National Weather Service United States Department of Commerce

A brief warm-up will be seen with rain possible Sunday and Monday. The warmest day will be Monday ahead of an approaching cold front. Some of the storms on Monday may be strong. Much cooler conditions will be seen Tuesday.
Clearing skies and light wind will set the stage for another cold night with temperatures in the low to upper 30s. A frost advisory has been issued from 1am tonight until 8am Saturday. Early blooming plants or trees may be damaged if not protected.
April 2026 was a very warm and wet month across the area. Multiple climate sites observed average temperatures within their top 10 warmest Aprils or precipitation totals within their top 10 wettest Aprils. For Dubuque, this was the wettest April on record with 8.73” of precipitation. For more information: https://www.weather.gov/dvn/Climate_Monthly_04_2026