St. Louis

United States › Missouri

Temperature:

Weather Forecast

St. Louis

Chance of rain: 88%

72°F

Feels like 76°F

Light rain
Light rain

Today's Forecast

12 AM 71°F
1 AM 72°F
2 AM 71°F
3 AM 71°F
4 AM 71°F
5 AM 71°F

Air Conditions

Real Feel 76°F
Wind WSW 5 km/h
Chance of Rain 88%
UV Index 0

Air quality: Good

Weather Alerts

Flash Flood Warning issued June 25 at 6:14PM CDT until June 25 at 8:15PM CDT by NWS St Louis MO

At 614 PM CDT, Doppler radar indicated the thunderstorms which produced heavy rain across the warned area have largely ended. However, runoff from the storms is still occurring. Between 1 and 3 inches of rain have fallen. Be aware of ongoing flash flooding. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... O'Fallon, St. Charles, St. Peters, Dardenne Prairie, Weldon Spring, Cottleville, St. Paul, Weldon Spring Heights, Harvester and Kampville. This includes the following State Parks... First Missouri State Capitol Historic Site. This includes Interstate 70 in Missouri between exits 216 and 229.

Effective: 2026-06-25T18:14:00-05:00
Flash Flood Warning issued June 25 at 4:18PM CDT until June 25 at 8:15PM CDT by NWS St Louis MO

FFWLSX The National Weather Service in St Louis has issued a * Flash Flood Warning for... Central Saint Charles County in east central Missouri... * Until 815 PM CDT. * At 418 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... O'Fallon, St. Charles, St. Peters, Dardenne Prairie, Weldon Spring, Cottleville, St. Paul, Weldon Spring Heights, Harvester and Kampville. This includes the following State Parks... First Missouri State Capitol Historic Site. This includes Interstate 70 in Missouri between exits 216 and 229.

Effective: 2026-06-25T16:18:00-05:00
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 Warning issued June 25 at 8:55PM 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. * ADDITIONAL DETAILS... - At 8:30 PM CDT Thursday the stage was 26.9 feet. - Forecast...The river is expected to rise to a crest of 27.0 feet just after midnight tonight. - Flood stage is 25.0 feet.

Effective: 2026-06-25T20:55:00-05:00
Flood Advisory issued June 25 at 6:08PM CDT until June 25 at 10:15PM CDT by NWS St Louis MO

* WHAT...Urban area and small stream flooding caused by excessive rainfall is expected. * WHERE...Northern Franklin County in east central Missouri... * WHEN...Until 1015 PM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Water over roadways. * ADDITIONAL DETAILS... - At 608 PM CDT, Doppler radar indicated heavy rain due to thunderstorms. This will cause urban and small stream flooding. Between 1 and 3 inches of rain have fallen. - Some locations that will experience flooding include... Washington, Union, Pacific, New Haven, Villa Ridge, Gray Summit, Berger and Lyon.

Effective: 2026-06-25T18:08:00-05:00

Temperature - Past 7 Days & Forecast

Detailed 7-Day Forecast

Day High Low Condition Rain Wind Humidity UV Sunrise Sunset
Fri Jun 26 82°F 70°F Heavy rain 88% 12 km/h 89% 6 05:38 AM 08:29 PM
Sat Jun 27 87°F 69°F Heavy rain 91% 14 km/h 92% 6.1 05:38 AM 08:29 PM
Sun Jun 28 98°F 71°F Sunny 17% 14 km/h 71% 10.6 05:38 AM 08:29 PM
Mon Jun 29 100°F 75°F Sunny 4% 16 km/h 61% 10.9 05:39 AM 08:29 PM
Tue Jun 30 99°F 76°F Sunny 4% 13 km/h 63% 0.5 05:39 AM 08:29 PM
Wed Jul 1 97°F 75°F Sunny 4% 16 km/h 65% 7 05:40 AM 08:29 PM
Thu Jul 2 94°F 76°F Patchy rain nearby 57% 13 km/h 69% 6 05:40 AM 08:29 PM