San Mateo, CA Traffic and Road Conditions

Drivers in the Southwest should be on high alert for sudden heavy rain and potential flash flooding especially along the I-40 and I-10 corridors. Keep an eye out for ponding water which can lead to unexpected road closures. Commuters traveling through the Southern Rockies, including highways like I-25, should prepare for showers and possible thunderstorms. The risk of flash flooding is present, so please drive carefully and be mindful of road closures. As we head into Friday and Saturday, heavy rain is expected to develop along the I-94 and I-90 corridors. Be prepared for potential flash flooding, which could lead to traffic delays and detours. The cooler air makes its way into the area, but watch out for cooler temperatures that could impact tire pressure. Routes like the I-70 and I-80 should see less severe weather impacts. Travelers in this region should prepare for intense heat, especially in areas along I-35, I-20, and I-55. Ensure your vehicle's air conditioning is working well and stay hydrated. Scattered thunderstorms are expected primarily on State Route 528 and US-1. While heavy rain is less likely, be aware of slippery roads and drive with caution.