Weather for St Charles, Missouri
Current Weather
Five Day Weather Forecast
Mon
H: 79°F
L: 59°F
Tue
H: 79°F
L: 62°F
Wed
H: 94°F
L: 64°F
Thu
H: 74°F
L: 64°F
Fri
H: 76°F
L: 59°F
Air Quality
Nitrogen Dioxide: 24.3 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 34 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 8:29 PM
Daylight: 14 hrs 53 mins
Moon Transit: 1:44 PM
Moonset: 9:42 PM
Moon Phase: New
Moon Illumination: 3.8%
Best Times for Fishing or Hunting
Major Periods
12:36 AM - 3:06 AM1:14 PM - 3:44 PM
Minor Periods
9:12 PM - 10:42 PM5:12 AM - 6:42 AM
Action Rating: 4 out of 5
Flood Warning issued June 14 at 11:15AM CDT by NWS St Louis MO
Effective: Sun June 14, 2026, 11:15 AM
Expires: Mon June 15, 2026, 11:15 PM
...The National Weather Service in St Louis has issued a Flood Warning for the following rivers in Illinois... Illinois River at Hardin. Illinois River at Valley City. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is forecast. * WHERE...Illinois River at Hardin. * WHEN...From late tonight until further notice. * IMPACTS...At 25.0 feet, Flood Stage. Lowland flooding of unprotected agricultural land begins. * ADDITIONAL DETAILS... - At 11:00 AM CDT Sunday the stage was 24.4 feet and rising. - Forecast...The river is expected to rise above flood stage late tonight and continue rising to a crest of 26.3 feet Friday morning. - Flood stage is 25.0 feet.
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx
Flood Warning issued June 14 at 11:25AM CDT until June 20 at 9:24AM CDT by NWS St Louis MO
Effective: Sun June 14, 2026, 11:25 AM
Expires: Mon June 15, 2026, 11:30 PM
...The Flood Warning is extended for the following rivers in Missouri...Illinois... Mississippi River at Hannibal. ...The Flood Warning continues for the following rivers in Missouri...Illinois... Mississippi River at Clarksville. Mississippi River at Louisiana. Mississippi River at Saverton. Mississippi River at Winfield. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is forecast. * WHERE...Mississippi River at Winfield. * WHEN...From Monday afternoon to Saturday morning. * IMPACTS...At 27.5 feet, At this stage, Lock and Dam 25 will stockpile 200 tons of sand, 12,000 sandbags, and 10,000 square feet of polyethylene plastic as a precaution. * ADDITIONAL DETAILS... - At 11:00 AM CDT Sunday the stage was 25.4 feet and rising. - Forecast...The river is expected to rise above flood stage early tomorrow afternoon to a crest of 27.0 feet Wednesday evening. It will then fall below flood stage early Friday morning. - Flood stage is 26.0 feet.
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx
Flood Warning issued June 14 at 11:25AM CDT until June 20 at 3:34AM CDT by NWS St Louis MO
Effective: Sun June 14, 2026, 11:25 AM
Expires: Mon June 15, 2026, 11:30 PM
...The Flood Warning is extended for the following rivers in Missouri...Illinois... Mississippi River at Hannibal. ...The Flood Warning continues for the following rivers in Missouri...Illinois... Mississippi River at Clarksville. Mississippi River at Louisiana. Mississippi River at Saverton. Mississippi River at Winfield. 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...Mississippi River at Clarksville. * WHEN...Until late Friday night. * IMPACTS...At 27.2 feet, Silo Park just northwest of Clarksville off Highway 79 begins flooding. * ADDITIONAL DETAILS... - At 11:00 AM CDT Sunday the stage was 25.8 feet and rising. - Recent Activity...The river rose above flood stage on June 13. - Forecast...The river is expected to rise to a crest of 27.1 feet early Wednesday morning. It will then fall below flood stage late Thursday evening. - Flood stage is 25.0 feet.
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx
Weather Forecast
Air Quality
Nitrogen Dioxide: 13.38 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 67.13 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 8:29 PM
Daylight: 14 hrs 53 mins
Moon Transit: 1:44 PM
Moonset: 9:42 PM
Moon Phase: New
Moon Illumination: 3.8%
Best Times for Fishing or Hunting
Major Periods
12:36 AM - 3:06 AM1:14 PM - 3:44 PM
Minor Periods
9:12 PM - 10:42 PM5:12 AM - 6:42 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 8.08 μg/m3
Sulphur Dioxide: 1.79 μg/m3
Ozone: 77.63 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 8:29 PM
Daylight: 14 hrs 53 mins
Moon Transit: 2:49 PM
Moonset: 10:33 PM
Moon Phase: New
Moon Illumination: 1.0%
Best Times for Fishing or Hunting
Major Periods
1:43 AM - 4:13 AM2:19 PM - 4:49 PM
Minor Periods
10:03 PM - 11:33 PM6:27 AM - 7:57 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 10.37 μg/m3
Sulphur Dioxide: 2.41 μg/m3
Ozone: 67.71 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 8:30 PM
Daylight: 14 hrs 53 mins
Moon Transit: 3:50 PM
Moonset: 11:13 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.6%
Best Times for Fishing or Hunting
Major Periods
2:46 AM - 5:16 AM3:20 PM - 5:50 PM
Minor Periods
12:00 AM - 12:00 AM7:45 AM - 9:15 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.73 μg/m3
Sulphur Dioxide: 0.98 μg/m3
Ozone: 72.08 μg/m3
Astronomical
Sun Transit: 1:03 PM
Sunset: 8:30 PM
Daylight: 14 hrs 54 mins
Moon Transit: 4:44 PM
Moonset: 12:13 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.4%
Best Times for Fishing or Hunting
Major Periods
3:44 AM - 6:14 AM4:14 PM - 6:44 PM
Minor Periods
9:02 AM - 10:32 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 12.94 μg/m3
Sulphur Dioxide: 1.56 μg/m3
Ozone: 37.25 μg/m3
Astronomical
Sun Transit: 1:03 PM
Sunset: 8:30 PM
Daylight: 14 hrs 54 mins
Moon Transit: 5:34 PM
Moonset: 12:45 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.3%
Best Times for Fishing or Hunting
Major Periods
4:36 AM - 7:06 AM5:04 PM - 7:34 PM
Minor Periods
10:15 AM - 11:45 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5