Autumnal Equinox is Here and Forecasters Are Already Using the 'F' Word—Frost
Burnsville Patch - over 4 years
Summer officially ended at 9:49 Saturday morning, and already the Twin Cities region is in for a cold snap. Early Saturday morning, officials upgraded a freeze watch to a freeze warning.
The warning is in effect from late Saturday night to Sunday morning. According to the National Weather Service in Chanhassen, temperatures could fall as low as 25 degrees outside the Twin Cities' urban core, which would kill crops and sensitive vegetation
The freeze is a bit early. The first fall frost typically comes around Oct. 5, according to the Farmers' Almanac.
In Burnsville, the NWA predicts that the low will hit 34, two degrees above freezing, with areas of frost from 1 a.m. to 9 a.m. on Sunday morning. However, Mary Schier, editor at Northern Gardener magazine, cautions that the thermometer may be deceptive.
"Frost can form when air temperatures read above 32. Because cold air sinks, the temperature on the ground is often several degrees lower than that above the ground," Schier w
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