⚠️ Dense Fog Advisory – Jasper; Marion; Clarke; Lucas; Monroe; Decatur; Wayne; Appanoose – Saturday, July 25, 2026

Dense Fog Advisory issued July 25 at 4:48AM CDT until July 25 at 9:00AM CDT by NWS Des Moines IA

Details

* WHAT…For the Dense Fog Advisory, visibility one quarter or less
in dense fog. For the Extreme Heat Warning, dangerously hot
conditions with heat index values near or exceeding 110 expected.
For the Extreme Heat Watch, dangerously hot conditions with heat
index values up to 110 possible.

* WHERE…Jasper, Appanoose, Clarke, Decatur, Lucas, Marion, Monroe,
and Wayne Counties.

* WHEN…For the Dense Fog Advisory, until 9 AM CDT this morning.
For the Extreme Heat Warning, from noon to 9 PM CDT Sunday. For
the Extreme Heat Watch, from Sunday evening through Monday evening.

* IMPACTS…Heat related illnesses increase significantly during
extreme heat and high humidity events. Low visibility could make
driving conditions hazardous.

Instructions

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

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