Here you will be able to see the Flow data from the points on the river where Norm is paddling.
There are stream gaging stations all over the Missouri ( and other rivers over us) that have
their discharge rates, gage feet and the precipitation recorded by the USGS.
In the example page located here

You can see that there was essentially only 2 cubic feet per minute of flow in the Bonhomme Creek
near Ellisville, MO,on March 19th-24. Also there was no precipitation recorded during that time period either.
However in the discharge in the discharge table we can see that there is a significant change in flow rates with a mere
blip in rainfall.This Creek drains 4.4 square miles and also means that it rained heavily somewhere on this 4.4 mile area and this creek went from less than 10 cubic feet per second(CFS) to a peak of almost 680 CFS. That in itself should tell you that if Bonhomme Creek is a small narrow creek that it is susceptible to flash flooding.

Missouri River Basin Data

Using the above link you can check the gaging stations that Norm will be paddling by. By Checking the local weather using
these zip codes Hermann, MO 65041,Jefferson City, MO 65101
In the area that he should be traveling in you can see how the rain is affecting the current flow ( or pushback) against
Norms every forward paddle. I can assure you that paddling upstream with 500 lbs of gear is no easy task. (psst hey Norm
you did say you had about 500 lbs of gear right?