Red Flag Warning Issued for Fall River and Pine Ridge Areas in South Dakota

Source: NOAA · Western South Dakota

This alert is no longer in effect.

NOAA issued it on April 26, 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 by NWS Rapid City SD for the Fall River County and Pine Ridge areas in South Dakota, effective from 11 a.m. MDT to 8 p.m. MDT on April 18, 2026, due to gusty winds and low humidity.

Read this weather record in 30 seconds

Record type
Red Flag Warning
Affected area
Western South Dakota
Issued
April 26, 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.

Red Flag Warning in South Dakota

Alert Details

The alert is a Red Flag Warning, issued by the National Weather Service (NWS) Rapid City SD. It is effective from 11 a.m. MDT to 8 p.m. MDT on April 18, 2026.

Affected Areas

The warning affects the Fall River County Area and the Pine Ridge Area in South Dakota, specifically Fire Weather Zones 322 and 326.

What You Should Do

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

Highs in the 50s, northwest winds of 20 to 30 mph with gusts up to 45 mph, and relative humidity as low as 15 percent.

Timeline

The warning is effective from 11 a.m. MDT on April 18, 2026, and ends at 8 p.m. MDT on the same day.

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 by NWS Rapid City SD for the Fall River County and Pine Ridge areas in South Dakota, effective from 11 a.m. MDT to 8 p.m. MDT on April 18, 2026, due to gusty 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. 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.