Frost/Freeze in Cass, North Dakota

Frost/Freeze May 20, 2026 · Cass, North Dakota

What the National Weather Service wrote

Low temperatures ranging from 28 to 32 were reported over parts of Cass County. The lowest temperature of 28 was reported at the Leonard, ND NDAWN. The KFAR ASOS at Fargo International Airport reported a low temperature of 32 at 5:53 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 1344370. Narratives are written by the National Weather Service forecast office that issued the report.

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