A little rain on the way early Wednesday morning followed by clearing skies and mild temps Wednesday afternoon

One cold front moved through the Northland today, and will see another cold front move through Wednesday morning, followed by one more for Thursday morning. Temperatures didn’t cool off at all behind today’s front, although dew points dropped considerably with the passage of today’s cold front. Wednesday will feature mild temps, but not quite as warm as what we saw on Tuesday (highs Wednesday in the 70s to lower 80s) And behind Thursday’s cold frontal passage will find even cooler air as highs range from the low 60s to low 70s across the Northland, but this cooler air mass will be short lived as temperatures begin to warm up again by the weekend, although nothing too extreme in terms of heat and humidity.

Best shot for getting some rain through the middle of next week comes Wednesday morning (August 11th), with rainfall totals forecast to end up in that trace to quarter inch range across northeast Minnesota and northwest Wisconsin per HRRR model.

Here’s the 18z NAM 3km model simulated radar forecast valid from Midnight tonight to 4 PM Wednesday.

Note: Some rain is possible in Duluth and Superior from ~4 AM to 8 AM Wednesday.

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Timing of today’s cold frontal passage just wasn’t very favorable for widespread rains in most of our area, except in parts of northwest Wisconsin where an area of strong to severe thunderstorms moved through between about 10 AM and 1 PM today.

Radar loop from 8:43 AM to 6:38 PM, Tuesday, August 10, 2021.

Goes-16 sandwich satellite loop from this afternoon showing the multiple clusters of strong to severe thunderstorms from upper Michigan south to Wisconsin into northern Illinois.

Flash flooding occurring in the Green Bay, WI area including at Lambeau Field early this evening.

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Rainfall Totals from around the Northland from Tuesday, August 10, 2021

Source: https://mesowest.utah.edu/

  • Clam Lake, WI: 0.43″
  • Glidden, WI: 0.38″
  • International Falls, MN: 0.17″
  • Littlefork, MN: 0.07″
  • Hayward, WI: 0.05″
  • Ashland, WI: 0.03″
  • Pine River, MN: 0.02″
  • Washburn, WI: 0.02″
  • Minong, WI: 0.02″
  • Barnes, WI: 0.01″
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Quite a large wildfire burning (outlined in orange) this afternoon just north of the border in southern Ontario Canada per Goes-16 visible satellite imagery.

Tim

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