And Monday afternoon’s temperatures won’t warm up much either, with highs only in the lower 50s. Skies clear quickly and we see a mostly sunny day, winds change up to out of the northwest and the cooler, drier, Canadian air works in.
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FRIDAY: Partly cloudy skies and seasonable temperatures will be around for Friday afternoon, with a high temperature of 67 degrees. Look for plenty of sunshine today but highs only topping out near 61. The inbound air mass brings a growing blanket freeze warnings across the Upper Midwest over the next 48 hours.
A frost advisory has been issued for the region from 2 a.m.to 10 a.m. Saturday. Temperatures should be close to 50 degrees in Ann Arbor by game time.
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A freeze is when the surface air temperature is expected to be 32°F or below over a widespread area for a climatologically significant period of time. Generally we use 37° as the benchmark for frost formation. That combined with calm winds will allow moisture to settle and freeze on grassy and metallic surfaces. The latest first freeze on record occurred on November 24th, 1931. The colder temperatures are cause for a few concern, as they could kill crops and sensitive vegetation. Since this first threat of near freezing temperatures this year, the ground is still warm, which will help a few plants.
