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Thank you for stopping by the Weather Watch 12 blog! After a relatively cool stretch of weather in Milwaukee the past 2 weeks, hot and humid weather is set to return for Friday.
Highs have reached the 90s three times this year, and Friday should make it 4 in Milwaukee.
The extreme heat and humidity is already prompting ‘Excessive Heat Watches’ in the Plains and Midwest for Thursday. Below is a map showing the locations that are under a watch, and likely will be upgraded to a warning by Thursday. Some cities included are Minneapolis, Des Moines, Kansas City, and Wichita.
The heat will push east on Friday, and land across Wisconsin. By Friday afternoon winds should turn to the southwest pushing highs into the 90s across all of southern Wisconsin. The RPM temperature forecast shows the sizzling forecast for Friday below. Keep in mind it is trying to push a little lake breeze into Milwaukee, but I think highs will reach 90 or better in the city on Friday.
Along with the heat, it will feel very humid in the coming days. The NAM computer model is forecasting dew points to be around 80 degrees on Friday. That may be a bit of a stretch…but there are a couple of factors that could enhance dew points. The corn crop is now farther along in the Midwest, the evapotranspiration can add moisture to the air, and also the soils in southern Wisconsin are moist from a fairly wet June.
Below is the dew point forecast map for Friday. If this were to verify the heat index would easily climb above 100 in Milwaukee!
The heat will likely be a bigger story than any rain chances in the next two days. Overall the threat for a shower or t-storm does exist on Thursday and Friday, but rain chances are about 20-30% as of this writing.
Stay with the Weather Watch 12 blog and WISN 12 News for the latest on the heat and rain chances.
Have a great day!