Tuesday, April 30, 2013

Summer-like warmth now but cooler at the end of the week

Temperatures Monday afternoon reached the middle 70s and this afternoon we're well on our way to the low to mid 80s!  Skies will remain clear through the afternoon with a gusty south wind.  There remains a slight chance for a few thunderstorms late this afternoon and evening but the greatest threat for development appears to remain west of the Mississippi River closer to the cold front.  Storms will likely begin to develop around Des Moines, IA after 4pm and expand into northeast Iowa and central Wisconsin through the evening.  Jetstream winds remain from southwest to northeast keeping any major storm threat out of the area - although we'll have to watch for development tonight with a strengthening low level jet.  Just like last night, this could cause a few storms to move through during the overnight.

Temperatures as of Noon have already reached the upper 70s and low 80s and we'll likely be close to 80° again Wednesday as the cold front begins to slow its eastward movement.  The warmer weather, however, will come to an end behind the front as temperatures are expected to drop back down into the 50s by Thursday and Friday.  Depending on the track of an upper level low this weekend the chilly weather may linger through Saturday and Sunday. 

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