Inland Waterway Weather Report

Weather Highlights: 

• Upper Mississippi/Red/Souris: A cold front moving through today will bring an Enhanced (3/5) risk for severe weather for a large area of central/southern Minnesota and central Wisconsin. Damaging winds, large hail, and a few strong tornadoes are the primary threat. After a general lull in weather for the rest of the week, a strong weather system moves in this weekend along with increasing precipitation chances and much cooler temperatures.
• Middle Mississippi Valley: A front will move into the region on Tuesday, allowing for the the development of severe weather on Tuesday night (Enhanced risk). The primary threats are large hail and a few tornadoes. The severe weather threat continues into early Wednesday (Slight risk). The next weather system moves in Friday night, bringing cooler temperatures and continued thunderstorm chances for the weekend.
• Lower Mississippi Valley: High pressure continues to dominate the area allowing for dry weather to continue. By the weekend a cold front may push through the region, yielding low-end rain and thunderstorm chances.

7-day QPF Totals

• Upper Mississippi/Red/Souris: 0.1” to 2.5” of liquid precipitation, heaviest south and east of St. Paul, MN. There is a marginal risk for heavy rain several days this week, generally south of La Crosse, WI.
• Middle Mississippi/Lower Ohio Valley: 0.25” to 2.0” of liquid precipitation. There is a marginal risk for heavy rain on Tuesday and Wednesday.
• Lower Mississippi Valley: 0.0” to 1.75” of liquid precipitation, heaviest north and west of Vicksburg, MS.

David Pearson – MVD/NWS Meteorologist, USACE