⚠️ Severe Thunderstorm Warning – Delaware, OK; Ottawa, OK – Sunday, September 20, 2026

Severe Thunderstorm Warning issued September 20 at 3:41PM CDT until September 20 at 4:30PM CDT by NWS Tulsa OK

Details

SVRTSA

The National Weather Service in Tulsa has issued a

* Severe Thunderstorm Warning for…
Northwestern Delaware County in northeastern Oklahoma…
Southern Ottawa County in northeastern Oklahoma…

* Until 430 PM CDT.

* At 341 PM CDT, a severe thunderstorm was located over Bernice,
moving northeast at 25 mph.

HAZARD…60 mph wind gusts and penny size hail.

SOURCE…Radar indicated.

IMPACT…Expect damage to roofs, siding, and trees.

* Locations in or near the path include…
Grove… Fairland…
Afton… Bernice…
Wyandotte… Cleora…
Honey Creek State Park… Bernice State Park…
Ottawa… Zena…
Twin Bridges State Park…

This includes Interstate 44 between mile markers 295 and 308, and
between mile markers 311 and 312.

Instructions

For your protection move to an interior room on the lowest floor of a
building.

This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.