonset
08:52 PM
Moon Phase
New Moon
Moon Illumination
1%
Air Quality
PM2.5
8.5
μg/m³
PM10
9
μg/m³
NO₂
18.6
μg/m³
O₃
88.1
μg/m³
SO₂
2.2
μg/m³
CO
198.6
μg/m³
Patchy rain nearby
Wednesday, July 15, 2026
High
32°C
Low
22°C
Rain Chance
62%
Hourly Forecast
23°C
23°C
23°C
23°C
22°C
22°C
22°C
23°C
25°C
27°C
28°C
29°C
30°C
31°C
32°C
32°C
32°C
32°C
31°C
29°C
28°C
26°C
26°C
25°C
Day Statistics
Maximum Wind
10 km/h
Humidity
75%
Precipitation
3 mm
UV Index
10
Visibility
10 km
Rain Chance
62%
Snow Chance
0%
Sun & Moon
Sunrise
05:48 AM
Sunset
08:24 PM
Moonrise
06:45 AM
Moonset
09:32 PM
Moon Phase
New Moon
Moon Illumination
3%
Air Quality
PM2.5
14
μg/m³
PM10
14.4
μg/m³
NO₂
25.6
μg/m³
O₃
108.3
μg/m³
SO₂
4.7
μg/m³
CO
227.7
μg/m³
Sunny
Thursday, July 16, 2026
High
33°C
Low
23°C
Rain Chance
6%
Hourly Forecast
24°C
24°C
24°C
24°C
23°C
23°C
23°C
24°C
26°C
28°C
29°C
31°C
32°C
33°C
33°C
33°C
33°C
33°C
32°C
31°C
29°C
28°C
27°C
26°C
Day Statistics
Maximum Wind
11 km/h
Humidity
69%
Precipitation
0 mm
UV Index
8
Visibility
10 km
Rain Chance
6%
Snow Chance
0%
Sun & Moon
Sunrise
05:49 AM
Sunset
08:24 PM
Moonrise
08:05 AM
Moonset
10:04 PM
Moon Phase
Waxing Crescent
Moon Illumination
8%
Air Quality
PM2.5
12.1
μg/m³
PM10
12.3
μg/m³
NO₂
21.7
μg/m³
O₃
65.5
μg/m³
SO₂
5.9
μg/m³
CO
333.4
μg/m³
Sunny
Friday, July 17, 2026
High
32°C
Low
23°C
Rain Chance
57%
Hourly Forecast
25°C
25°C
24°C
24°C
23°C
24°C
24°C
24°C
26°C
27°C
29°C
30°C
31°C
32°C
31°C
31°C
31°C
30°C
29°C
28°C
27°C
25°C
24°C
23°C
Day Statistics
Maximum Wind
16 km/h
Humidity
74%
Precipitation
2 mm
UV Index
8
Visibility
10 km
Rain Chance
57%
Snow Chance
0%
Sun & Moon
Sunrise
05:50 AM
Sunset
08:23 PM
Moonrise
09:22 AM
Moonset
10:32 PM
Moon Phase
Waxing Crescent
Moon Illumination
15%
Sunny
Saturday, July 18, 2026
High
33°C
Low
21°C
Rain Chance
8%
Hourly Forecast
23°C
22°C
22°C
21°C
21°C
21°C
21°C
21°C
23°C
25°C
27°C
29°C
31°C
33°C
33°C
33°C
32°C
32°C
31°C
31°C
29°C
28°C
27°C
26°C
Day Statistics
Maximum Wind
10 km/h
Humidity
67%
Precipitation
0 mm
UV Index
8
Visibility
10 km
Rain Chance
8%
Snow Chance
0%
Sun & Moon
Sunrise
05:50 AM
Sunset
08:23 PM
Moonrise
10:35 AM
Moonset
10:57 PM
Moon Phase
Waxing Crescent
Moon Illumination
23%
Solar Radiation Data
Shortwave Radiation
643.2
Diffuse Radiation
98.19
DNI
0
GTI
0
Weather Alerts
Flood Warning issued July 11 at 9:32PM CDT until July 15 at 2:05AM CDT by NWS St Louis MO
...The Flood Warning continues for the following rivers in Missouri... Meramec River near Sullivan. Meramec River at Pacific. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is forecast. * WHERE...Meramec River at Pacific. * WHEN...From Sunday evening to late Tuesday night. * IMPACTS...At 16.0 feet, Route N begins to flood. * ADDITIONAL DETAILS... - At 9:00 PM CDT Saturday the stage was 6.8 feet. - Forecast...The river is expected to rise above flood stage tomorrow evening to a crest of 15.8 feet early Monday morning. It will then fall below flood stage Monday evening. - Flood stage is 15.0 feet.
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. 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
Flood Warning issued July 11 at 9:32PM CDT until July 13 at 5:45PM CDT by NWS St Louis MO
...The Flood Warning continues for the following rivers in Missouri... Meramec River near Sullivan. Meramec River at Pacific. 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...Meramec River near Sullivan. * WHEN...Until Monday afternoon. * IMPACTS...At 18.5 feet, Near this height, Missouri Route N will be closed in both directions. * ADDITIONAL DETAILS... - At 8:29 PM CDT Saturday the stage was 19.4 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:29 PM CDT Saturday was 23.6 feet. - Forecast...The river is expected to fall below flood stage late tomorrow morning and continue falling to 4.4 feet Friday evening. - Flood stage is 11.0 feet.
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. 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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