Inland Waterway Weather Report

Weather Highlights: 

• Upper Mississippi/Red/Souris: A weak cold front will move through the region overnight, bringing a low-end chance for thunderstorms. A stronger, more widespread, weather system moves in by Wednesday, bringing widespread rain, heavy at times, to the area. Expect the heaviest rain from southeast Minnesota and areas south.
• Middle Mississippi Valley: A strong low pressure system will track across northern Iowa on Wednesday, brining widespread heavy rain with it. With this system, there is an Enhanced Risk (Level 3/5) with large hail, damaging winds, and a few tornadoes possible. In addition, there is a Slight Risk (Level 2/5) on Wednesday.
• Lower Mississippi Valley: Very active weather will dominate the region the next several days as a stationary weather front lingers in the area. At the same time, a tropical disturbance may move out of northeast Mexico and into the Gulf, further adding to the rainfall totals. Though the overall severe weather threat is low, there is a Moderate Risk (Level 4/5) most days which could lead to widespread flooding.

7-day QPF Totals

• Upper Mississippi/Red/Souris: 0.10” to 4.00” of liquid precipitation, highest amounts from Dubuque, IA and areas downstream.
• Middle Mississippi/Lower Ohio Valley: 1.25” to 5.00” of liquid precipitation.
• Lower Mississippi Valley: 0.75” to 10.00” of liquid precipitation. Expect the heaviest rain across Louisianna and Mississippi.

David Pearson – MVD/National Weather Service Liaison