August 9th, 9:50 PM
— August 11th, 10:00 PM
* WHAT...Dangerously hot conditions with daily maximum heat index
values around 105 expected. Overnight low temperatures will remain
in the upper 70s to lower 80s.
* WHERE...Portions of southeast Kansas and central, southwest, and
west central Missouri.
* WHEN...Until 8 PM CDT Wednesday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
7:59 PM
— August 11th, 7:00 AM
* WHAT...Heat index values up to 107 expected.
* WHERE...Portions of central, east central, south central, and
southeast Kansas.
* WHEN...From noon to 8 PM CDT Tuesday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
7:59 PM
— August 11th, 7:00 AM
* WHAT...Heat index values up to 107 expected.
* WHERE...Portions of central, east central, south central, and
southeast Kansas.
* WHEN...From noon to 8 PM CDT Tuesday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
7:32 PM
— August 11th, 12:30 PM
* WHAT...Heat index values up to 108 expected.
* WHERE...Portions of northwest and west central Arkansas and east
central, northeast, and southeast Oklahoma.
* WHEN...From noon to 8 PM CDT Tuesday.
* IMPACTS...Heat related illnesses are possible especially impacting
those not acclimated to the conditions or those performing
strenuous activities.
7:32 PM
— August 11th, 12:30 PM
* WHAT...Heat index values up to 108 expected.
* WHERE...Portions of northwest and west central Arkansas and east
central, northeast, and southeast Oklahoma.
* WHEN...From noon to 8 PM CDT Tuesday.
* IMPACTS...Heat related illnesses are possible especially impacting
those not acclimated to the conditions or those performing
strenuous activities.
Wahoo Bay
The east end of Wahoo Bay will be fenced off starting April 10, 2026, so contactors can utilize the area for staging as part of the bridge replacement project on State Highway 251A across the Fort Gibson dam. Public access to the east boat ramp and campsites 17-20 will be closed.
Fort Smith
The Visitor Center, gallows, and commissary are closed early on Monday, May 19 at 4:00 pm due to inclement weather.
Dam Site
Dam Site Closure - The west side of Dam Site (including the Dam Site North boat ramp) will be closed beginning May 17, 2026 for the bridge deck replacement across the Fort Gibson dam. Highway 251A will be gated just past the Overlook entrance road. Access will be restricted to construction and Corps personnel only. Area will be closed for a minimum of 2 1/2 years. Dam Site East fishing wall and the Overlook areas will remain open.