National Weather Service United States Department of Commerce

Excessive Rainfall Possible for the Gulf Coast and Florida; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across parts of the Gulf Coast into central/northern Florida early this week. Abnormally hot, potentially record-breaking, temperatures will continue for southern California and stretch north toward the Bay Area and Central Valley this week. Read More >

Patchy frost is expected tonight in valleys and other low lying areas. Otherwise, mainly clear skies are expected this week with temperatures typical for early October.
Here are the summary statistics for September 2026. Temperatures and precip were near normal to slightly above normal, with the majority of the warm weather evident in the overnight lows. Milwaukee set a new record for September 19th daily rainfall, no other records were tied or broken.