Cool, foggy mornings give way to sunny, breezy afternoons with highs near 69°F and gusts up to 20 mph. A warming trend is expected into the holiday weekend.

Pittsburgh is under an Extreme Heat Warning with highs near 100°F and heat indices up to 110°F. Cooling centers are open across the city.

An Extreme Heat Warning is in effect for St. Louis through Friday, July 3. Highs near 97°F and heat‑index readings to around 110°F; cooling centers and safety tips below.

Gray mornings give way to highs near 68°F and light breezes; coastal small craft advisories tonight. Drier, warmer conditions expected for the July 4 weekend.

Sunny, dry heat builds through the Fourth of July week in Salt Lake City with highs hitting the 90s and elevated fire risk across parts of Utah.

Cool morning, then a hot, smoky afternoon. Red Flag Warning noon–8 p.m.; avoid burning.

Morning fog gives way to a dangerous heat stretch — highs near 95°F and feels‑like temps over 100°F through Friday.

A severe thunderstorm warning for Watauga County sent Boone and nearby communities indoors Tuesday as storms brought possible 60 mph gusts and flood risk.

Upper-90s heat with heat-index values over 100°F through the July 4 weekend. Cooling centers and safety tips inside.

Extreme heat grips Milwaukee Wednesday with highs near 94°F and heat-index readings in the low 100s. Cooling sites and storm chances are in play into the holiday weekend.

Hot and muggy in San Antonio today; highs near 95°F and heat index up to 102°F. City cooling centers and heat‑safety tips are available.

Hot, muggy and breezy in Oklahoma City today with highs near 95°F. Expect even hotter conditions this Saturday.

Chicago hits the mid-90s with heat indices above 100 through July 3. Officials urge people to stay cool, hydrate and check on vulnerable neighbors.