Frost/Freeze in Mahnomen, Minnesota

Frost/Freeze May 10, 2026 · Mahnomen, Minnesota

What the National Weather Service wrote

The AWOS at Mahnomen Airport observed a low temperature of 31 at 5:15 AM CST.

The wider storm

Unseasonably cold temperatures developed during the growing season across eastern North Dakota and northwest Minnesota, with hard freeze conditions observed at some locations during the morning hours before sunrise. The 2026 Spring growing season officially began at 12am on May 9.

Source: NOAA Storm Events Database, event 1341224. Narratives are written by the National Weather Service forecast office that issued the report.

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