Weather for Cap Au Gris, Missouri
Current Weather
Five Day Weather Forecast
Tue
H: 82°F
L: 51°F
Wed
H: 74°F
L: 56°F
Thu
H: 80°F
L: 56°F
Fri
H: 76°F
L: 58°F
Sat
H: 69°F
L: 50°F
Air Quality
Nitrogen Dioxide: 3.55 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 79 μg/m3
Astronomical
Sun Transit: 1:01 PM
Sunset: 7:46 PM
Daylight: 13 hrs 28 mins
Moon Transit: 5:17 PM
Moonset: 12:15 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%
Best Times for Fishing or Hunting
Major Periods
4:08 AM - 6:38 AM4:47 PM - 7:17 PM
Minor Periods
8:44 AM - 10:14 AM12:00 AM - 12:00 AM
Action Rating: 4 out of 5
Flood Warning issued April 20 at 9:30PM CDT by NWS St Louis MO
Effective: Mon April 20, 2026, 9:30 PM
Expires: Wed April 22, 2026, 9:30 AM
...The Flood Warning is extended for the following rivers in Illinois...Missouri... Mississippi River at Chester. ...The Flood Warning continues for the following rivers in Illinois...Missouri... Mississippi River at Grafton. Mississippi River at Canton. Mississippi River at Saverton. Mississippi River at Winfield. Mississippi River at Hannibal. Mississippi River at Clarksville. Mississippi River at Louisiana. ...The Flood Warning is cancelled for the following rivers in Illinois...Missouri... Mississippi River at Lock & Dam 21. 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 further notice. * IMPACTS...At 29.0 feet, Water enters the parking lot entrance at the Clarksville Riverfront Park. * ADDITIONAL DETAILS... - At 9:00 PM CDT Monday the stage was 28.4 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Monday was 28.4 feet. - Forecast...The river is expected to fall to 27.0 feet Monday, April 27. - 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
Flood Warning issued April 20 at 9:30PM CDT by NWS St Louis MO
Effective: Mon April 20, 2026, 9:30 PM
Expires: Wed April 22, 2026, 9:30 AM
...The Flood Warning is extended for the following rivers in Illinois...Missouri... Mississippi River at Chester. ...The Flood Warning continues for the following rivers in Illinois...Missouri... Mississippi River at Grafton. Mississippi River at Canton. Mississippi River at Saverton. Mississippi River at Winfield. Mississippi River at Hannibal. Mississippi River at Clarksville. Mississippi River at Louisiana. ...The Flood Warning is cancelled for the following rivers in Illinois...Missouri... Mississippi River at Lock & Dam 21. 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 Winfield. * WHEN...Until further notice. * IMPACTS...At 28.3 feet, Near this height, Lakeview Drive becomes impassable and Kampville Road begins flooding in northern St. Charles County. * ADDITIONAL DETAILS... - At 9:00 PM CDT Monday the stage was 28.2 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Monday was 28.2 feet. - Forecast...The river is expected to rise to a crest of 28.3 feet tomorrow morning. - Flood stage is 26.0 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
Flood Warning issued April 20 at 8:43PM CDT by NWS St Louis MO
Effective: Mon April 20, 2026, 8:43 PM
Expires: Wed April 22, 2026, 8:45 AM
...The Flood Warning continues for the following rivers in Illinois... 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 Monday the stage was 26.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:30 PM CDT Monday was 26.0 feet. - Forecast...The river is expected to rise to a crest of 26.6 feet Wednesday 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
Flood Warning issued April 21 at 11:18AM CDT by NWS St Louis MO
Effective: Tue April 21, 2026, 11:18 AM
Expires: Wed April 22, 2026, 11:30 PM
...The Flood Warning continues for the following rivers in Illinois... 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 11:00 AM CDT Tuesday the stage was 26.1 feet. - Forecast...The river is expected to rise to a crest of 26.5 feet Thursday 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
Flood Warning issued April 21 at 11:16AM CDT by NWS St Louis MO
Effective: Tue April 21, 2026, 11:16 AM
Expires: Wed April 22, 2026, 11:30 PM
...The Flood Warning is extended for the Mississippi River at the following points... Mississippi River at Grafton. Mississippi River at Canton. Mississippi River at Saverton. Mississippi River at Winfield. Mississippi River at Hannibal. Mississippi River at Clarksville. Mississippi River at Louisiana. 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 Winfield. * WHEN...Until further notice. * IMPACTS...At 28.3 feet, Near this height, Lakeview Drive becomes impassable and Kampville Road begins flooding in northern St. Charles County. * ADDITIONAL DETAILS... - At 10:30 AM CDT Tuesday the stage was 28.3 feet. - Forecast...The river is expected to rise to a crest of 28.3 feet this afternoon. - Flood stage is 26.0 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
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.73 μg/m3
Sulphur Dioxide: 2.41 μg/m3
Ozone: 93.76 μg/m3
Astronomical
Sun Transit: 1:01 PM
Sunset: 7:46 PM
Daylight: 13 hrs 28 mins
Moon Transit: 5:17 PM
Moonset: 12:15 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%
Best Times for Fishing or Hunting
Major Periods
4:08 AM - 6:38 AM4:47 PM - 7:17 PM
Minor Periods
8:44 AM - 10:14 AM12:00 AM - 12:00 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.29 μg/m3
Sulphur Dioxide: 1.56 μg/m3
Ozone: 90 μg/m3
Astronomical
Sun Transit: 1:01 PM
Sunset: 7:47 PM
Daylight: 13 hrs 30 mins
Moon Transit: 6:19 PM
Moonset: 1:16 AM
Moon Phase: Waxing Crescent
Moon Illumination: 28.4%
Best Times for Fishing or Hunting
Major Periods
5:12 AM - 7:42 AM5:49 PM - 8:19 PM
Minor Periods
9:54 AM - 11:24 AM12:46 AM - 2:16 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 7.61 μg/m3
Sulphur Dioxide: 2.27 μg/m3
Ozone: 87 μg/m3
Astronomical
Sun Transit: 1:01 PM
Sunset: 7:48 PM
Daylight: 13 hrs 33 mins
Moon Transit: 7:17 PM
Moonset: 2:06 AM
Moon Phase: First Quarter
Moon Illumination: 39.1%
Best Times for Fishing or Hunting
Major Periods
6:13 AM - 8:43 AM6:47 PM - 9:17 PM
Minor Periods
11:07 AM - 12:37 AM1:36 AM - 3:06 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.39 μg/m3
Sulphur Dioxide: 1.99 μg/m3
Ozone: 89.76 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 7:49 PM
Daylight: 13 hrs 35 mins
Moon Transit: 8:09 PM
Moonset: 2:45 AM
Moon Phase: First Quarter
Moon Illumination: 50.4%
Best Times for Fishing or Hunting
Major Periods
7:08 AM - 9:38 AM7:39 PM - 10:09 PM
Minor Periods
12:20 AM - 1:50 PM2:15 AM - 3:45 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.13 μg/m3
Sulphur Dioxide: 1.13 μg/m3
Ozone: 66.23 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 7:50 PM
Daylight: 13 hrs 37 mins
Moon Transit: 8:57 PM
Moonset: 3:16 AM
Moon Phase: First Quarter
Moon Illumination: 61.6%
Best Times for Fishing or Hunting
Major Periods
7:58 AM - 10:28 AM8:27 PM - 10:57 PM
Minor Periods
1:30 PM - 3:00 PM2:46 AM - 4:16 AM
Action Rating: 2 out of 5