A dangerous weather system is moving through the Western and Northern High Plains, with forecasters warning of a powerful derecho and widespread severe storms expected through early this week.

Key Threats

A derecho is forecast to bring hurricane-force winds over 75 mph, large hail, and the potential for tornadoes across parts of South Dakota, Minnesota, and Iowa.
The system could stretch across hundreds of miles, causing damage similar to a tornado outbreak.
Western Plains states including Texas, Oklahoma, Kansas, and the Dakotas are also facing multiple days of severe thunderstorms.

Impact Zone and Timeline

Region Threats Timing

Northern High Plains Derecho, damaging winds, tornadoes, hail Monday
Western High Plains Severe storms, hail, tornadoes Ongoing
Midwest and Ohio Valley Strong storms, flash flooding, tornado risk Tuesday to Wednesday