Heavy Rainfall Possible Through Tonight (Updated 9/22 4:50 PM)

...Heavy Rainfall Possible Across Parts of Wisconsin Through Tonight...

A warm front will remain stalled across central Wisconsin through tonight. The front is combining with a low level jet stream and bringing persistent rounds of showers and thunderstorms into parts of southwest, west central and central Wisconsin. This is bringing periods of heavy rain and areas of flooding. A Flash Flood Watch is in effect for the southwest portion of the state. You can monitor area river stages by going to our Advanced Hydrologic Prediction Service page.

We are watching for an area of showers and storms to develop across southern Wisconsin this evening (most likely southwest Wisconsin). Keep up with the latest forecasts. Below is a 24 hour forecast rainfall total from 7 PM Thursday through 7 PM Friday.

Regional Radar Views:

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Local Radar:

Parts of Wisconsin received 4 to 8 inches of rain from late Tuesday night through this morning (48 hour precipitation total below, as of 7 am Thursday). The heaviest hit areas were in southwest Wisconsin between La Crosse and Portage. There was a report of just over 6 inches in southwest Marquette County near Briggsville. Madison also experienced a period of heavy rain Wednesday afternoon around 4:30 pm. The Dane County Regional Airport reported a total of 2.42 inches between 7 pm Tuesday and 7 pm Wednesday.

Here is a clickable map with the additional forecast rainfall over south central and southeast Wisconsin:

Here is a clickable map with the additional forecast rainfall over all of Wisconsin:

Main hazards:

Heavy Rainfall
Possible Flooding

If you receive heavy rainfall, send us your report! Key elements: Time - Location - Impact Of Heavy Rain Or Flooding.

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