Weather for Sumner, Missouri
Current Weather
Five Day Weather Forecast
Wed
H: 65°F
L: 48°F
Thu
H: 64°F
L: 52°F
Fri
H: 61°F
L: 54°F
Sat
H: 79°F
L: 57°F
Sun
H: 73°F
L: 65°F
Air Quality
Nitrogen Dioxide: 1.45 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 80 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 8:26 PM
Daylight: 14 hrs 31 mins
Moon Transit: 5:18 PM
Moonset: 12:12 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.4%
Best Times for Fishing or Hunting
Major Periods
3:51 AM - 6:21 AM4:48 PM - 7:18 PM
Minor Periods
9:00 AM - 10:30 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Flood Warning issued May 19 at 8:12PM CDT until May 24 at 3:22AM CDT by NWS Kansas City/Pleasant Hill MO
Effective: Tue May 19, 2026, 8:12 PM
Expires: Wed May 20, 2026, 8:15 PM
...The Flood Warning is extended for the following rivers in Missouri... Grand River near Brunswick affecting Chariton and Carroll Counties. ...The Flood Warning continues for the following rivers in Missouri... Grand River near Gallatin affecting Daviess and Livingston Counties. Grand River near Pattonsburg affecting Daviess and Gentry Counties. Grand River near Sumner affecting Chariton, Linn, Livingston and Carroll Counties. Grand River near Chillicothe affecting Linn and Livingston Counties. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Grand River near Sumner. * WHEN...Until late Saturday night. * IMPACTS...At 37.0 feet, State Highway 139 floods a half mile east of Sumner. * ADDITIONAL DETAILS... - At 7:45 PM CDT Tuesday the stage was 36.0 feet. - Forecast...The river is expected to rise to a crest of 36.2 feet tomorrow morning. It will then fall below flood stage early Saturday morning. - Flood stage is 26.0 feet. - http://www.weather.gov/safety/flood
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. 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 www.weather.gov/kc/.
Flood Warning issued May 19 at 8:12PM CDT until May 24 at 6:08PM CDT by NWS Kansas City/Pleasant Hill MO
Effective: Tue May 19, 2026, 8:12 PM
Expires: Wed May 20, 2026, 8:15 PM
...The Flood Warning is extended for the following rivers in Missouri... Grand River near Brunswick affecting Chariton and Carroll Counties. ...The Flood Warning continues for the following rivers in Missouri... Grand River near Gallatin affecting Daviess and Livingston Counties. Grand River near Pattonsburg affecting Daviess and Gentry Counties. Grand River near Sumner affecting Chariton, Linn, Livingston and Carroll Counties. Grand River near Chillicothe affecting Linn and Livingston Counties. * WHAT...Minor flooding is forecast. * WHERE...Grand River near Brunswick. * WHEN...Until Sunday evening. * IMPACTS...At 22.0 feet, Low-lying areas along the east bank of the Grand River near the U.S. Highway 24 bridge begin to flood. * ADDITIONAL DETAILS... - At 5:19 PM CDT Tuesday the stage was 18.5 feet. - Forecast...The river is expected to rise above flood stage late this evening to a crest of 23.3 feet Thursday evening. It will then fall below flood stage Saturday evening. - Flood stage is 19.0 feet. - http://www.weather.gov/safety/flood
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. 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 www.weather.gov/kc/.
Flood Warning issued May 19 at 8:06PM CDT until May 23 at 10:00AM CDT by NWS Kansas City/Pleasant Hill MO
Effective: Tue May 19, 2026, 8:06 PM
Expires: Wed May 20, 2026, 8:15 PM
...The Flood Warning continues for the following rivers in Missouri... Missouri River at Boonville affecting Boone, Cooper, Moniteau and Howard Counties. Missouri River at Napoleon affecting Jackson, Ray and Lafayette Counties. Missouri River at Glasgow affecting Chariton, Saline and Howard Counties. Missouri River at Waverly affecting Lafayette, Saline and Carroll Counties. Missouri River At Miami affecting Chariton, Saline and Carroll Counties. * WHAT...Minor flooding is forecast. * WHERE...Missouri River at Miami. * WHEN...From late Wednesday night to Saturday morning. * IMPACTS...At 18.0 feet, Low-lying rural areas outside of levees begin to flood. * ADDITIONAL DETAILS... - There is no current observed data. - Forecast...The river is expected to rise above flood stage early Thursday morning to a crest of 19.3 feet Thursday evening. It will then fall below flood stage late Friday morning. - Flood stage is 18.0 feet. - http://www.weather.gov/safety/flood
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. 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 www.weather.gov/kc/.
Flood Warning issued May 19 at 8:06PM CDT until May 23 at 7:00PM CDT by NWS Kansas City/Pleasant Hill MO
Effective: Tue May 19, 2026, 8:06 PM
Expires: Wed May 20, 2026, 8:15 PM
...The Flood Warning continues for the following rivers in Missouri... Missouri River at Boonville affecting Boone, Cooper, Moniteau and Howard Counties. Missouri River at Napoleon affecting Jackson, Ray and Lafayette Counties. Missouri River at Glasgow affecting Chariton, Saline and Howard Counties. Missouri River at Waverly affecting Lafayette, Saline and Carroll Counties. Missouri River At Miami affecting Chariton, Saline and Carroll Counties. * WHAT...Minor flooding is forecast. * WHERE...Missouri River at Glasgow. * WHEN...From Wednesday evening to Saturday evening. * IMPACTS...At 27.0 feet, Many agricultural levees are overtopped. Widespread flooding of rural areas occurs. Secondary roads and homes behind levees may be inundated. * ADDITIONAL DETAILS... - At 7:30 PM CDT Tuesday the stage was 19.4 feet. - Forecast...The river is expected to rise above flood stage late tomorrow evening to a crest of 26.6 feet Thursday evening. It will then fall below flood stage Friday evening. - Flood stage is 25.0 feet. - http://www.weather.gov/safety/flood
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. 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 www.weather.gov/kc/.
Flood Warning issued May 19 at 8:12PM CDT until May 22 at 3:47PM CDT by NWS Kansas City/Pleasant Hill MO
Effective: Tue May 19, 2026, 8:12 PM
Expires: Wed May 20, 2026, 8:15 PM
...The Flood Warning is extended for the following rivers in Missouri... Grand River near Brunswick affecting Chariton and Carroll Counties. ...The Flood Warning continues for the following rivers in Missouri... Grand River near Gallatin affecting Daviess and Livingston Counties. Grand River near Pattonsburg affecting Daviess and Gentry Counties. Grand River near Sumner affecting Chariton, Linn, Livingston and Carroll Counties. Grand River near Chillicothe affecting Linn and Livingston Counties. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Grand River near Chillicothe. * WHEN...Until Friday afternoon. * IMPACTS...At 35.0 feet, U.S. Highway 65 south of Chillicothe is threatened by flood water. * ADDITIONAL DETAILS... - At 7:45 PM CDT Tuesday the stage was 32.9 feet. - Forecast...The river is expected to rise to a crest of 33.3 feet just after midnight tonight. It will then fall below flood stage Thursday afternoon. - Flood stage is 24.0 feet. - http://www.weather.gov/safety/flood
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. 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 www.weather.gov/kc/.
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.39 μg/m3
Sulphur Dioxide: 1.12 μg/m3
Ozone: 60.16 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 8:26 PM
Daylight: 14 hrs 31 mins
Moon Transit: 5:18 PM
Moonset: 12:12 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.4%
Best Times for Fishing or Hunting
Major Periods
3:51 AM - 6:21 AM4:48 PM - 7:18 PM
Minor Periods
9:00 AM - 10:30 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.81 μg/m3
Sulphur Dioxide: 1.94 μg/m3
Ozone: 49.4 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 8:27 PM
Daylight: 14 hrs 33 mins
Moon Transit: 6:14 PM
Moonset: 12:56 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%
Best Times for Fishing or Hunting
Major Periods
4:50 AM - 7:20 AM5:44 PM - 8:14 PM
Minor Periods
10:17 AM - 11:47 AM12:26 AM - 1:56 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.35 μg/m3
Sulphur Dioxide: 1.83 μg/m3
Ozone: 51.04 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 8:27 PM
Daylight: 14 hrs 34 mins
Moon Transit: 7:05 PM
Moonset: 1:30 AM
Moon Phase: Waxing Crescent
Moon Illumination: 33.4%
Best Times for Fishing or Hunting
Major Periods
5:43 AM - 8:13 AM6:35 PM - 9:05 PM
Minor Periods
11:30 AM - 1:00 PM1:00 AM - 2:30 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 11.03 μg/m3
Sulphur Dioxide: 1.48 μg/m3
Ozone: 24.77 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 8:28 PM
Daylight: 14 hrs 36 mins
Moon Transit: 7:51 PM
Moonset: 1:58 AM
Moon Phase: First Quarter
Moon Illumination: 44.4%
Best Times for Fishing or Hunting
Major Periods
6:31 AM - 9:01 AM7:21 PM - 9:51 PM
Minor Periods
12:39 AM - 2:09 PM1:28 AM - 2:58 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:10 PM
Sunset: 8:29 PM
Daylight: 14 hrs 38 mins
Moon Transit: 8:34 PM
Moonset: 2:22 AM
Moon Phase: First Quarter
Moon Illumination: 55.7%
Best Times for Fishing or Hunting
Major Periods
7:16 AM - 9:46 AM8:04 PM - 10:34 PM
Minor Periods
1:45 PM - 3:15 PM1:52 AM - 3:22 AM
Action Rating: 3 out of 5