There is some weather to speak of in the Upper Midwest this week. A weather system moving across the region will spark showers and thunderstorms to parts of Minnesota, Wisconsin and Northern Iowa. Some of these storms will have the chance to become severe. This system will bring much needed rain to parts of the region. The front its self will put an end to a very summer like airmass that has been over the region for a week now. Behind this system cooler more seasonable temperatures will be found. It also looks generally drier for the region after Thursday.
Rain threat Tuesday, Severe Storm Threat.
Locally tomorrow is out best chance for much needed rain over the next few days. It will also be out hottest day with highs topping out near 90, give or take a few degrees. The cause of the potential rain will be a weather system moving into the area from the west. It will cut into a warm humid airmass currently located over Southern Minnesota. Thunderstroms will develop on this front some of which could be strong to severe in the local area. Heat rain, hail, highs winds and the outside chance for a tornado will be the highest risks. The threat will of course hinder on certain factors, right now it does not appear to be a very high risk, however it is there. Heavy Rainfall is also a possibility with localized amounts nearing or topping an inch. These amounts will be localized though and it is very possible we will end out with a situation where some wont see any rain at all. Best chance of storms will be after 5pm to after dark for the local area.
Cooler and drier for Midweek.
After the passage of the cold front much cooler and drier conditions will move in. It will almost feel comfortably cool. Skies should clear out nicely especially Wednesday afternoon, staying sunny through Thursday. Highs will be lowered to the mid to upper 70s, and lows in the upper 40s to lower 50s and thats not even where it will bottom out. Friday will be cooler with rather cloudy skies developing and maybe even a few sprinkles. Highs will only be in the lower 70s and its possible some places may not get out of the 60s. Lows will be in there upper 40s to low 50s.
Tuesday, Hot and Humid Sunny with highs in the lower 90s. Thunderstorms developing. Tuesday Night, Showers and thunderstorms. Some could be strong to severe. Lows in the lower 60s
Wednesday, Chance of storms early otherwise pleasantly cooler and less humid. Wednesday Night, Cool, Clear skies. Lows in the upper 40s to lower 50s.
Thursday, Sunny skies with seasonable temperatures. Highs in the upper 70s to low 80s. Thursday Night, Increasing clouds, lows in the mid 50s.
Friday, Partly sunny skies with a few sprinkles. Highs in the upper 60s to lower 70s. Friday Night, Clear skies lows in the upper 40s to lower 50s.
Saturday, Sunny skies with highs in the lower 70s. Saturday Night, Clear skies lows in the lower to mid 50s.
Sunday, Sunny and warmer with light winds. Highs in the mid to upper 70s. Sunday Night Clear skies lows in the mid 50s.
Looking Ahead
Looking ahead into the next work week it really doesn't enlighten us to more rain chances. It shows us staying dry, with seasonably temperatures. The model only shows intermediate chances of light rain towards Friday the 14th. Towards the end of the model run it shows things getting a little more interesting. Sunday September 16th a very strong cold front pushes through the region, ahead of it a warm humid airmass moves over the upper midwest. Thunderstorms with have rain threats develop over Minnesota, Wisconsin and Iowa lasting into Monday the 17th. Behind it cooler drier conditions for midweek of the 19th. The runs have been a little all over the place with this system but it appears like it could be one of the first stronger systems of the late summer season.
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