Frost and Freeze Danger This Week for Northern U.S.

Looking at the latest weather maps for the northern U.S. and it is clear that winter is on the way. A number of frost advisories and freeze warnings are in place in a zone from Idaho to Michigan, signaling that a change is coming. Here is a look at what parts of the country will get in on this chilly weather during the second week of October.

Northern Plains and Upper Midwest Under Threat of Frosty Weather

The growing season is coming to an end for millions of Americans living in the northern tier of the country. The National Weather Service (NWS) field office in Duluth, Minnesota, is warning that frost and freeze conditions could kill sensitive vegetation and crops in the next few days. The cold nights could also damage unprotected outdoor plumbing, according to the alert. The NWS office in Grand Forks, North Dakota, echoed the warnings of their colleagues in Duluth.

After seeing overnight lows slide to about the freezing level overnight Tuesday, Duluth will see the mercury tick up a bit on Wednesday with highs in the upper 50s and lows that bottom out in the upper 30s.