Alert archive / Minnesota / Frost Advisories in 2025

Frost Advisory 3, NWS Grand Forks, ND

May 21, 202513 counties in Minnesota; 4 counties in North Dakota

NWS Grand Forks, ND issued this frost advisory at May 21, 2025, 2:06 PM CDT for 13 counties in Minnesota; 4 counties in North Dakota. It took effect at May 22, 2025, 1:00 AM CDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: May 21, 2025, 2:06 PM CDT (19:06 UTC)
In effect from: May 22, 2025, 1:00 AM CDT
Expired: May 22, 2025, 9:00 AM CDT
In force: 8 hr
Issued by: NWS Grand Forks, ND

Counties Becker County, MN, Beltrami County, MN, Clearwater County, MN, Hubbard County, MN, Lake of the Woods County, MN, Mahnomen County, MN, Marshall County, MN, Otter Tail County, MN, Pennington County, MN, Polk County, MN, Red Lake County, MN, Roseau County, MN, Wadena County, MN, Benson County, ND, Cavalier County, ND, Ramsey County, ND, Towner County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 78 km from the middle of the area, began a volume at 19:06 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this frost advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Grand Forks, ND wrote its last area forecast discussion before this frost advisory went out at May 20, 6:37 PM CDT, 19 hours 29 minutes earlier.

Area forecast discussion, May 20, 6:37 PM CDT, 19 hours 29 minutes before

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Hazardous weather outlook, May 20, 4:55 PM CDT, 21 hours 11 minutes before

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The office that day

Everything else NWS Grand Forks, ND issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 21, 10:37 AM CDT	River Flood Warning	FGF	Clay	5 days

Nearby

Frost Advisories in Minnesota, 2025 Frost Advisories in North Dakota, 2025 Every frost advisory in 2025

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.