Water Temperature of the Grand River in Sumner, MO
Current Water Temperature
Severe hypothermia and cold water shock risk. Unprotected swimming causes rapid loss of dexterity in under 5 minutes.
Measurement Time: Thursday, December 4, 2025, 8:30 AM CST
Temperature Locations
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Local Points of Interest
Cunningham , MO; Mendon, MO; Hale, MOSponsored Content
Station Name: Sumner
Data Source: USGS
Elevation Above Sea Level: 656 feet
Nearest Address:
MO 139
Sumner, MO 64643
Chariton County
GPS Coordinates: 39.6403, -93.2736
Nearby Water Temperatures
Long Branch Lake, Macon, MO (41.5 mi)Little Blue River, Independence, MO (66.3 mi)
Little Blue River, Lee's Summit, MO (73.4 mi)
Rock Creek, Kansas City, MO (73.7 mi)
Missouri River, St. Joseph, MO (84.5 mi)
Turkey Creek, Kansas City, KS (84.6 mi)
Tomahawk Creek, Overland Park, KS (89 mi)
Indian Creek, Overland Park, KS (89 mi)
Kansas River, Edwardsville, KS (90.8 mi)
Missouri River, Jefferson City, MO (93.5 mi)
Cedar Creek, De Soto, KS (99.3 mi)
Mississippi River, Canton, MO (99.5 mi)
Mississippi River, Quincy, IL (99.7 mi)
Kansas River, De Soto, KS (101.2 mi)
Des Moines River, Ottumwa, IA (105 mi)
Weather for Sumner, Missouri
Current Weather

Humidity: 77%
Feels Like: 44.6°F
Wind: NNW 8.5 mph
Wind Gusts: 15.5 mph
Precipitation: 0 in
Cloud Cover: 96%
Visibility: 6 mi
UV Index: 0
Weather Forecast

Fri
H: 54°F
L: 40°F

Sat
H: 56°F
L: 36°F

Sun
H: 66°F
L: 42°F
Air Quality
Air quality is satisfactory, and air pollution poses little or no risk.
Astronomical
Best Times for Fishing or Hunting
Major Periods
9:23 AM - 11:53 AM9:46 PM - 12:16 AM
Minor Periods
3:39 AM - 5:09 AM2:59 PM - 4:29 PM
Flood Warning issued November 5 at 8:36PM CST until November 8 at 2:16AM CST by NWS Kansas City/Pleasant Hill MO
Effective: Thu November 5, 2026, 8:36 PM
Expires: Fri November 6, 2026, 8:45 PM
...The Flood Warning continues for the following rivers in Missouri... Grand River near Chillicothe affecting Livingston and Linn Counties. Grand River near Sumner affecting Carroll, Livingston, Chariton and Linn Counties. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Grand River near Sumner. * WHEN...Until late Saturday night. * IMPACTS...At 23.0 feet, Bottomland 1 to 2 miles south of the gage begins to flood. At 26.0 feet, Rural land adjacent to the river is flooded. At 28.0 feet, Rural roads are under water. * ADDITIONAL DETAILS... - At 7:45 PM CST Thursday the stage was 30.2 feet. - Forecast...The river is expected to rise to a crest of 30.2 feet just after midnight tonight. It will then fall below flood stage early Saturday morning. - Flood stage is 26.0 feet. - http://www.weather.gov/safety/flood
Freeze Warning issued November 6 at 12:29AM CST until November 7 at 8:00AM CST by NWS Kansas City/Pleasant Hill MO
Effective: Fri November 6, 2026, 12:29 AM
Expires: Fri November 6, 2026, 4:00 PM
* WHAT...Sub-freezing temperatures as low as 29 expected. * WHERE...Portions of central, north central, and northeast Missouri. * WHEN...From midnight tonight to 8 AM CST Saturday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Weather Forecast
Average Temperature: 47.9°F
Average Humidity: 66%
Wind: 10.1 mph
UV Index: 2.9
Astronomical
Best Times for Fishing or Hunting
Major Periods
9:23 AM - 11:53 AM9:46 PM - 12:16 AM
Minor Periods
3:39 AM - 5:09 AM2:59 PM - 4:29 PM
Weather Forecast
Average Temperature: 44.9°F
Average Humidity: 67%
Wind: 6.7 mph
UV Index: 2.6
Astronomical
Best Times for Fishing or Hunting
Major Periods
10:08 AM - 12:38 PM10:31 PM - 1:01 AM
Minor Periods
4:44 AM - 6:14 AM3:24 PM - 4:54 PM
Weather Forecast
Average Temperature: 51.7°F
Average Humidity: 72%
Wind: 10.3 mph
UV Index: 2.6
Astronomical
Best Times for Fishing or Hunting
Major Periods
10:54 AM - 1:24 PM11:18 PM - 1:48 AM
Minor Periods
5:50 AM - 7:20 AM3:53 PM - 5:23 PM
