Interactive NWS Alert

Radar valid at 800 pm CDT, Aug 11th 2026

IAZ087>089-098-099-ILZ025-026-034-035-MOZ009-010-110300-
/O.NEW.KDVN.HT.Y.0007.260811T1700Z-260812T0100Z/
Jefferson-Henry IA-Des Moines-Van Buren-Lee-Henderson-Warren-
Hancock-McDonough-Scotland-Clark-
Including the cities of Keosauqua, Burlington, Monmouth, Kahoka,
Oquawka, Macomb, Mount Pleasant, Carthage, Memphis, Fairfield, and
Fort Madison
157 PM CDT Mon Aug 10 2026

...HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM CDT TUESDAY...

* WHAT...Heat index values of 100 to 105 expected.

* WHERE...Portions of west central Illinois, southeast Iowa, and
northeast Missouri.

* WHEN...From noon to 8 PM CDT Tuesday.

* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.

* ADDITIONAL DETAILS...Heat indices may briefly exceed 105 degrees in
some areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.

&&

iNWS is an experimental service intended for NWS core partners, including emergency managers, community leaders and other government agencies only.