Weather for Sumner, Missouri
Current Weather
Five Day Weather Forecast
Fri
H: 76°F
L: 59°F
Sat
H: 75°F
L: 57°F
Sun
H: 80°F
L: 59°F
Mon
H: 83°F
L: 61°F
Tue
H: 84°F
L: 63°F
Air Quality
Nitrogen Dioxide: 2.95 μg/m3
Sulphur Dioxide: 2.75 μg/m3
Ozone: 72 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
Flood Warning issued May 21 at 7:58PM CDT until May 25 at 5:31AM CDT by NWS Kansas City/Pleasant Hill MO
Effective: Thu May 21, 2026, 7:58 PM
Expires: Fri May 22, 2026, 8:00 PM
...The Flood Warning is extended for the following rivers in Missouri... Grand River near Brunswick affecting Carroll and Chariton Counties. Grand River near Sumner affecting Linn, Livingston, Carroll and Chariton Counties. ...The Flood Warning continues for the following rivers in Missouri... 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 Sunday night. * IMPACTS...At 37.0 feet, State Highway 139 floods a half mile east of Sumner. * ADDITIONAL DETAILS... - At 7:45 PM CDT Thursday the stage was 36.6 feet. - Forecast...The river is expected to fall below flood stage early Sunday morning and continue falling to 10.3 feet Tuesday evening. - 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 21 at 7:58PM CDT until May 25 at 12:08PM CDT by NWS Kansas City/Pleasant Hill MO
Effective: Thu May 21, 2026, 7:58 PM
Expires: Fri May 22, 2026, 8:00 PM
...The Flood Warning is extended for the following rivers in Missouri... Grand River near Brunswick affecting Carroll and Chariton Counties. Grand River near Sumner affecting Linn, Livingston, Carroll and Chariton Counties. ...The Flood Warning continues for the following rivers in Missouri... Grand River near Chillicothe affecting Linn and Livingston Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Grand River near Brunswick. * WHEN...Until Monday afternoon. * 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 4:25 PM CDT Thursday the stage was 23.9 feet. - Forecast...The river is expected to fall below flood stage early Sunday afternoon and continue falling to 5.6 feet Tuesday 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 21 at 7:53PM CDT until May 23 at 2:30PM CDT by NWS Kansas City/Pleasant Hill MO
Effective: Thu May 21, 2026, 7:53 PM
Expires: Fri May 22, 2026, 8:00 PM
...The Flood Warning continues for the following rivers in Missouri... Missouri River at Boonville affecting Moniteau, Cooper, Howard and Boone Counties. Missouri River at Glasgow affecting Howard, Saline and Chariton Counties. Missouri River At Miami affecting Saline, Carroll and Chariton Counties. ...The Flood Warning is cancelled for the following rivers in Missouri... Missouri River at Waverly affecting Lafayette, Saline and Carroll Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Missouri River at Glasgow. * WHEN...Until Saturday afternoon. * IMPACTS...At 25.0 feet, Farmland along the river floods. * ADDITIONAL DETAILS... - At 7:30 PM CDT Thursday the stage was 26.0 feet. - Forecast...The river is expected to fall below flood stage early tomorrow afternoon and continue falling to 14.7 feet Tuesday 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 21 at 7:53PM CDT until May 23 at 5:00PM CDT by NWS Kansas City/Pleasant Hill MO
Effective: Thu May 21, 2026, 7:53 PM
Expires: Fri May 22, 2026, 8:00 PM
...The Flood Warning continues for the following rivers in Missouri... Missouri River at Boonville affecting Moniteau, Cooper, Howard and Boone Counties. Missouri River at Glasgow affecting Howard, Saline and Chariton Counties. Missouri River At Miami affecting Saline, Carroll and Chariton Counties. ...The Flood Warning is cancelled for the following rivers in Missouri... Missouri River at Waverly affecting Lafayette, Saline and Carroll Counties. * WHAT...Minor flooding is forecast. * WHERE...Missouri River at Miami. * WHEN...Until Saturday afternoon. * ADDITIONAL DETAILS... - There is no current observed data. - Forecast...The river is expected to fall below flood stage tomorrow afternoon and continue falling to 11.7 feet Tuesday evening. - 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 21 at 7:58PM CDT until May 23 at 7:00PM CDT by NWS Kansas City/Pleasant Hill MO
Effective: Thu May 21, 2026, 7:58 PM
Expires: Fri May 22, 2026, 8:00 PM
...The Flood Warning is extended for the following rivers in Missouri... Grand River near Brunswick affecting Carroll and Chariton Counties. Grand River near Sumner affecting Linn, Livingston, Carroll and Chariton Counties. ...The Flood Warning continues for the following rivers in Missouri... 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 Saturday evening. * IMPACTS...At 28.0 feet, Rural roads are under water. * ADDITIONAL DETAILS... - At 7:45 PM CDT Thursday the stage was 29.8 feet. - Forecast...The river is expected to fall below flood stage tomorrow evening and continue falling to 7.2 feet Tuesday evening. - 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: 5.39 μg/m3
Sulphur Dioxide: 2.49 μg/m3
Ozone: 55.84 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: 8.33 μg/m3
Sulphur Dioxide: 2.06 μg/m3
Ozone: 56.52 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: 7.07 μg/m3
Sulphur Dioxide: 1.26 μg/m3
Ozone: 60.8 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
Weather Forecast
Air Quality
Nitrogen Dioxide: 14.15 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 57.16 μg/m3
Astronomical
Sun Transit: 1:10 PM
Sunset: 8:30 PM
Daylight: 14 hrs 39 mins
Moon Transit: 9:16 PM
Moonset: 2:44 AM
Moon Phase: First Quarter
Moon Illumination: 66.7%
Best Times for Fishing or Hunting
Major Periods
7:58 AM - 10:28 AM8:46 PM - 11:16 PM
Minor Periods
2:48 PM - 4:18 PM2:14 AM - 3:44 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 8.98 μg/m3
Sulphur Dioxide: 1.98 μg/m3
Ozone: 52.46 μg/m3
Astronomical
Sun Transit: 1:10 PM
Sunset: 8:31 PM
Daylight: 14 hrs 40 mins
Moon Transit: 9:58 PM
Moonset: 3:05 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.9%
Best Times for Fishing or Hunting
Major Periods
8:40 AM - 11:10 AM9:28 PM - 11:58 PM
Minor Periods
3:51 PM - 5:21 PM2:35 AM - 4:05 AM
Action Rating: 2 out of 5