Active Weather Alerts
Heat Advisory
Issued: 8:05 AM Sep. 4, 2026 – National Weather Service
...HEAT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM CDT SATURDAY... * WHAT...Heat index values up to 105 expected. * WHERE...Grundy, Hamilton, Hardin, Webster, Black Hawk, Calhoun, and Sac Counties. * WHEN...From 1 PM this afternoon to 7 PM CDT Saturday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...While heat index values may not reach 105 degrees each day, the combination of the longevity of the heat and little or limited relief during the overnight periods with warm lows have prompted the multi-day Heat Advisory. 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. &&
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