Weather for Clarksville, Missouri
Current Weather
Five Day Weather Forecast
Tue
H: 57°F
L: 50°F
Wed
H: 59°F
L: 41°F
Thu
H: 64°F
L: 42°F
Fri
H: 67°F
L: 45°F
Sat
H: 77°F
L: 50°F
Air Quality
Nitrogen Dioxide: 2.35 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 95 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
Flood Warning issued May 4 at 9:09PM CDT until May 7 at 7:00PM CDT by NWS St Louis MO
Effective: Mon May 4, 2026, 9:09 PM
Expires: Wed May 6, 2026, 9:15 AM
...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 Thursday evening. * IMPACTS...At 14.0 feet, The road to Norbut Fish and Wildlife area is flooded. * ADDITIONAL DETAILS... - At 8:30 PM CDT Monday the stage was 14.6 feet and falling. - Recent Activity...The river rose above flood stage on April 27, cresting near 15.4 feet on May 2. - Forecast...The river is expected to fall below flood stage early Wednesday afternoon and continue falling over the following days. - 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 4 at 9:09PM CDT until May 8 at 7:00PM CDT by NWS St Louis MO
Effective: Mon May 4, 2026, 9:09 PM
Expires: Wed May 6, 2026, 9:15 AM
...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 Friday evening. * 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 and falling. - Recent Activity...The river rose above flood stage on April 18. It crested near 28.8 feet on May 1. - Forecast...The river is expected to fall below flood stage early Thursday afternoon and continue falling to 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 4 at 9:25PM CDT by NWS Lincoln IL
Effective: Mon May 4, 2026, 9:25 PM
Expires: Tue May 5, 2026, 1:30 PM
...The Flood Warning continues for the following rivers in Illinois... Illinois River near Havana affecting Mason, Cass and Fulton Counties. Illinois River at Beardstown affecting Schuyler, Cass, Brown and Morgan Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River at Beardstown. * WHEN...Until further notice. * IMPACTS...At 18.0 feet, Seepage problems begin in the Lost Creek Drainage and Levee District. * ADDITIONAL DETAILS... - At 8:45 PM CDT Monday the stage was 17.7 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:45 PM CDT Monday was 17.9 feet. - Forecast...The river is expected to fall to 14.7 feet Monday, May 11. - Flood stage is 14.0 feet. - http://www.weather.gov/safety/flood
Persons with interests along this river need to remain aware of the latest forecasts and associated flood risk for their area. Stay tuned for further updates on this flooding situation. Additional information is available at www.weather.gov.
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.51 μg/m3
Sulphur Dioxide: 1.44 μg/m3
Ozone: 83.44 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: 3.67 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 74.12 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: 4.57 μg/m3
Sulphur Dioxide: 1.04 μg/m3
Ozone: 68.44 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: 3.84 μg/m3
Sulphur Dioxide: 1.13 μg/m3
Ozone: 74.48 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
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.02 μg/m3
Sulphur Dioxide: 1.6 μg/m3
Ozone: 66.08 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:05 PM
Daylight: 14 hrs 9 mins
Moon Transit: 7:04 AM
Moonset: 12:15 AM
Moon Phase: Last Quarter
Moon Illumination: 36.7%
Best Times for Fishing or Hunting
Major Periods
6:34 AM - 9:04 AM6:49 PM - 9:19 PM
Minor Periods
11:45 AM - 1:15 PM1:32 AM - 3:02 AM
Action Rating: 2 out of 5