Active Weather Alerts
Extreme Heat Warning
Issued: 8:39 AM Jul. 27, 2026 – National Weather Service
...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING... ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING... * WHAT...For the Dense Fog Advisory, visibility as low as a quarter mile at times in dense fog. For the Extreme Heat Warning, a dangerous combination of oppressively hot and humid conditions with heat index values between 105 to 115 expected. * WHERE...In Illinois, Bureau, Putnam, Carroll, Henry IL, Jo Daviess, Stephenson, and Whiteside Counties. In Iowa, Clinton, Jackson, and Dubuque Counties. * WHEN...For the Dense Fog Advisory, until 8 AM CDT this morning. For the Extreme Heat Warning, until 10 PM CDT this evening. * IMPACTS...Low visibility could make driving conditions hazardous. Heat related illnesses increase significantly during extreme heat and high humidity events. 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. If driving, slow down, use your headlights, and leave plenty of distance ahead of you. &&
Dense Fog Advisory
Issued: 8:39 AM Jul. 27, 2026 – National Weather Service
...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING... ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING... * WHAT...For the Dense Fog Advisory, visibility as low as a quarter mile at times in dense fog. For the Extreme Heat Warning, a dangerous combination of oppressively hot and humid conditions with heat index values between 105 to 115 expected. * WHERE...In Illinois, Bureau, Putnam, Carroll, Henry IL, Jo Daviess, Stephenson, and Whiteside Counties. In Iowa, Clinton, Jackson, and Dubuque Counties. * WHEN...For the Dense Fog Advisory, until 8 AM CDT this morning. For the Extreme Heat Warning, until 10 PM CDT this evening. * IMPACTS...Low visibility could make driving conditions hazardous. Heat related illnesses increase significantly during extreme heat and high humidity events. 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. If driving, slow down, use your headlights, and leave plenty of distance ahead of you. &&
Special Weather Statement
Issued: 6:41 AM Jul. 27, 2026 – National Weather Service
...Areas of Fog Tonight into Early Monday Morning... Light winds and very humid conditions have resulted in areas of fog across portions of eastern Iowa and northwest Illinois. The fog could become locally dense at times with visibilities down to a quarter mile, especially in low-lying locations. Expect conditions to quickly improve by the mid morning hours. Motorists should exercise caution as visibilities may change suddenly over short distances. Use low beam headlights and leave plenty of distance between you and the vehicle ahead.
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