Flash Flood Warning Issued for Fall River and Oglala Lakota Counties, SD
This alert is no longer in effect.
NOAA issued it on June 20, 2026, 2 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.
NWS Rapid City has issued a Flash Flood Warning for southeastern Fall River County and southwestern Oglala Lakota County in South Dakota until 7:00 PM MDT June 2.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- Southwestern South Dakota
- Issued
- June 20, 2026
- Issuing authority
- NWS Rapid City SD
Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.
Record status: historical. It was issued 2 months ago; use the issuing agency's live warning service for current conditions in Southwestern South Dakota.
Alert Details
Flash Flood Warning issued by NWS Rapid City SD. Effective from June 2 at 2:58 PM MDT until June 2 at 7:00 PM MDT. Alert type code: FFW.
Affected Areas
Southeastern Fall River County and southwestern Oglala Lakota County in southwestern South Dakota. Specific locations include Oglala, Loneman, South Lakeside, Dry Wood Housing, Prairie Winds Casino, Number 4, Calico, Slim Butte, Slim Buttes Housing and southwestern Pine Ridge Reservation.
What You Should Do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Expected Conditions
Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3 inches of rain have fallen along with hail. Additional rainfall amounts of 1 to 2 inches are possible.
Timeline
The warning is in effect from 2:58 PM MDT June 2, 2026, until 7:00 PM MDT June 2, 2026. Flash flooding is ongoing or expected to begin shortly.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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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.
Similar body length
Nearest notices by article body length (963 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to June 20, 2026.
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