Issued: July 28, 2025, 1:04 PM CDT

Affected Areas: Portions of north central Illinois, northwest Illinois, west central Illinois, east central Iowa, northeast Iowa, southeast Iowa, and northeast Missouri.

Today’s Hazards

• Severe Thunderstorms: Enhanced risk (level 3 out of 5) for severe weather along and north of Highway 30 in Iowa, with damaging winds and spin-up tornadoes as primary threats.
• Extreme Heat: Heat index values of 105 to 115 degrees expected, with an Extreme Heat Warning and Heat Advisory in effect for the entire area.
• Flooding: Local tributary rivers experiencing flooding from recent heavy rainfall; check latest Flood Statements and Flood Warnings for details.

Future Hazards (Tuesday through Sunday)

• Thunderstorms: More rounds of thunderstorms possible, with damaging winds and locally heavy rainfall with flooding as primary hazards.
• Heat: Heat index values of 100 to 110 degrees possible on Tuesday afternoon.

Additional Information

• Spotter Activation: May be needed today and tonight due to severe weather conditions.