
Severe weather threat with possible damaging winds, flooding for Saturday in Chicago
The best window for storms is between 10 a.m. and 4 p.m. You can keep any plans in the evening.
The storms can produce damaging winds and cause flooding, as one to three inches of rain are expected in some areas.
Several rounds of storms are possible next week, with torrential rain and localized flash flooding. Dangerous heat also returns by the middle of the week, as heat index values exceed 105 degrees.
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CBS News
15 hours ago
- CBS News
Maps show U.S. heat advisories, high temperatures as heat dome moves east
The extreme heat that has baked much of the central United States this week is slowly shifting east ahead of the weekend, forecasters said. More than 130 million Americans across at least 20 states are under heat alerts on Thursday. Parts of the Midwest, including the Corn Belt, have felt the high temperatures for multiple days. Temperatures on Thursday are forecast to be 10 to 15 degrees above average for this time of year with feels-like temperatures over 100 degrees expected in multiple areas. Some parts of the Mississippi Valley will continue to see high temperatures over 90 degrees for a few more days, even as the heat dome moves over parts of the Northeast. A heat dome happens when hot air is trapped over an area due to a persistent high pressure system, William Gallus, a professor of atmospheric science at Iowa State University, said. Heat domes can last for days to weeks and can stretch over multiple states. With extreme heat in the Corn Belt, a region including parts of the Plains and Central Mississippi Valley, a phenomenon known as corn sweat has made the humidity worse, experts said. "There are pores on the bottom side of the leaves," Iowa state climatologist Justin Glisan told CBS News national correspondent Lana Zak. "And that's where oxygen is released, but also water vapor." The process can add up to 10 degrees to the feels-like temperature, Glisan said, because just 1 acre of corn can release as much as 4,000 gallons of water into the air per day. Iowa has around 13 million acres of corn.


CBS News
15 hours ago
- CBS News
Chicagoans attempting to stay cool during second day of dangerous heat
It's not easy to cool off during dangerous temperatures, but people around the city are coping with the extreme heat. One place heating up is the farmers market, and this season, the heat has been really hard on those who grow crops and stand outside for hours to sell at Daley Plaza. Miguel Sanchez at Parras Farms, a conventional farm, said they've had irrigation issues and have had to adapt to keep their crops alive due to the heat. He's hoping folks still come out despite the heat because these summer farmers market days are so important to his business "It's extremely warm today. I truly hope people come out, I know it's really warm, and people would just want to be in the air conditioning," he said. "I've been buying plenty of water, it's been kinda hard." On the Northwest Side, power was restored after an overnight outage in Belmont Cragin. Neighbors there said they slept through it. Others say it got hot fast without air conditioning in their homes, forcing some residents outside to get a break. Others went to their vehicles for air conditioning. Comed crews restored power around 5:30 a.m. on Thursday. The electric company cited bad transformers in the area. They also said that on the hottest and most humid days, powerlines work overtime. They've been setting up generators to help the grid, with so many having their air conditioners on full blast. If you're looking for a place to cool off, the Office of Emergency Management and Communications has cooling stations throughout the city. Most will be open until 5 p.m.


News24
15 hours ago
- News24
Friday's weather: Damaging waves south of Durban, cloudy, cool with some showers across SA
The South African Weather Service (SAWS) has warned of damaging waves expected south of Durban, KwaZulu-Natal from Friday until Saturday night that could cause disruptions and navigational difficulties, while the rest of the country can expect cloudy and cool conditions with scattered showers. Impact-based warnings Damaging waves are expected south of Durban from Friday afternoon, posing risks such as difficulty in navigation, localised disruption of harbours/ports, and interruptions to beachfront activities. These conditions are expected to subside by Saturday midnight. Weather forecast for today and tomorrow, 24-25 July 2025: Partly cloudy and cold to cool with isolated showers and thundershowers. #saweatheroutlook #saws — SA Weather Service (@SAWeatherServic) July 24, 2025 The weather in your province Gauteng: Partly cloudy and cool with isolated showers and thundershowers. Mpumalanga: Partly cloudy and cool but warm in the Lowveld. Isolated afternoon showers and thundershowers are expected over the Highveld. Mbombela: 09°C – 24°C Ermelo: 03°C – 18°C Emalahleni: 03°C – 19°C Standerton: -1°C – 18°C Skukuza: 09°C – 30°C Limpopo: Partly cloudy and cool to warm with isolated showers and thundershowers in the south-west. Polokwane: 05°C – 21°C Phalaborwa: 12°C – 28°C Tzaneen: 10°C – 26°C Musina: 13°C – 27°C Lephalale: 08°C – 25°C Mokopane: 08°C – 23°C North West: Partly cloudy and cool with isolated showers and thundershowers. Expect windy conditions in places in the east during the afternoon. Klerksdorp: 06°C – 20°C Potchefstroom: 06°C – 20°C Mahikeng: 06°C – 22°C Rustenburg: 06°C – 21°C Vryburg: 06°C – 23°C Free State: Partly cloudy and cold to cool with isolated showers and thundershowers. Windy conditions will occur in places in the east. Bloemfontein: 05°C – 19°C Welkom: 07°C – 19°C Bethlehem: 02°C – 16°C Northern Cape: Morning fog patches over the south-western interior, otherwise partly cloudy and cool with isolated showers and thundershowers in the east. It will be cold in the south. The wind along the coast will be moderate south-easterly. Upington: 08°C – 20°C Kimberley: 08°C – 19°C De Aar: 07°C – 15°C Alexander Bay: 11°C – 20°C Springbok: 06°C – 17°C Calvinia: 05°C – 15°C Sutherland: -2°C – 11°C Western Cape: Cloudy and cold along the coast and nearby interior with light rain in the south-west during the morning, spreading along the south coast. Elsewhere, conditions will be partly cloudy and cool. The wind along the coast will be moderate to fresh south to south-westerly, becoming strong along the south coast. Cape Town: 12°C – 15°C Vredendal: 10°C – 18°C Riversdale: 10°C – 14°C George: 10°C – 13°C Worcester: 07°C – 14°C Beaufort West: 08°C – 14°C Oudtshoorn: 07°C – 14°C Western half of the Eastern Cape: Cloudy and cold with isolated showers and thundershowers in the south. The wind along the coast will be strong south-westerly. Eastern half of the Eastern Cape: Cloudy and cold to cool with isolated showers and thundershowers. The wind along the coast will be fresh to strong south-westerly. Gqeberha: 14°C – 17°C Makhanda: 11°C – 15°C Cradock: 07°C – 15°C Graaff-Reinet: 05°C – 14°C East London: 15°C – 18°C Port St Johns: 13°C – 20°C Mthatha: 10°C – 18°C Komani: 07°C – 15°C Qonce: 12°C – 15°C KwaZulu-Natal: Partly cloudy and cool with isolated showers and thundershowers. It will be warm in the extreme northeast. The wind along the coast will be moderate to fresh south-westerly, but north-westerly in the north. Durban: 14°C – 22°C Richard's Bay: 13°C – 24°C Pietermaritzburg: 07°C – 21°C Ladysmith: 06°C – 22°C * This weather report was written with the support of Toqan AI.