Grundy County

Alerts in effect

Alerts covering all or part of Grundy County.

• Flood Advisoryminor

  Cook, IL; DuPage, IL; Grundy, IL; Kane, IL; Kendall, IL; Will, IL

  NWS Chicago IL · until Oct 2, 7:00 AM CDT

Outlook for the days ahead

• Severe Thunderstorm Outlook, Day 1: no risk area over Grundy County until Oct 3, 12:00 PM UTC · Storm Prediction Center
• Excessive Rainfall Outlook, Day 1: no risk area over Grundy County until Oct 3, 12:00 PM UTC · Weather Prediction Center
• Severe Thunderstorm Outlook, Day 2: no risk area over Grundy County until Oct 4, 12:00 PM UTC · Storm Prediction Center
• Excessive Rainfall Outlook, Day 2: no risk area over Grundy County until Oct 4, 12:00 PM UTC · Weather Prediction Center
• Severe Thunderstorm Outlook, Day 3: no risk area over Grundy County until Oct 5, 12:00 PM UTC · Storm Prediction Center
• Excessive Rainfall Outlook, Day 3: no risk area over Grundy County until Oct 4, 12:00 PM UTC · Weather Prediction Center
• Excessive Rainfall Outlook, Day 4: no risk area over Grundy County until Oct 6, 12:00 PM UTC · Weather Prediction Center
• Excessive Rainfall Outlook, Day 5: no risk area over Grundy County until Oct 7, 12:00 PM UTC · Weather Prediction Center

Rainfall forecast

• Day 1 (24 hours): no measurable rain forecast in Grundy County issued Oct 2, 5:41 AM UTC · Weather Prediction Center
• Days 1–3 (72 hours): no measurable rain forecast in Grundy County issued Oct 2, 5:53 AM UTC · Weather Prediction Center
• Days 1–7: highest in Grundy County, 0.01 to 0.1 inches issued Oct 2, 5:54 AM UTC · Weather Prediction Center

River gauges

• Aux Sable Creek near Morris
  NowNo flooding8.91 ftOct 2, 2:00 AM CDT
• Illinois River at Dresden Lock (tailwater)
  NowNo flooding488.9 ftOct 2, 2:00 AM CDT
• Illinois River at Morris
  NowNo flooding7.61 ftOct 2, 1:45 AM CDTForecastNo flooding8.6 ftOct 3, 1:00 AM CDT
• Kankakee River near Lorenzo
  NowNo flooding504.91 ftOct 2, 2:00 AM CDT
• Mazon River near Coal City
  NowNo flooding1.81 ftOct 2, 1:45 AM CDT