THURSDAY (7/21) MORNING WEATHER BRIEFING
GOOD MORNING!
Much like the last couple of days, today will feature plenty of sunshine....the difference is the temperature, which will spike to around 90 this afternoon. It's the start of our much-anticipated heat wave.
We will NOT have high humidity today as the real juicy air will remain just off to our west. So while it will be hot, the Heat Index will not be much different than the air temperature.There are heavy storms across the Upper Midwest this morning:
Along with a huge area covered by heat warnings and advisories:
Those storms, along the leading edge of the blast furnace, will weaken today but may re-fire tonight as the warm front pushes east. There is some concern about heavy storms being in the vicinity early Friday morning, as depicted on the NAM model:
Will that be it for the day? It's possible, although I would not be surprised to see spotty additional storms firing up in the afternoon. The Storm Prediction Center has the region in the Marginal Risk for severe weather tomorrow. Severe weather risks include damaging winds and large hail but the overall chances for storms that strong are, well, marginal.
LET'S TALK HUMIDITY
Friday is going to be very uncomfortable. Dewpoints will peak in the upper 60s to near 70. Unless we have a stormy afternoon, temperatures will be in the upper 80s to near 90, creating Heat Index values in the mid and upper 90s.BUT, air subtle push of drier air will occur during the weekend. While the weekend will probably be HOTTER than Friday, it will NOT be as humid. Not that most people will care! It'll be hot no matter which way you slice it.Dewpoints:
The weekend looks dry with only a small chance for a thunderstorm late Sunday. Higher chances Sunday night into Monday with a sluggish cold front.
LONG RANGE
Warm, but not as hot pattern beyond Monday. Pretty dry next week.
2 DEGREE GUARANTEE
Our longest streak of the year continues!
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