A pair of strong cold fronts this weekend will usher in a much cooler air mass to start next week, and that means our potential for frost/freeze potential will go up.
Before we get there, we maintain a warm forecast through Friday, with strong Southerly winds bringing us into the mid-80s for the afternoon highs! Then, the first in a series of cold fronts will bring a few spotty showers Saturday. Best rain chances remain to the East in Northern Indiana and Southern Wisconsin.
The second cold front will bring the strong push of cooler air aloft and at the surface, with overnight lows reaching into the 30s multiple nights in a row. This will increase that frost potential with clear skies overnight and quickly dropping temperatures. Start thinking of a way to protect those sensitive plans especially by early next week.
Overnight lows may even reach near the freezing mark in some spots, particularly Monday and Tuesday nights. Highest frost/freeze potential is Monday and Tuesday nights with cooler temperatures and calmer winds. While we will see many lows in the 30s, average overnight lows for this time of year are closer to the low 40s.
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