Weather for Clarksville, Missouri
Current Weather
Five Day Weather Forecast
Sun
H: 79°F
L: 41°F
Mon
H: 74°F
L: 54°F
Tue
H: 56°F
L: 48°F
Wed
H: 53°F
L: 44°F
Thu
H: 63°F
L: 43°F
Air Quality
Nitrogen Dioxide: 1.55 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 108 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 7:59 PM
Daylight: 13 hrs 57 mins
Moon Transit: 2:06 AM
Moonset: 6:42 AM
Moon Phase: Full
Moon Illumination: 94.4%
Best Times for Fishing or Hunting
Major Periods
1:36 AM - 4:06 AM1:53 PM - 4:23 PM
Minor Periods
9:57 PM - 11:27 PM6:12 AM - 7:42 AM
Action Rating: 4 out of 5
Flood Warning issued May 2 at 9:45AM CDT until May 4 at 7:00PM CDT by NWS St Louis MO
Effective: Sat May 2, 2026, 9:45 AM
Expires: Sun May 3, 2026, 9:45 PM
...The Flood Warning is extended for the following river in Missouri and Illinois... Mississippi River near Herculaneum. Mississippi River at Mel Price LD. Mississippi River at Grafton. Mississippi River at Winfield. ...The Flood Warning continues for the following river in Missouri and Illinois... Mississippi River at Chester. Mississippi River at Louisiana. 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 Louisiana. * WHEN...Until Monday evening. * ADDITIONAL DETAILS... - At 9:30 AM CDT Saturday the stage was 16.3 feet. - Forecast...The river is expected to fall below flood stage Sunday afternoon. - 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 May 2 at 9:45AM CDT until May 4 at 7:00PM CDT by NWS St Louis MO
Effective: Sat May 2, 2026, 9:45 AM
Expires: Sun May 3, 2026, 9:45 PM
...The Flood Warning is extended for the following river in Missouri and Illinois... Mississippi River near Herculaneum. Mississippi River at Mel Price LD. Mississippi River at Grafton. Mississippi River at Winfield. ...The Flood Warning continues for the following river in Missouri and Illinois... Mississippi River at Chester. Mississippi River at Louisiana. 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 Monday evening. * ADDITIONAL DETAILS... - At 9:30 AM CDT Saturday the stage was 26.6 feet. - Forecast...The river is expected to fall below flood stage Sunday afternoon. - 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 2 at 8:19PM CDT until May 4 at 11:00PM CDT by NWS St Louis MO
Effective: Sat May 2, 2026, 8:19 PM
Expires: Mon May 4, 2026, 8:30 AM
...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 Louisiana. ...The Flood Warning is extended for the following rivers in Illinois...Missouri... Mississippi River at Winfield. 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 Monday evening. * IMPACTS...At 25.5 feet, State Route P east of Elsberry begins flooding just east of the levee. * ADDITIONAL DETAILS... - At 8:00 PM CDT Saturday the stage was 26.2 feet and falling. - Recent Activity...The river rose above flood stage on April 9. It crested near 29.1 feet on April 28. - Forecast...The river is expected to fall below flood stage tomorrow afternoon and continue falling over the following days. - 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 2 at 8:19PM CDT until May 4 at 7:00PM CDT by NWS St Louis MO
Effective: Sat May 2, 2026, 8:19 PM
Expires: Mon May 4, 2026, 8:30 AM
...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 Louisiana. ...The Flood Warning is extended for the following rivers in Illinois...Missouri... Mississippi River at Winfield. 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 Louisiana. * WHEN...Until Monday evening. * IMPACTS...At 15.0 feet, The first quarter mile of Edison Avenue beyond the railroad tracks begins flooding near this height. * ADDITIONAL DETAILS... - At 8:00 PM CDT Saturday the stage was 15.8 feet and falling. - Recent Activity...The river rose above flood stage on April 9. It crested near 18.8 feet on April 28. - Forecast...The river is expected to fall below flood stage early tomorrow afternoon and continue falling over the following days. - 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 May 2 at 9:38AM CDT until May 6 at 7:00PM CDT by NWS St Louis MO
Effective: Sat May 2, 2026, 9:38 AM
Expires: Sun May 3, 2026, 9:45 PM
...The Flood Warning is extended for the following river in Illinois... Illinois River at Meredosia. ...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 forecast. * WHERE...Illinois River at Meredosia. * WHEN...Until Wednesday evening. * ADDITIONAL DETAILS... - At 9:00 AM CDT Saturday the stage was 16.9 feet. - Forecast...The river is expected to rise above flood stage this afternoon to a crest of 17.1 feet Sunday morning. - 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
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.13 μg/m3
Sulphur Dioxide: 1.27 μg/m3
Ozone: 79 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 7:59 PM
Daylight: 13 hrs 57 mins
Moon Transit: 2:06 AM
Moonset: 6:42 AM
Moon Phase: Full
Moon Illumination: 94.4%
Best Times for Fishing or Hunting
Major Periods
1:36 AM - 4:06 AM1:53 PM - 4:23 PM
Minor Periods
9:57 PM - 11:27 PM6:12 AM - 7:42 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.2 μg/m3
Sulphur Dioxide: 1.56 μg/m3
Ozone: 79.36 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: 3.76 μg/m3
Sulphur Dioxide: 1.33 μg/m3
Ozone: 81.76 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: 4.22 μg/m3
Sulphur Dioxide: 1.17 μg/m3
Ozone: 70.24 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: 6.63 μg/m3
Sulphur Dioxide: 1.21 μg/m3
Ozone: 55.31 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