Thunderstorms are forecast to develop across parts of the central Plains Wednesday afternoon and evening, some packing powerful wind and isolated tornadoes.

The severe weather outlook for Wednesday, July 18
Dark green, yellow, and orange areas will be at greatest risk of severe thunderstorms Wednesday.

The damaging wind potential on Wednesday, July 18
The greatest severe potential will be damaging wind gusts, from parts of South Dakota through Nebraska and parts of Kansas. These are the areas that may experience isolated power outages from strong winds, along with debris from the storm gusts.

The tornado potential Wednesday, July 18
The highest potential for tornadoes will be in southeast South Dakota and eastern Nebraska.

The forecast Wednesday morning, July 18 where yellows and reds show a simulation of where thunderstorms will be.
The thunderstorms will be the result of a change in air mass. Cooler, drier air across the Mississippi River Valley will be invaded by muggier, warmer air approaching from the Rockies.

The forecast Wednesday afternoon, July 18 where yellows and reds show a simulation of where thunderstorms will be.
Thunderstorms will move to the east, parallel and most numerous between Interstates 80 (Nebraska) and 90 (South Dakota).

The forecast Wednesday evening, July 18 where yellows and reds show a simulation of where thunderstorms will be.
Thunderstorms will likely last beyond sunset, so have a way of getting those weather warnings!

The severe thunderstorm risk is up to "Enhanced" on Wednesday meaning severe thunderstorms become more likely with a few tornadoes and hail the size of hen eggs.
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For WeatherNation, Meteorologist Steve Glazier