St. Louis

United States › Missouri

Temperature:

Weather Forecast

St. Louis

Chance of rain: 66%

79°F

Feels like 81°F

Light rain
Light rain

Today's Forecast

6 PM 79°F
7 PM 82°F
8 PM 79°F
9 PM 77°F
10 PM 74°F
11 PM 71°F

Air Conditions

Real Feel 81°F
Wind ENE 9 km/h
Chance of Rain 66%
UV Index 1.1

Air quality: Good

Weather Alerts

Flood Warning issued June 24 at 9:11PM CDT by NWS St Louis MO

...The Flood Warning continues for the Illinois river at the following locations... Illinois River at Meredosia. Illinois River at La Grange LD. Illinois River at Valley City. Illinois River at Hardin. 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 further notice. * IMPACTS...At 25.0 feet, Flood Stage. Lowland flooding of unprotected agricultural land begins. * ADDITIONAL DETAILS... - At 8:30 PM CDT Wednesday the stage was 26.9 feet. - Forecast...The river is expected to rise to a crest of 26.9 feet tomorrow morning. - Flood stage is 25.0 feet.

Effective: 2026-06-24T21:11:00-05:00
Flood Warning issued June 25 at 9:43AM CDT by NWS St Louis MO

...The Flood Warning continues for the following rivers in Illinois... Illinois River at Meredosia. Illinois River at La Grange LD. Illinois River at Valley City. Illinois River at Hardin. 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 further notice. * ADDITIONAL DETAILS... - At 9:30 AM CDT Thursday the stage was 26.9 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:30 AM CDT Thursday was 26.9 feet. - Forecast...The river is expected to rise to a crest of 27.0 feet this evening. - Flood stage is 25.0 feet.

Effective: 2026-06-25T09:43:00-05:00
Flood Watch issued June 25 at 1:16AM CDT until June 26 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, Pike IL and Randolph IL and Missouri, including the following areas, Audrain MO, Iron MO, Madison MO, Pike MO, Reynolds MO, Saint Francois MO and Sainte Genevieve MO. * WHEN...From 1 PM CDT this afternoon through Friday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Multiple waves of thunderstorms capable of heavy rainfall. - Some locations that may experience flooding include... Farmington, Mexico, Chester, Bonne Terre, Bowling Green, Desloge, Pittsfield, Ste. Genevieve, Sparta, Fredericktown, Vandalia, Red Bud, Louisiana, Bismarck, Ironton, Leadwood, Bremen and Park Hills.

Effective: 2026-06-25T01:16:00-05:00
Flood Watch issued June 25 at 1:16AM CDT until June 26 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, Bond IL, Calhoun IL, Clinton IL, Fayette IL, Greene IL, Jersey IL, Macoupin IL, Madison IL, Marion IL, Monroe IL, Montgomery IL, Saint Clair IL and Washington IL and Missouri, including the following areas, Boone MO, Callaway MO, Cole MO, Crawford MO, Franklin MO, Gasconade MO, Jefferson MO, Lincoln MO, Moniteau MO, Montgomery MO, Osage MO, Saint Charles MO, Saint Louis City MO, Saint Louis MO, Warren MO and Washington MO. * WHEN...From 1 PM CDT this afternoon through Friday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Multiple waves of thunderstorms capable of heavy rainfall. - Some locations that may experience flooding include... St. Louis, Columbia, O'Fallon, St. Charles, St. Peters, Florissant, Chesterfield, Belleville, Jefferson City, Wildwood, University City, Ballwin, Granite City, Wentzville, Alton, Kirkwood, Maryland Heights, East St. Louis and Hazelwood.

Effective: 2026-06-25T01:16:00-05:00

Temperature - Past 7 Days & Forecast

Detailed 7-Day Forecast

Day High Low Condition Rain Wind Humidity UV Sunrise Sunset
Thu Jun 25 92°F 69°F Patchy rain nearby 66% 15 km/h 78% 8.6 05:37 AM 08:29 PM
Fri Jun 26 82°F 68°F Heavy rain 90% 14 km/h 91% 6 05:38 AM 08:29 PM
Sat Jun 27 78°F 67°F Moderate rain 90% 15 km/h 93% 6.1 05:38 AM 08:29 PM
Sun Jun 28 98°F 71°F Sunny 7% 13 km/h 71% 10.6 05:38 AM 08:29 PM
Mon Jun 29 99°F 74°F Sunny 4% 19 km/h 61% 10.9 05:39 AM 08:29 PM
Tue Jun 30 98°F 76°F Sunny 5% 12 km/h 68% 0.5 05:39 AM 08:29 PM
Wed Jul 1 97°F 78°F Patchy rain nearby 57% 14 km/h 64% 7 05:40 AM 08:29 PM