Weather for Clarksville, Missouri
Current Weather
Five Day Weather Forecast
Thu
H: 86°F
L: 55°F
Fri
H: 72°F
L: 52°F
Sat
H: 72°F
L: 47°F
Sun
H: 72°F
L: 55°F
Mon
H: 79°F
L: 60°F
Air Quality
Nitrogen Dioxide: 2.25 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 113 μg/m3
Astronomical
Sun Transit: 1:01 PM
Sunset: 7:49 PM
Daylight: 13 hrs 34 mins
Moon Transit: 7:17 PM
Moonset: 2:08 AM
Moon Phase: First Quarter
Moon Illumination: 39.1%
Best Times for Fishing or Hunting
Major Periods
6:12 AM - 8:42 AM6:47 PM - 9:17 PM
Minor Periods
11:07 AM - 12:37 AM1:38 AM - 3:08 AM
Action Rating: 3 out of 5
Flood Warning issued April 22 at 9:06PM CDT by NWS St Louis MO
Effective: Wed April 22, 2026, 9:06 PM
Expires: Fri April 24, 2026, 9:15 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 Saverton. Mississippi River at Grafton. Mississippi River at Canton. Illinois River at Hardin. 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 Louisiana. * WHEN...Until further notice. * IMPACTS...At 17.0 feet, The parking area at the boat house floods. * ADDITIONAL DETAILS... - At 8:30 PM CDT Wednesday the stage was 18.1 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:30 PM CDT Wednesday was 18.2 feet. - Forecast...The river is expected to fall to 16.2 feet Wednesday, April 29. - Flood stage is 15.0 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 22 at 9:06PM CDT by NWS St Louis MO
Effective: Wed April 22, 2026, 9:06 PM
Expires: Fri April 24, 2026, 9:15 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 Saverton. Mississippi River at Grafton. Mississippi River at Canton. Illinois River at Hardin. 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 Clarksville. * WHEN...Until further notice. * IMPACTS...At 29.0 feet, Water enters the parking lot entrance at the Clarksville Riverfront Park. * ADDITIONAL DETAILS... - At 8:30 PM CDT Wednesday the stage was 28.3 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:30 PM CDT Wednesday was 28.4 feet. - Forecast...The river is expected to rise to a crest of 28.3 feet just after midnight tonight. - 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 22 at 9:06PM CDT by NWS St Louis MO
Effective: Wed April 22, 2026, 9:06 PM
Expires: Fri April 24, 2026, 9:15 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 Saverton. Mississippi River at Grafton. Mississippi River at Canton. Illinois River at Hardin. 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 Hannibal. * WHEN...Until further notice. * IMPACTS...At 19.0 feet, The Corps of Engineers begins flood fight procedures. At this level, preparations are made to install two flood gates at Hill Street and Center Street if the forecast exceeds 20.5 feet. * ADDITIONAL DETAILS... - At 8:15 PM CDT Wednesday the stage was 19.2 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:15 PM CDT Wednesday was 19.3 feet. - Forecast...The river is expected to fall to 17.5 feet Wednesday, April 29. - Flood stage is 17.0 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 22 at 9:06PM CDT until April 30 at 1:00PM CDT by NWS St Louis MO
Effective: Wed April 22, 2026, 9:06 PM
Expires: Fri April 24, 2026, 9:15 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 Saverton. Mississippi River at Grafton. Mississippi River at Canton. Illinois River at Hardin. 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 Saverton. * WHEN...Until Thursday, April 30. * ADDITIONAL DETAILS... - At 6:00 PM CDT Wednesday the stage was 17.9 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 6:00 PM CDT Wednesday was 17.9 feet. - Forecast...The river is expected to fall below flood stage Wednesday, April 29 and continue falling to 15.7 feet Wednesday, April 29. - Flood stage is 16.0 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 22 at 9:06PM CDT by NWS St Louis MO
Effective: Wed April 22, 2026, 9:06 PM
Expires: Fri April 24, 2026, 9:15 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 Saverton. Mississippi River at Grafton. Mississippi River at Canton. Illinois River at Hardin. 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...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 26.4 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:30 PM CDT Wednesday was 26.4 feet. - Forecast...The river is expected to rise to a crest of 26.4 feet just after midnight tonight. - 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
Weather Forecast
Air Quality
Nitrogen Dioxide: 7.31 μg/m3
Sulphur Dioxide: 1.49 μg/m3
Ozone: 82.16 μg/m3
Astronomical
Sun Transit: 1:01 PM
Sunset: 7:49 PM
Daylight: 13 hrs 34 mins
Moon Transit: 7:17 PM
Moonset: 2:08 AM
Moon Phase: First Quarter
Moon Illumination: 39.1%
Best Times for Fishing or Hunting
Major Periods
6:12 AM - 8:42 AM6:47 PM - 9:17 PM
Minor Periods
11:07 AM - 12:37 AM1:38 AM - 3:08 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.04 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 86.64 μg/m3
Astronomical
Sun Transit: 1:01 PM
Sunset: 7:50 PM
Daylight: 13 hrs 36 mins
Moon Transit: 8:10 PM
Moonset: 2:47 AM
Moon Phase: First Quarter
Moon Illumination: 50.4%
Best Times for Fishing or Hunting
Major Periods
7:07 AM - 9:37 AM7:40 PM - 10:10 PM
Minor Periods
12:20 AM - 1:50 PM2:17 AM - 3:47 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.86 μg/m3
Sulphur Dioxide: 1.44 μg/m3
Ozone: 76.4 μg/m3
Astronomical
Sun Transit: 1:01 PM
Sunset: 7:51 PM
Daylight: 13 hrs 39 mins
Moon Transit: 8:58 PM
Moonset: 3:18 AM
Moon Phase: First Quarter
Moon Illumination: 61.6%
Best Times for Fishing or Hunting
Major Periods
7:57 AM - 10:27 AM8:28 PM - 10:58 PM
Minor Periods
1:30 PM - 3:00 PM2:48 AM - 4:18 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.25 μg/m3
Sulphur Dioxide: 3.32 μg/m3
Ozone: 87.28 μg/m3
Astronomical
Sun Transit: 1:01 PM
Sunset: 7:52 PM
Daylight: 13 hrs 41 mins
Moon Transit: 9:42 PM
Moonset: 3:44 AM
Moon Phase: First Quarter
Moon Illumination: 72.3%
Best Times for Fishing or Hunting
Major Periods
8:43 AM - 11:13 AM9:12 PM - 11:42 PM
Minor Periods
2:37 PM - 4:07 PM3:14 AM - 4:44 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.6 μg/m3
Sulphur Dioxide: 2.08 μg/m3
Ozone: 95 μg/m3
Astronomical
Sun Transit: 1:01 PM
Sunset: 7:53 PM
Daylight: 13 hrs 43 mins
Moon Transit: 10:25 PM
Moonset: 4:07 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 81.8%
Best Times for Fishing or Hunting
Major Periods
9:26 AM - 11:56 AM12:00 AM - 12:00 AM
Minor Periods
3:42 PM - 5:12 PM3:37 AM - 5:07 AM
Action Rating: 2 out of 5