Heat Advisory Expanded Across Iowa as Heat Index Values Climb to 105°

A Heat Advisory has expanded across Iowa through Thursday as dangerous heat and humidity could push afternoon heat index values as high as 105°.

What Is a “Ring of Fire” Weather Pattern? Why It Often Brings Iowa Days of Storms and Dangerous Heat

Learn what a Ring of Fire weather pattern is, why it brings repeated thunderstorms and dangerous heat to Iowa, and how to stay safe during these events.

Heat Advisory Expanded Across Iowa as Heat Index Values Climb to 105°

What Is a “Ring of Fire” Weather Pattern? Why It Often Brings Iowa Days of Storms and Dangerous Heat

Iowa Weather Forecast

Thunderstorms are likely across parts of northern Iowa tonight after dark, especially close to the Minnesota border. There is some potential for severe storms, with damaging wind gusts being the primary threat. Additional thunderstorm chances are then forecast at times from late Wednesday night through the remainder of the week.

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Lunar Eclipse in Iowa: When and How to See the August 2026 Eclipse

See the August 2026 lunar eclipse in Iowa. Find peak viewing times, what to expect, why the Moon turns red and when Iowa’s next lunar eclipse occurs.

What is a Squall Line?

Learn how squall line thunderstorms form, how fast they move, how long they last and whether they can produce tornadoes.

When Does Fall Start in Iowa? Meteorological vs. Astronomical Fall Explained

Learn when fall starts in Iowa, the difference between meteorological and astronomical autumn, and what weather to expect across the state.