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Home Return to list Heat Advisory 0008 Issued by the Davenport / Quad Cities Forecast Office
Action: New Issued At: 2026-08-12 01:19:08 111 WWUS73 KDVN 120618 NPWDVN URGENT - WEATHER MESSAGE National Weather Service Quad Cities IA IL 118 AM CDT Wed Aug 12 2026 IAZ087>089-098-099-ILZ025-026-034-035-MOZ009-010-121730- /O.NEW.KDVN.HT.Y.0008.260812T1700Z-260813T0100Z/ Jefferson-Henry IA-Des Moines-Van Buren-Lee-Henderson-Warren- Hancock-McDonough-Scotland-Clark- Including the cities of Mount Pleasant, Carthage, Memphis, Fort Madison, Macomb, Monmouth, Burlington, Oquawka, Kahoka, Keosauqua, and Fairfield 118 AM CDT Wed Aug 12 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 8 PM CDT THIS EVENING... * WHAT...Heat index values up to 105 expected. * WHERE...Portions of west central Illinois, southeast Iowa, and northeast Missouri. * WHEN...From noon today to 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Heat indices may briefly exceed 105 degrees in some areas. Thunderstorms and storm outflow may also interrupt the high heat at times. 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ 12 Action: Continued Issued At: 2026-08-12 10:57:17 062 WWUS73 KDVN 121556 NPWDVN URGENT - WEATHER MESSAGE National Weather Service Quad Cities IA IL 1056 AM CDT Wed Aug 12 2026 IAZ087>089-ILZ025-026-121700- /O.CAN.KDVN.HT.Y.0008.260812T1700Z-260813T0100Z/ Jefferson-Henry IA-Des Moines-Henderson-Warren- Including the cities of Monmouth, Burlington, Mount Pleasant, Oquawka, and Fairfield 1056 AM CDT Wed Aug 12 2026 ...HEAT ADVISORY IS CANCELLED... Cloud cover and persistent showers and thunderstorms will result in cooler but still humid conditions. Peak afternoon heat indices of 90 to 95 are expected. $$ IAZ098-099-ILZ034-035-MOZ009-010-130000- /O.CON.KDVN.HT.Y.0008.260812T1700Z-260813T0100Z/ Van Buren-Lee-Hancock-McDonough-Scotland-Clark- Including the cities of Kahoka, Macomb, Keosauqua, Fort Madison, Carthage, and Memphis 1056 AM CDT Wed Aug 12 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... * WHAT...Heat index values around 100 expected. * WHERE...In Illinois, Hancock and McDonough Counties. In Iowa, Lee and Van Buren Counties. In Missouri, Clark and Scotland Counties. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Thunderstorms and storm outflow may also interrupt the high heat at times. 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ Action: Cancelled Issued At: 2026-08-12 10:57:17 062 WWUS73 KDVN 121556 NPWDVN URGENT - WEATHER MESSAGE National Weather Service Quad Cities IA IL 1056 AM CDT Wed Aug 12 2026 IAZ087>089-ILZ025-026-121700- /O.CAN.KDVN.HT.Y.0008.260812T1700Z-260813T0100Z/ Jefferson-Henry IA-Des Moines-Henderson-Warren- Including the cities of Monmouth, Burlington, Mount Pleasant, Oquawka, and Fairfield 1056 AM CDT Wed Aug 12 2026 ...HEAT ADVISORY IS CANCELLED... Cloud cover and persistent showers and thunderstorms will result in cooler but still humid conditions. Peak afternoon heat indices of 90 to 95 are expected. $$ IAZ098-099-ILZ034-035-MOZ009-010-130000- /O.CON.KDVN.HT.Y.0008.260812T1700Z-260813T0100Z/ Van Buren-Lee-Hancock-McDonough-Scotland-Clark- Including the cities of Kahoka, Macomb, Keosauqua, Fort Madison, Carthage, and Memphis 1056 AM CDT Wed Aug 12 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... * WHAT...Heat index values around 100 expected. * WHERE...In Illinois, Hancock and McDonough Counties. In Iowa, Lee and Van Buren Counties. In Missouri, Clark and Scotland Counties. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Thunderstorms and storm outflow may also interrupt the high heat at times. 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. && $$ Action: Cancelled Issued At: 2026-08-12 13:05:20 647 WWUS73 KDVN 121805 NPWDVN URGENT - WEATHER MESSAGE National Weather Service Quad Cities IA IL 105 PM CDT Wed Aug 12 2026 IAZ098-099-ILZ034-035-MOZ009-010-121915- /O.CAN.KDVN.HT.Y.0008.000000T0000Z-260813T0100Z/ Van Buren-Lee-Hancock-McDonough-Scotland-Clark- Including the cities of Kahoka, Macomb, Keosauqua, Fort Madison, Carthage, and Memphis 105 PM CDT Wed Aug 12 2026 ...HEAT ADVISORY IS CANCELLED... Clouds and persistent showers and thunderstorms will keep temperatures cooler this afternoon. Heat indices may see a brief surge into the mid 90s late this afternoon if breaks in the clouds develop. $$ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||