907
NWUS53 KDVN 250024
LSRDVN

Preliminary Local Storm Report...Summary
National Weather Service Quad Cities IA IL
724 PM CDT Mon Aug 24 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0649 PM     Hail             1 WNW Savanna           42.09N 90.16W
08/21/2026  E1.00 Inch       Carroll            IL   Broadcast Media

            Broadcast media report of quarter-sized hail
            in Savanna. Time estimated by radar.

0711 PM     Tornado          1 S Depue               41.30N 89.32W
08/21/2026                   Putnam             IL   NWS Storm Survey

            Corrects previous tornado report starting
            location and time. An EF0 tornado, with
            estimated peak winds of 80 MPH, developed
            near the southern banks of the Illinois
            River and curled its way across northern
            Putnam County. The tornado crossed through a
            rock quarry, where it tipped over a portion
            of an industrial conveyor system. Minor tree
            and utility line damage was noted.

0723 PM     Tstm Wnd Dmg     Fulton                  41.86N 90.15W
08/21/2026                   Whiteside          IL   Trained Spotter

            Power poles down.

0730 PM     Tstm Wnd Dmg     1 E Fulton              41.86N 90.15W
08/21/2026                   Whiteside          IL   Public

            Power lines down across the road in Fulton
            Illinois on Illinois 136 towards Clinton.
            Time estimated from radar.

0734 PM     Funnel Cloud     3 S Granville           41.23N 89.23W
08/21/2026                   Putnam             IL   Trained Spotter

            Based on multiple spotter photos and
            reports.

0738 PM     Hail             1 NE Fulton             41.87N 90.15W
08/21/2026  M0.88 Inch       Whiteside          IL   Trained Spotter

            Largest hailstone seen was the size of
            nickels.

0830 PM     Tstm Wnd Dmg     2 SSE Osborn            41.49N 90.25W
08/21/2026                   Henry              IL   Trained Spotter

            Large branches down.

0850 PM     Flash Flood      Mark                    41.26N 89.24W
08/21/2026                   Putnam             IL   Emergency Mngr

            Reports of street flooding at a few
            locations around the town of Granville.


&&

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