Red Flag Warning Issued for Central and North Central Wyoming Areas

Source: NOAA · Central and North Central Wyoming

If you are in immediate danger, call emergency services now.

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Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.

A Red Flag Warning is in effect for parts of Wyoming from 9 AM to 8 PM MDT on April 22, 2026, due to strong winds and low humidity that could lead to erratic fire behavior.

What this NWS weather alert tells you, and what most readers miss

This notice was issued by NOAA on April 29, 2026 and geographically references Central and North Central Wyoming. Its severity classification of "high" signals how the issuing agency weighs the risk of harm if no action is taken - "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to - Weather Alerts - determines the warning protocol behind it, which shapes what protective action (seeking shelter, following evacuation orders if issued, monitoring official updates) is recommended and which agency holds authority to issue or cancel it.

Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to read it as a data point about the issuing system: how quickly NOAA detected the hazard, how precise the geographic or product-identifier scope is, and whether similar notices have clustered in the same category or region in the last 90 days. Cluster patterns frequently precede a broader regulatory action, a single localized NWS weather alert is isolated; three of them within a quarter often indicate a supply-chain, infrastructure, or seasonal driver that will keep producing notices until something structural changes.

For decision-making, Areazine pairs each alert with the original agency URL, the full agency name, and a timestamp so you can verify the notice against the primary source before acting on it. Tags on this item (weather, alert, Red Flag Warning, Wyoming) map to related alerts in the same area of risk - browsing them together gives a clearer picture than any single notice alone, because the shape of an ongoing issue only becomes visible across multiple sequential alerts.

Alert Details

A Red Flag Warning has been issued by the National Weather Service (NWS) Riverton WY. It is effective from 9 AM MDT to 8 PM MDT on April 22, 2026.

Affected Areas

The warning affects North Bighorn Basin/Worland BLM; Cody Foothills; Natrona County/Casper BLM; Johnson County/Casper BLM; South Bighorn Basin/Worland BLM; Upper Wind River Basin/Wind River Basin; South Bighorn Mountains; Owl Creek Mountains; Granite/Green/Ferris/Rattlesnake Mountains; Casper Mountain. Specific counties include Fremont, Natrona, Big Horn, Hot Springs, Johnson, Park, Washakie, and Sweetwater in Wyoming.

What You Should Do

Prepare for critical fire weather conditions. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.

Expected Conditions

Southwest winds of 25 to 40 mph with gusts up to 55 mph, and occasional gusts up to 60 mph. Humidity as low as 10 to 13 percent.

Timeline

The warning is effective from 9 AM MDT on April 22, 2026, and ends at 8 PM MDT on the same day.

Original source: NOAA Official Notice ↗

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Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
A Red Flag Warning is in effect for parts of Wyoming from 9 AM to 8 PM MDT on April 22, 2026, due to strong winds and low humidity that could lead to erratic fire behavior.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Central and North Central Wyoming. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.