Hazardous Weather Outlook for Cortland, Illinois
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
950 AM CDT Wed May 1 2024
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-021500-
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
950 AM CDT Wed May 1 2024 /1050 AM EDT Wed May 1 2024/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Limited Thunderstorm Risk overnight.
DISCUSSION...
A few thunderstorms may develop late tonight as a warm front
lifts into the area. Severe weather is not expected.
Minor river flooding will continue in a few areas through the
weekend.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Thursday...
Limited Severe Thunderstorm Risk west of I-39.
Elevated Flooding Risk.
Friday and Saturday...
Limited Thunderstorm Risk.
Monday and Tuesday...
Limited Thunderstorm Risk.
DISCUSSION...
Periods of showers and thunderstorms are expected over the next
several days. There is a threat for locally heavy rainfall
Thursday night, which could result in flooding at some locations.
Late Thursday afternoon and evening, a few strong to severe
thunderstorms may occur west of Interstate 39.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Moving toward the northeast at 25 mph.