Ohio will hold a statewide tornado drill on Wednesday, March 18, at 9:50 a.m. Many communities may sound sirens and run alert-system tests during Severe Weather Awareness Week.

Sunny now with highs near 77°F; a warm spell builds into the weekend with inland highs reaching the 80s and low 90s early next week. Read safety tips and cooling resources.

Thunderstorms early Wednesday could bring heavy rain and gusts up to 50 mph. Skies clear to a breezy 84°F, then warm into the weekend.

An early heat surge will push Las Vegas into the 80s and likely the 90s by the weekend. Here are the forecasts and where to find cooling help.

Clear skies now, but a warming trend will push interior San Francisco into the 70s and possibly the 80s by early next week. Heat‑safety tips and cooling resources inside.

A new global study finds life‑limiting heat hours have doubled since the 1950s, shaving months off seniors' safe activity time and pushing cities to expand cooling help.

Clear skies this morning give way to a midweek warm-up. Highs hit the 70s today and the 80s by Thursday, with a chance of 90°F next week.

Clear, muggy morning and highs near 89°F. Storms become likely Thursday with a stronger front expected next week.

A persistent atmospheric river will douse Portland through Friday with heavy rain, gusty south winds, and a risk of minor river flooding.

Mid-70s morning and a high near 80°F. Atlantic beaches face an elevated rip-current risk through today.

High Wind and Fire Weather Watches arrive Thursday; expect gusty winds, a warm weekend, then a late‑Saturday cold front with mountain snow.

Clear and mild this morning with a high near 77°F. Weekend warms into the 80s with gusty winds Saturday and near‑critical fire concerns in places.

Unseasonable warmth leads to a high near 80°F in D.C., but a cold front brings a threat of severe storms this afternoon into the evening.