National Weather Service United States Department of Commerce

Arctic Front Brings Winter Weather and Colder Temperatures to the Eastern U.S.

A series of cold fronts will bring heavy lake effect snow to the northern Great Lakes. The fronts will merge over the Ohio Valley and bring colder temperatures east of the Mississippi River later today into the end of the week. Additionally, wintry weather will develop over the Ohio Valley, Appalachians, and Northeast as rain switches over to snow tonight into Thursday morning. Read More >

Daily Flash Flood Risk

Last Updated: —

These risk levels are set each morning by 6 AM MST and will not be updated for ongoing weather. Remember: any thunderstorm can cause flash flooding, even on low-risk days.

Flash Flood Risk Legend
None
Minor
Moderate
Major
Extreme

Flash Flood Risk Areas

Flash Flood Threat Area

Current Hazards

Rainfall Chances

Day 1

Day 1 Chances of Precipitation

Day 2

Day 2 Chances of Precipitation

Day 3

Day 3 Chances of Precipitation