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Soggy Midweek

Spring will kick into high gear for the midweek as our next storm system brings mainly rain to southeast Minnesota and northeast Iowa. While rain will help to melt the snow, we will need to keep a close eye on area streams & rivers for the potential for flooding! This rain and flooding threat is expected to stick around through Thursday night before air temperatures cool off and rain shifts east.

Rain is the name of the game for this evening and tonight. The bulk of the rain for tonight will be early with more scattered rain showers for the overnight hours. Warmer air will continue to stream across the region for tonight which means areas of fog and perhaps dense fog thanks to the cold snow pack on the ground. Please take care driving tonight as puddles and ponding is expected on area roads thanks to clogged street drains and culverts filled with snow and ice.

We may see a lull with the rain early in day on Wednesday, but a few rounds of rain are expected to move across the region as an area of low pressure moves from Kansas to Iowa. There may be just enough instability in the atmosphere for some thunderstorms Wednesday afternoon and evening, but no severe weather is expected. Some periods of moderate to heavy rainfall may be possible for Wednesday afternoon as high temperatures climb into the mid to upper 40s. Rain showers stick around into Thursday with perhaps a brief transition over to light snow Thursday night through early Friday morning. High temperatures remain in the mid 40s for Thursday before falling into the lower 30s by Friday.

Rainfall amounts may top up to an inch of rain for the area through Thursday and with rapidly melting snow, flooding will be a major concern. Rivers and streams are expected to rise across the area with minor flooding possible for the Root River with the potential for moderate to major flooding for the Upper Iowa & Turkey Rivers across northeast Iowa. Ice jams will also be a concern as they can develop quickly and can lead to rapid fluctuations in water levels. Ponding on area roads, streets and yards will also be possible as water may have little in the way on places to runoff.

This St. Patrick’s day weekend is looking a bit more quiet in the weather department with temperatures ranging from the mid 30s on Saturday to the upper 30s by Sunday. While I don’t think we’re quite done with winter yet, spring will start to make its presence known over the next week!

Matt Benz

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