Freeze Warnings Issued As Midwest Hit by First Major Cold Blast of Fall
Summary
The U.S. Midwest is experiencing its first major cold spell of the fall season, with freeze warnings and frost advisories issued in parts of Minnesota, Michigan, Wisconsin, and North Dakota. Cold air from Canada is causing temperatures to drop below normal levels, leading to alerts that warn of potential damage to plants and water pipes.Key Facts
- Freeze warnings mean temperatures are expected to fall below 32°F for a long time and are more serious than frost advisories.
- Frost advisories are alerts when frost might form, even if air temperatures are above freezing, because the ground can be colder.
- The NWS Marquette office in Michigan issued a freeze warning starting at 2 a.m. Tuesday for several counties, with temperatures as low as 30°F expected.
- Frost advisories were issued in Duluth (Minnesota), Gaylord and Marquette (Michigan), Grand Forks (North Dakota), and Green Bay (Wisconsin), with lows around 33-34°F.
- These cold alerts help farmers and gardeners protect sensitive plants and advise residents to protect water pipes from freezing.
- Fall officially begins Tuesday, September 22.
- A strong El Niño in the Pacific Ocean is expected to affect U.S. winter weather, bringing cooler, wetter conditions to the South and warmer, drier weather to the North.
- Weather warnings will expire after temperatures rise when the sun comes out Tuesday.
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