Atmospheric River to Begin to Impact the Northwest U.S.; Gusty Winds in the Northeast U.S.

A strong atmospheric river moving into northern California later Tuesday will bring a threat for moderate to heavy rainfall and flooding, gusty to high winds, and mountain snows for parts of the Northwest U.S. through at least Wednesday. Gusty winds and isolated rain and snow showers will continue in the Northeast U.S. Tuesday behind a cold front. Read More >

Updated 9/30/25

2025 Update: An EF-0 tornado occurred near Mt. Sterling on Sept. 22nd. This is the 39th tornado to be documented in WI this year, which is the 6th most in Wisconsin's history going back to 1950. 4 EF2s, 13 EF1s, 20 EF0s and 2 EF Unknown (U) have been documented. On average, Wisconsin has 23 tornadoes that occur throughout the full year.