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Cold Again Tonight; Frost/Freeze Expected

April 2026 Climate Summaries For MSN and MKE

Another cold night is expected tonight into Saturday morning across southern Wisconsin. A Freeze Warning is in effect for most of the area from 12 AM to 8 AM CDT Saturday, and a Frost Advisory is in effect for far southeast Wisconsin. Cover or bring indoors any sensitive vegetation. Temperatures will warm up Sunday into Monday, with chances for showers Sunday and chances for showers and storms Monday.

Here are the climate summaries for April 2026 at Madison and Milwaukee. Both sites had their wettest April on record. Milwaukee had its 8th warmest April on record, and Madison had its 15th warmest April on record.