Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Jo Daviess-
Stephenson-Carroll-
Including the cities of Dubuque, Freeport, Cedar Rapids, Vinton,
Independence, Maquoketa, Manchester, Anamosa, Mount Carroll, and
Galena
250 AM CDT Wed Apr 15 2026

…FLOOD WATCH IN EFFECT THROUGH THIS EVENING…

• WHAT…Flash flooding caused by excessive rainfall is possible.
• WHERE…Portions of northwest Illinois, including the following
  counties, Carroll, Jo Daviess and Stephenson and Iowa, including
  the following counties, Benton, Buchanan, Delaware, Dubuque,
  Jackson, Jones and Linn.
• WHEN…Through this evening.
• IMPACTS…Excessive runoff may result in flooding of rivers,
  creeks, streams, and other low-lying and flood-prone locations.
• ADDITIONAL DETAILS…
• Rainfall amounts of 1 to 3 inches occurred with thunderstorms
  Tuesday evening, especially along and near the Highway 20
  corridor. Additional rounds of showers and thunderstorms are
  expected this morning, and again by mid afternoon through
  this evening. These storms will be capable of producing
  rainfall rates up to 1 to 2 inches per hour. Any additional
  heavy rain on saturated ground will increase the risk for
  flash flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.