It's been a good growing season, but Wednesday morning's frigid temperatures could mean the end of the line for the plants in a big chunk of our region.
In particular, forecasters say, folks from central Minnesota north and east into Wisconsin should cover up any plants they want to save (or bring them indoors overnight).
The National Weather Service put central Minnesota under a frost advisory and warned of a hard freeze in the northeast. From 1 a.m. to 8 a.m., forecasters expect the mercury to fall into a range from the mid 30s to the upper 20s.
Of course, the Northland has already tasted frost this week – especially International Falls, which tied 1907's record by touching a winter-like 23 degrees early Tuesday.
Don't let the cold get you down, though, since there are still plenty of nice autumn days – followed by chilly autumn nights – ahead. In the Twin Cities, for example, the outlook for the rest of this week shows highs near or in the 60s, with lows close to freezing.
As for the Twin Cities, KSTP's Dave Dahl says it's the low-lying areas in suburbs that are most likely to see some frost. Dahl says the first frost of the season typically hits the metro area in early October, so this would be only a little earlier than normal.
And in southern and western Minnesota, the grasshoppers may continue to frolic. Since the frost advisory extends from the Bemidji area east, the Red River Valley should be in the clear.
Southern counties, while chilly, are also not expected to get below freezing.