National Weather Service United States Department of Commerce

High-Impact and Far-Reaching Winter Storm Continues; Cold Expands and Persists

A major winter storm will shift its impacts into the Northeast U.S. with heavy snow through tonight while over the Mid-Atlantic, sleet and freezing rain will diminish. Extremely cold air behind the storm will prolong dangerous travel and infrastructure impacts. Sub-zero low temperatures are expected nearly every morning from the Northern Plains through the Ohio Valley and into the Northeast. Read More >

Weather History - May 9th

May 9th, 1999:

Torrential rains of two to five inches fell in Lyman County during the late evening hours, causing flash flooding on Medicine Creek. The KOA Campgrounds near Kennebec, including the main facility, were flooded. Several roads were also flooded and damaged along Medicine Creek. The storm's total rainfall in Kennebec was 3.40 inches. Also, a weak F0 tornado touched down briefly three miles south of Reliance, with no damage reported. Winds gusting to 70 mph knocked over a 4000-bushel holding bin near Revillo.