Alert archive / Wyoming / Red Flag Warnings in 2026

Red Flag Warning 3, NWS Riverton, WY

February 28, 2026Natrona County, Wyoming

NWS Riverton, WY issued this red flag warning at Feb 28, 2026, 12:32 AM MST for Natrona County, Wyoming. It took effect at Feb 28, 2026, 11:00 AM MST. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Feb 28, 2026, 12:32 AM MST (07:32 UTC)
In effect from: Feb 28, 2026, 11:00 AM MST
Expired: Feb 28, 2026, 5:00 PM MST
In force: 6 hr
Issued by: NWS Riverton, WY

County Natrona County, WY

The radar

The Riverton/Lander radar (KRIW), 137 km from the middle of the area, began a volume at 07:34 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 red flag warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Riverton, WY wrote its last area forecast discussion before this red flag warning went out at Feb 27, 4:30 PM MST, 8 hours 2 minutes earlier.

Area forecast discussion, Feb 27, 4:30 PM MST, 8 hours 2 minutes before

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Hazardous weather outlook, Feb 27, 2:12 AM MST, 22 hours 20 minutes before

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Nearby

Red Flag Warnings in Wyoming, 2026 Every red flag warning in 2026

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.