Overview
- Forecasts show a swift weekend warm-up across much of the U.S., with highs in the 80s and storm chances starting Saturday in the Midwest and Ohio Valley.
- The Storm Prediction Center placed Chicago under a marginal severe risk for Saturday, and local forecasts highlight another window for severe storms Monday.
- Heat and humidity surge early next week in the Mid-Atlantic and Northeast, with inland New England near 90 on Tuesday and some Mid-Atlantic cities near the mid 90s.
- The Gulf and Deep South turn muggy first, with dew points near 70 pushing heat index values to about 90 to 95 by Sunday and daily storm chances returning next week.
- The U.K. stays cool and showery this weekend before a late-week warm spell, as the Met Office points to low to mid 20s Celsius around the bank holiday.