Weather for Clarksville, Missouri
Current Weather
Five Day Weather Forecast
Mon
H: 83°F
L: 55°F
Tue
H: 62°F
L: 51°F
Wed
H: 55°F
L: 44°F
Thu
H: 62°F
L: 40°F
Fri
H: 62°F
L: 46°F
Air Quality
Nitrogen Dioxide: 1.65 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 116 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:00 PM
Daylight: 13 hrs 59 mins
Moon Transit: 2:56 AM
Moonset: 7:23 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.0%
Best Times for Fishing or Hunting
Major Periods
2:26 AM - 4:56 AM2:44 PM - 5:14 PM
Minor Periods
12:00 AM - 12:00 AM6:53 AM - 8:23 AM
Action Rating: 2 out of 5
Flood Warning issued May 3 at 10:29AM CDT until May 5 at 3:00AM CDT by NWS St Louis MO
Effective: Sun May 3, 2026, 10:29 AM
Expires: Mon May 4, 2026, 10:30 PM
...The Flood Warning continues for the following rivers in Illinois...Missouri... Mississippi River at Mel Price LD. Mississippi River at Chester. Mississippi River at Grafton. Mississippi River at Winfield. Mississippi River at Louisiana. ...The Flood Warning is extended for the following rivers in Illinois...Missouri... Mississippi River at Clarksville. 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 Monday night. * ADDITIONAL DETAILS... - At 10:00 AM CDT Sunday the stage was 25.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:00 AM CDT Sunday was 26.6 feet. - Forecast...The river is expected to fall below flood stage late this evening. - 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 May 3 at 10:13AM CDT until May 10 at 1:00AM CDT by NWS St Louis MO
Effective: Sun May 3, 2026, 10:13 AM
Expires: Mon May 4, 2026, 10:15 PM
...The Flood Warning continues for the following rivers in Illinois... 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 Valley City. * WHEN...Until late Saturday night. * ADDITIONAL DETAILS... - At 10:00 AM CDT Sunday the stage was 15.1 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:00 AM CDT Sunday was 15.3 feet. - Forecast...The river is expected to fall below flood stage Friday evening. - Flood stage is 14.0 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 May 3 at 8:30PM CDT until May 10 at 1:00AM CDT by NWS St Louis MO
Effective: Sun May 3, 2026, 8:30 PM
Expires: Tue May 5, 2026, 8:30 AM
...The Flood Warning continues for the following river in Illinois... 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 Valley City. * WHEN...Until late Saturday night. * IMPACTS...At 14.0 feet, The road to Norbut Fish and Wildlife area is flooded. * ADDITIONAL DETAILS... - At 8:00 PM CDT Sunday the stage was 15.0 feet. - Forecast...The river is expected to fall below flood stage Friday evening. - Flood stage is 14.0 feet.
Motorists should not attempt to drive around barricades or drive cars through flooded areas. Rainfall heavier than forecast could cause river levels to rise even higher than predicted. The National Weather Service will monitor this developing situation and issue follow up statements as conditions change. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx
Flood Warning issued May 3 at 10:29AM CDT until May 5 at 3:00AM CDT by NWS St Louis MO
Effective: Sun May 3, 2026, 10:29 AM
Expires: Mon May 4, 2026, 10:30 PM
...The Flood Warning continues for the following rivers in Illinois...Missouri... Mississippi River at Mel Price LD. Mississippi River at Chester. Mississippi River at Grafton. Mississippi River at Winfield. Mississippi River at Louisiana. ...The Flood Warning is extended for the following rivers in Illinois...Missouri... Mississippi River at Clarksville. 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 late Monday night. * ADDITIONAL DETAILS... - At 10:00 AM CDT Sunday the stage was 26.6 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:00 AM CDT Sunday was 27.8 feet. - Forecast...The river is expected to fall below flood stage late this evening. - 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 May 3 at 10:13AM CDT by NWS St Louis MO
Effective: Sun May 3, 2026, 10:13 AM
Expires: Mon May 4, 2026, 10:15 PM
...The Flood Warning continues for the following rivers in Illinois... 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 10:00 AM CDT Sunday the stage was 27.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:00 AM CDT Sunday was 28.3 feet. - Forecast...The river is expected to continue a slow fall, but remain above flood stage. It is expected to fall as low as 25.9 feet by Friday, May 08. - 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: 6.41 μg/m3
Sulphur Dioxide: 1.56 μg/m3
Ozone: 80.6 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:00 PM
Daylight: 13 hrs 59 mins
Moon Transit: 2:56 AM
Moonset: 7:23 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.0%
Best Times for Fishing or Hunting
Major Periods
2:26 AM - 4:56 AM2:44 PM - 5:14 PM
Minor Periods
12:00 AM - 12:00 AM6:53 AM - 8:23 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.4 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 77.84 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:01 PM
Daylight: 14 hrs 1 mins
Moon Transit: 3:47 AM
Moonset: 8:12 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.8%
Best Times for Fishing or Hunting
Major Periods
3:17 AM - 5:47 AM3:35 PM - 6:05 PM
Minor Periods
7:42 AM - 9:12 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.82 μg/m3
Sulphur Dioxide: 1.19 μg/m3
Ozone: 75.32 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:02 PM
Daylight: 14 hrs 3 mins
Moon Transit: 4:39 AM
Moonset: 9:07 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.0%
Best Times for Fishing or Hunting
Major Periods
4:09 AM - 6:39 AM4:26 PM - 6:56 PM
Minor Periods
8:37 AM - 10:07 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.87 μg/m3
Sulphur Dioxide: 1.08 μg/m3
Ozone: 73.52 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:03 PM
Daylight: 14 hrs 5 mins
Moon Transit: 5:29 AM
Moonset: 10:07 AM
Moon Phase: Waning Gibbous
Moon Illumination: 59.1%
Best Times for Fishing or Hunting
Major Periods
4:59 AM - 7:29 AM5:16 PM - 7:46 PM
Minor Periods
9:37 AM - 11:07 AM12:26 AM - 1:56 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.69 μg/m3
Sulphur Dioxide: 1.22 μg/m3
Ozone: 62.08 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:04 PM
Daylight: 14 hrs 7 mins
Moon Transit: 6:17 AM
Moonset: 11:10 AM
Moon Phase: Last Quarter
Moon Illumination: 47.9%
Best Times for Fishing or Hunting
Major Periods
5:47 AM - 8:17 AM6:04 PM - 8:34 PM
Minor Periods
10:40 AM - 12:10 AM1:02 AM - 2:32 AM
Action Rating: 4 out of 5