Frost advisories, freeze warnings in effect for much of Minnesota
Frost advisories and freeze warnings are in effect for much of Minnesota — including the Twin Cities — for the early morning hours Monday, as unseasonably cold air settles over the region.
As rain showers — perhaps mixed with a few snowflakes in northeastern Minnesota — and gusty winds exit the region later Sunday, the National Weather Service reports clearing skies and light winds will allow temperatures to drop into the low to mid-30s overnight into early Monday.
Frost advisories stretch from the Twin Cities, Red Wing and Mankato north and west toward St. Cloud, Marshall, Moorhead and Thief River Falls. A freeze warning is in effect for Traverse and Big Stone counties in western Minnesota.
Frost advisories have not been issued for northeastern Minnesota, but lows may drop into the low to mid-30s there as well.
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Gardeners in the advisory and warning areas should take steps to protect sensitive plants.
Before the potential frost, temperatures across Minnesota on Sunday will struggle to climb out of the low to mid-40s. That's nearly 30 degrees below normal for some areas. The average high temperature in the Twin Cities for May 19 is 70 degrees; the average low is 50.
The record high for the date is 97, set in 2009; the record low is 33, set in 1961.
The cold conditions won't stick around. Highs on Monday are forecast to reach the 60s in the Twin Cities, under mostly sunny skies. Find more forecast details on MPR Weather's Updraft blog.