NOTE:
Forecasts for the Thompson River at Davis City are issued as needed during times of high water, but are not routinely available.
Flood Impacts
9999.9
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24
Both lanes of I-35 are overtopped along with many area highways and county roads. Widespread flooding occurs along both the Thompson River and its tributaries.
19
The Highway R15 bridge crossings are affected just north of Grand River. Flooding occurs in the low areas of Davis City.
13
Flooding of agricultural land occurs north of Davis City near I-35.
12
Widespread flooding occurs at the Davis City park including the campgrounds. Highway R15 floods just north of the town of Grand River in northwest Decatur county.
11
Water affects the Davis City park and campgrounds.
10
Water affects gravel roads from Shewmaker Park to Oakhill cemetery near the town of Grand River in northwest Decatur County.
9
Water affects the low areas of the Davis City park as well as some rural roads.
Flood Categories (in feet)
Major Flood Stage:
24
Moderate Flood Stage:
20
Flood Stage:
12
Action Stage:
8
Historical Crests (1) 24.29 ft on 09/16/1992 (2) 22.80 ft on 08/08/1885 (3) 21.70 ft on 04/24/1897 (4) 21.00 ft on 08/27/1903 (5) 20.53 ft on 07/05/1993 (6) 20.30 ft on 07/06/1909 (7) 20.20 ft on 08/16/1914 (8) 20.10 ft on 06/14/1947 (9) 19.90 ft on 07/18/1922 (10) 19.60 ft on 03/28/1915 Show More Historical Crests
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.
NOTE:
Forecasts for the Thompson River near Trenton are issued as needed during times of high water, but are not routinely available.
Flood Impacts
45.9
Water overtops the Highway 6 bridge located one mile west of Trenton.
39
Water reaches the low-steel of the Highway 6 bridge located one mile west of Trenton.
30
Low-lying areas along the river begin to flood.
Flood Categories (in feet)
Major Flood Stage:
37
Moderate Flood Stage:
33
Flood Stage:
30
Action Stage:
25
Historical Crests (1) 32.46 ft on 07/25/2008 (2) 32.33 ft on 06/06/2010 (3) 31.52 ft on 06/25/2008 (4) 31.44 ft on 09/13/2008 (5) 30.81 ft on 05/07/2007
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Des Moines Weather Forecast Office
9607 NW Beaver Dr.
Des Moines, IA 50131
(515) 270-2614 Ask Questions/Webmaster
Page last modified: 3-Aug-2012 12:12 AM
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