Low temperatures Monday night will be very mild with another warm day Tuesday. Most places will be back in the 70s Tuesday but a sharp change in temperatures is coming mid to late week with showers possible Wednesday.
Warm weather continues a couple more days
Monday will be a warm overnight for early October. Lows will be mostly in the 50s — even far into northern Minnesota — to possible even 60 in the Twin Cities. Keep in mind our normal daytime highs range from 57 to 66, so we’ll be much closer to that overnight.
The blocking pattern that’s been stuck for the last several days finally will begin to break down midweek. We’ve had the remnants of Hurricane Ian to the east and a stalled upper level low to our northwest.
Those two features, which are cool puddles of air aloft, allow warm air to stream north between them at Minnesota. With the pattern moving again, this will allow some pretty chilly air to dive south late in the week.
First, we have another very warm day Tuesday with highs back well into the 70s across southern Minnesota.
Shower chance then windy and much colder
With the atmospheric pattern flowing again, a cold front will slide across Minnesota Wednesday touching off at least some scattered rain showers.
Winds will increase substantially late Wednesday into Thursday also, allowing cold air to move in. Highs will be mainly in the 40s Friday.
Friday night into early Saturday could finally bring our first frost in the Twin Cities with a hard freeze for much of the rest of the region.
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