Alert archive / Washington / Frost Advisories in 2025

Frost Advisory 1, NWS Spokane, WA

April 21, 20256 counties in Washington; Nez Perce County, Idaho

NWS Spokane, WA issued this frost advisory at Apr 21, 2025, 1:40 PM PDT for 6 counties in Washington; Nez Perce County, Idaho. It took effect at Apr 22, 2025, 12:00 AM PDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Apr 21, 2025, 1:40 PM PDT (20:40 UTC)
In effect from
Apr 22, 2025, 12:00 AM PDT
Expired
Apr 22, 2025, 9:00 AM PDT
In force
9 hr
Issued by
NWS Spokane, WA

Counties Nez Perce County, ID, Adams County, WA, Asotin County, WA, Chelan County, WA, Douglas County, WA, Garfield County, WA, Grant County, WA

The radar

The Spokane radar (KOTX), 106 km from the middle of the area, began a volume at 20:40 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.

Nearby

Frost Advisories in Washington, 2025Frost Advisories in Idaho, 2025Every 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.