Heat advisory and severe storms forecast for Waterloo area Emergency Information 07/28/2025 12:55 AM (PDT) Waterloo, IAThis is a heat advisory for the following counties in Iowa, Chickasaw, Fayette, and Floyd. Heat advisory remains in effect from noon today to 8 p.m. this evening. Heat index values of 100 to 105 expected. The areas affected include portions of north-central and northeast Iowa, southeast Minnesota, and central, southwest, and west-central Wisconsin. from noon today to 8 p.m. this evening. The following impacts are expected, hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Now here is the hazardous weather outlook for portions of central Iowa. For tonight, thunderstorms will move across the area overnight, mainly after midnight. Some storms may be severe, with damaging wind gusts being the primary hazard. And now the extended outlook for the period Monday through Saturday Heat Advisory is in effect for the area late Monday morning into early Monday evening. Please refer to the National Weather Service website at weather.gov slash Des Moines for further details. Additional thunderstorm chances are forecast Monday night into early Tuesday and then again from late Tuesday afternoon through Wednesday night. There is the potential for damaging wind gusts Monday night into early Tuesday over northern Iowa. The severe weather and flash flooding threat for later Tuesday and Wednesday will be evaluated in the coming days. Spotter information statement, spotter activation is possible later tonight into early Monday and later this upcoming week as well. Minor flooding is occurring and minor flooding is forecast. The areas affected include the Cedar River at Cedar Falls, or from the West Fork Cedar River to the Cedar Falls Waterloo City Limits. When, until tomorrow evening. The following impacts are expected, at 89.7 feet, water affects the road at 1712 and 1118 Cottage Row Road. Additional details, at 8.45 p.m. Sunday, the stage was 89.7 feet. Forecast. The river is expected to fall below flood stage early tomorrow afternoon and continue falling to 82.9 feet Sunday, August 3rd. Flood stage is 89.0 feet. This is NOAA All Hazards Weather Radio Station WXL 94 at Waterloo, Iowa, transmitting on 162.55 megahertz. This broadcast originates from the National Weather Service at Des Moines, Iowa. The current time is 2.58 a.m. Central Daylight Time. Now for the official National Weather Service forecast for Waterloo, Cedar Falls, and surrounding locations, today, mostly cloudy early this morning, then clearing. Shows with thunderstorms likely early, then a chance of showers and thunderstorms this morning. Humid with highs around 90. Southeast winds 5 to 10 miles an hour, becoming southwest this afternoon. Chance of rain 80%. Heat index values up to 106. Tonight, mostly clear until midnight, then becoming mostly cloudy. A chance of showers and thunderstorms. Humid with lows in the lower 70s. Southeast winds surround 5 miles an hour. Chance of rain 50%. Heat index values up to 106 early until midnight. Tuesday, mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Tumid with highs in the upper 80s. South winds 5 to 10 miles an hour, becoming north in the afternoon. Chance of rain 40%. Heat index values in the upper 90s. Tuesday night. Mostly cloudy with the chance of thunderstorms. A chance of showers. Humidable flows in the mid-60s. Northeast winds 5 to 10 miles an hour. Chance of rain 50%. Heat index values in the midnight is early until midnight. Wednesday, mostly cloudy with the chance of thunderstorms. A chance of showers. Cooler with highs in the upper 70s. Northeast winds 5 to 10 miles an hour. Chance of rain 50%. Wednesday night, mostly cloudy with a slight chance of showers and thunderstorms until midnight, then partly cloudy after midnight. Lows in the upper 50s. Chance of rain 20%. Thursday, mostly sunny. Highs in the mid-70s. Thursday night, partly cloudy. Lows in the mid-50s. Friday, mostly sunny. Highs in the mid-70s. Friday night, partly cloudy. Lows in the mid-50s. Saturday, mostly sunny. Highs in the mid-70s. Saturday night, partly cloudy. Lows in the mid-50s. Sunday, mostly sunny. Highs in the mid-70s. Again, the forecast for Waterloo. Cedar Falls, and surrounding locations for today, mostly cloudy early in the morning then clearing. Shows with thunderstorms likely early, than a chance of showers and thunderstorms this morning. Humid. Highs around 90. Southeast winds 5 to 10 miles an hour, becoming southwest this afternoon. Chance of rain 80%. Heat index values up to 106.