Freeze Warnings take effect overnight across North Dakota and northern South Dakota, with lows as low as 28 degrees in Bismarck, Minot and Williston, likely ending the growing season for many areas.
The warnings run into mid-morning Wednesday, Oct. 14. Frost and freeze conditions could kill crops and sensitive vegetation.
Western and Central North Dakota
The National Weather Service in Bismarck issued the warning at 12:09 p.m. CDT Tuesday. It runs 1 a.m. to 9 a.m. CDT Wednesday (midnight to 8 a.m. MDT).
Lows as low as 28 degrees are expected.
Communities: Bismarck, Mandan, Minot, Williston, Dickinson, Jamestown, Watford City, Washburn, Rugby, Bottineau, Carrington, Hazen, Beulah and Linton.
Northeast and Southeast North Dakota
NWS Grand Forks issued its warning at 1:41 p.m. CDT. It runs 1 a.m. to 9 a.m. CDT Wednesday, with lows as low as 29 degrees.
Counties: Towner, Cavalier, Benson, Ramsey, Eddy, Nelson, Griggs, Barnes, Ransom, Sargent and western Walsh.
Communities: Devils Lake, Valley City, Lisbon, Langdon, Cando, Cooperstown and New Rockford.
The highest chance of freezing temperatures is west of the Red River Valley.
Northern South Dakota
NWS Aberdeen’s warning runs 3 a.m. to 9 a.m. CDT Wednesday, with lows as low as 30 degrees.
Counties: Corson, Campbell, McPherson, Brown, Walworth, Edmunds, Dewey and Potter.
Communities: Aberdeen, Mobridge, Eureka, Ipswich, Gettysburg, Herreid, McIntosh and Isabel.
Cloud cover is the wild card. Forecasters say frost forms if skies clear and winds stay light.
Northwest South Dakota
NWS Rapid City’s warning runs 2 a.m. to 8 a.m. MDT Wednesday, with lows of 30 to 32 degrees.
Areas: Harding, Northern and Southern Perkins, and Ziebach counties, including Lemmon, Dupree, Buffalo, Bison and Camp Crook.
NWS Rapid City said this first freeze is one to three weeks later than normal for most of western South Dakota.
Safety Reminders
Take steps now to protect tender plants from the cold.
Cover or harvest sensitive garden plants before dark.
Wrap or drain water pipes, or let them drip slowly, to prevent freezing.
For live updates, follow NWS Bismarck and NWS Aberdeen on X.
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