Red Flag Warning for Western South Dakota and Northeastern Wyoming

Source: NOAA · Western South Dakota and Northeastern Wyoming

This alert is no longer in effect.

NOAA issued it on April 28, 2026, 3 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).

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 has been issued for critical fire weather conditions in areas including the Black Hills and surrounding regions, effective from 10 AM MDT on April 22, 2026, until 8 PM MDT due to high winds and low humidity.

Read this weather record in 30 seconds

Record type
Red Flag Warning
Affected area
Western South Dakota and Northeastern Wyoming
Issued
April 28, 2026
Issuing authority
NWS Rapid City SD

Fire-weather notices describe conditions that can support rapid fire spread; they do not report that a fire is present. Check local emergency sources for any active incident.

Record status: historical. It was issued 3 months ago; use the issuing agency's live warning service for current conditions in Western South Dakota and Northeastern Wyoming.

Alert Details

A Red Flag Warning has been issued by the NWS Rapid City SD. This alert is for critical fire weather conditions and is effective from 10 AM MDT to 8 PM MDT on April 22, 2026.

Affected Areas

The warning affects the following regions: Northern Black Hills; Central Black Hills; Southern Black Hills; Fall River County Area; Northern Foot Hills; Eastern Foot Hills; Custer County Plains; Pine Ridge Area; Butte County Area; West Central Plains; Ziebach County; Haakon County Area; Badlands Area; Bennett County Area; Mellette and Todd Counties; Tripp County; Northern Campbell; Southern Campbell; Crook County Plains; Weston County Plains; and Wyoming Black Hills, covering parts of western South Dakota and northeastern Wyoming.

What You Should Do

Residents in the affected areas should prepare for critical fire weather conditions, as a combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.

Expected Conditions

Expected conditions include temperatures ranging from the 80s to mid 90s, minimum humidities as low as 10 percent, and southwest winds of 20 to 30 mph with gusts up to 45 mph. Scattered thunderstorms may occur, potentially bringing gusts over 50 mph and little precipitation.

Timeline

The alert is in effect from 10 AM MDT to 8 PM MDT on April 22, 2026.

Original source: NOAA Official Notice ↗

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Nationwide notices with similar length or severity timing 8

Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
A Red Flag Warning has been issued for critical fire weather conditions in areas including the Black Hills and surrounding regions, effective from 10 AM MDT on April 22, 2026, until 8 PM MDT due to high winds and low humidity.
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 Western South Dakota and Northeastern 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.