Mark Twain National Forest
Extreme Heat Warning issued August 11 at 2:17AM CDT until August 12 at 8:00PM CDT by NWS St Louis MO
* WHAT...Dangerously hot conditions with heat index values up to 111. * WHERE...Portions of south central and southwest Illinois and central and east central Missouri. * WHEN...Until 8 PM CDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
Heat Advisory issued August 11 at 2:17AM CDT until August 12 at 8:00PM CDT by NWS St Louis MO
* WHAT...Heat index values up to 106. * WHERE...Portions of south central, southwest, and west central Illinois and central, east central, northeast, and southeast Missouri. * WHEN...Until 8 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Heat Advisory issued August 11 at 12:53AM CDT until August 13 at 8:00PM CDT by NWS Paducah KY
* WHAT...Maximum daily heat index values up to near 110 degrees. * WHERE...Portions of southern Illinois, southwest Indiana, western Kentucky, and southeast Missouri. * WHEN...Until 8 PM CDT /9 PM EDT/ Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Daily heat index values will remain elevated near or above 100 degrees through next weekend.
Overview
Mark Twain National Forest encompasses 1.5 million acres of public land across 29 counties in southern and central Missouri's Ozarks. The forest is open and offers over 750 miles of trails for hiking, horseback, mountain biking, and motorized use, plus 350+ miles of floatable streams. Current notable closures and conditions: ALL CAVES are closed forest-wide due to White Nose Syndrome (Forest Order 09-05-21-08). The Blue Ridge Horse Trail and portions of the Ozark Trail - Current River Section on the Eleven Point District are closed due to storm damage recovery. The 1039 Fire area near Cassville remains closed after a November 2025 wildfire burned 1,200+ acres. Feral swine hunting is prohibited (management program in effect). Water levels at McCormack Lake, Beaver Lake, and Markham Springs are lower than normal. Wild Boar Ridge Campground water system is out of service (use nearby Chapen Hill). Forest-wide camping is limited to 14 days per 30-day period. The forest contains wilderness areas, the Eleven Point National Scenic River, numerous springs, glades, and karst features. Fire danger is currently moderate.
Campgrounds
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