Weather for Clarksville, Missouri
Current Weather
Humidity: 76%
Feels Like: 88.2°F
Wind: ESE 6 mph
Wind Gusts: 9.5 mph
Precipitation: 0 in
Cloud Cover: 50%
Visibility: 9 mi
UV Index: 0.4
Five Day Weather Forecast
Fri
H: 86°F
L: 72°F
Sat
H: 97°F
L: 71°F
Sun
H: 89°F
L: 74°F
Mon
H: 93°F
L: 77°F
Tue
H: 92°F
L: 72°F
Air Quality
Nitrogen Dioxide: 10.92 μg/m3
Sulphur Dioxide: 2.04 μg/m3
Ozone: 57 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 8:28 PM
Daylight: 14 hrs 36 mins
Moon Transit: 7:13 AM
Moonset: 2:28 PM
Moon Phase: Last Quarter
Moon Illumination: 33.4%
Best Times for Fishing or Hunting
Major Periods
6:43 AM - 9:13 AM7:02 PM - 9:32 PM
Minor Periods
1:58 PM - 3:28 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Flood Warning issued July 18 at 10:46AM CDT until July 19 at 10:00PM CDT by NWS St Louis MO
Effective: Fri July 18, 2025, 10:46 AM
Expires: Sat July 19, 2025, 10:00 PM
...The Flood Warning continues for the following rivers in Illinois...Missouri... 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 Saturday 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 10:30 AM CDT Friday the stage was 15.1 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:30 AM CDT Friday was 15.4 feet. - Forecast...The river is expected to rise to a crest of 15.1 feet this afternoon. It will then fall below flood stage late this afternoon. - Flood stage is 15.0 feet.
Motorists should not attempt to drive around barricades or drive cars through flooded areas. Stay tuned to further developments by listening to your local radio, television, or NOAA Weather Radio for further information. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx
Flood Warning issued July 18 at 10:46AM CDT until July 20 at 7:00AM CDT by NWS St Louis MO
Effective: Fri July 18, 2025, 10:46 AM
Expires: Sat July 19, 2025, 11:00 PM
...The Flood Warning continues for the following rivers in Illinois...Missouri... 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 Sunday morning. * IMPACTS...At 25.3 feet, The road to Port Marmac, a riverside community of about 15 homes just south of Clarksville, begins flooding. * ADDITIONAL DETAILS... - At 10:30 AM CDT Friday the stage was 25.3 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:30 AM CDT Friday was 25.5 feet. - Forecast...The river is expected to fall below flood stage just after midnight tonight and continue falling to 21.7 feet Friday, July 25. - Flood stage is 25.0 feet.
Motorists should not attempt to drive around barricades or drive cars through flooded areas. Stay tuned to further developments by listening to your local radio, television, or NOAA Weather Radio for further information. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx
Flood Warning issued July 18 at 10:46AM CDT until July 19 at 10:00PM CDT by NWS St Louis MO
Effective: Fri July 18, 2025, 10:46 AM
Expires: Sat July 19, 2025, 10:00 PM
...The Flood Warning continues for the following rivers in Illinois...Missouri... 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 Saturday 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 10:30 AM CDT Friday the stage was 15.1 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:30 AM CDT Friday was 15.4 feet. - Forecast...The river is expected to rise to a crest of 15.1 feet this afternoon. It will then fall below flood stage late this afternoon. - Flood stage is 15.0 feet.
Motorists should not attempt to drive around barricades or drive cars through flooded areas. Stay tuned to further developments by listening to your local radio, television, or NOAA Weather Radio for further information. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx
Flood Warning issued July 18 at 10:46AM CDT until July 20 at 7:00AM CDT by NWS St Louis MO
Effective: Fri July 18, 2025, 10:46 AM
Expires: Sat July 19, 2025, 11:00 PM
...The Flood Warning continues for the following rivers in Illinois...Missouri... 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 Sunday morning. * IMPACTS...At 25.3 feet, The road to Port Marmac, a riverside community of about 15 homes just south of Clarksville, begins flooding. * ADDITIONAL DETAILS... - At 10:30 AM CDT Friday the stage was 25.3 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:30 AM CDT Friday was 25.5 feet. - Forecast...The river is expected to fall below flood stage just after midnight tonight and continue falling to 21.7 feet Friday, July 25. - Flood stage is 25.0 feet.
Motorists should not attempt to drive around barricades or drive cars through flooded areas. Stay tuned to further developments by listening to your local radio, television, or NOAA Weather Radio for further information. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx
Weather Forecast
Average Temperature: 76.8°F
Average Humidity: 86%
Wind: 7.6 mph
UV Index: 2
Air Quality
Nitrogen Dioxide: 11.94 μg/m3
Sulphur Dioxide: 1.42 μg/m3
Ozone: 76.16 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 8:28 PM
Daylight: 14 hrs 36 mins
Moon Transit: 7:13 AM
Moonset: 2:28 PM
Moon Phase: Last Quarter
Moon Illumination: 33.4%
Best Times for Fishing or Hunting
Major Periods
6:43 AM - 9:13 AM7:02 PM - 9:32 PM
Minor Periods
1:58 PM - 3:28 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 82.8°F
Average Humidity: 79%
Wind: 10.5 mph
UV Index: 2.5
Air Quality
Nitrogen Dioxide: 7.39 μg/m3
Sulphur Dioxide: 1.44 μg/m3
Ozone: 72.2 μg/m3
Astronomical
Sun Transit: 1:10 PM
Sunset: 8:27 PM
Daylight: 14 hrs 35 mins
Moon Transit: 8:07 AM
Moonset: 3:43 PM
Moon Phase: Last Quarter
Moon Illumination: 23.2%
Best Times for Fishing or Hunting
Major Periods
7:37 AM - 10:07 AM7:58 PM - 10:28 PM
Minor Periods
3:13 PM - 4:43 PM12:14 AM - 1:44 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 80.8°F
Average Humidity: 83%
Wind: 11 mph
UV Index: 2.6
Air Quality
Nitrogen Dioxide: 12.45 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 78.92 μg/m3
Astronomical
Sun Transit: 1:10 PM
Sunset: 8:26 PM
Daylight: 14 hrs 33 mins
Moon Transit: 9:05 AM
Moonset: 5:00 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.4%
Best Times for Fishing or Hunting
Major Periods
8:35 AM - 11:05 AM8:58 PM - 11:28 PM
Minor Periods
4:30 PM - 6:00 PM12:51 AM - 2:21 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 82°F
Average Humidity: 86%
Wind: 11.9 mph
UV Index: 2.3
Air Quality
Nitrogen Dioxide: 7.59 μg/m3
Sulphur Dioxide: 1.62 μg/m3
Ozone: 90.36 μg/m3
Astronomical
Sun Transit: 1:10 PM
Sunset: 8:26 PM
Daylight: 14 hrs 31 mins
Moon Transit: 10:07 AM
Moonset: 6:12 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.4%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM9:37 AM - 12:07 AM
Minor Periods
5:42 PM - 7:12 PM1:38 AM - 3:08 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 80.6°F
Average Humidity: 83%
Wind: 11.6 mph
UV Index: 2.7
Air Quality
Nitrogen Dioxide: 11.21 μg/m3
Sulphur Dioxide: 2.6 μg/m3
Ozone: 69.23 μg/m3
Astronomical
Sun Transit: 1:10 PM
Sunset: 8:25 PM
Daylight: 14 hrs 30 mins
Moon Transit: 11:10 AM
Moonset: 7:14 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.6%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM10:40 AM - 1:10 PM
Minor Periods
6:44 PM - 8:14 PM2:35 AM - 4:05 AM
Action Rating: 3 out of 5