Cheyenne, Wyoming – Parts of southeast Wyoming and western Nebraska could face flooding Monday evening as slow-moving thunderstorms bring heavy rain to the region.
According to the National Weather Service in Cheyenne, a marginal to slight risk for excessive rainfall is in effect through Monday night, with the greatest threat centered along a stalled cold front draped over the High Plains. Multiple rounds of showers and thunderstorms are expected, particularly near Cheyenne, Laramie, Scottsbluff, and Sidney, raising the potential for localized flash flooding.
Storms may repeatedly track over the same areas—a setup known as “training”—which can quickly overwhelm drainage systems. Residents in low-lying areas, especially near creeks or underpasses, should prepare for rapidly rising water and avoid driving through flooded roads.
The Wyoming Department of Transportation and Nebraska DOT advise travelers to check 511 updates and avoid non-essential travel during heavy downpours.
This early June rain event could impact evening commutes and agricultural operations already sensitive to saturated soils. Emergency kits, charged devices, and alternate routes are recommended.
Flash flood watches or additional alerts could be issued if rainfall intensifies. Stay weather-aware into Monday night.