A cold front extending from Wisconsin into eastern Iowa triggered a line of strong to severe thunderstorms during the pre-dawn hours of August 1st.  The storms tracked southeastward, producing scattered wind damage along and north of the I-72 corridor.  One of the cells spawned a brief EF-1 tornado in the town of Beason in eastern Logan County which severely damaged a grain elevator and numerous trees before quickly lifting.  Another storm produced a brief EF-0 tornado near Mason City in Mason County that caused minor damage.

Thunderstorm Wind in MACON, ILLINOIS
From 01-AUG-22 04:46:00 to 01-AUG-22 04:51:00 (CST-6)
Location: (DEC)DECATUR ARPT
Magnitude: 57.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm Wind in TAZEWELL, ILLINOIS
From 01-AUG-22 03:58:00 to 01-AUG-22 04:03:00 (CST-6)
Location: TREMONT
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A power outage occurred at the time of the wind gust.

Thunderstorm Wind in CHAMPAIGN, ILLINOIS
From 01-AUG-22 04:58:00 to 01-AUG-22 05:03:00 (CST-6)
Location: TOLONO
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Eight power poles were blown down.

Thunderstorm Wind in MACON, ILLINOIS
From 01-AUG-22 04:40:00 to 01-AUG-22 04:45:00 (CST-6)
Location: DECATUR
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Several tree branches were blown down in Decatur.

Thunderstorm Wind in PIATT, ILLINOIS
From 01-AUG-22 04:50:00 to 01-AUG-22 04:55:00 (CST-6)
Location: BEMENT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Trees were blown down in Bement.

Thunderstorm Wind in CHAMPAIGN, ILLINOIS
From 01-AUG-22 05:10:00 to 01-AUG-22 05:15:00 (CST-6)
Location: LONGVIEW
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A tree was blown down and corn crops were knocked over.

Tornado in MASON, ILLINOIS
From 01-AUG-22 03:46:00 to 01-AUG-22 03:48:00 (CST-6)
Location: NATRONA
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A tornado touched down in a field just north of County Road 1300 North about 2.5 miles north of Mason City at 4:46 AM CDT.  The tornado tracked southeastward toward the intersection of County Road 1300 North and County Road 3600 East, flipping an empty trailer hopper and damaging a tractor before quickly dissipating at 4:48 AM CDT.

Thunderstorm Wind in VERMILION, ILLINOIS
From 01-AUG-22 05:26:00 to 01-AUG-22 05:31:00 (CST-6)
Location: INDIANOLA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A few trees and power lines were downed in Indianola.

Thunderstorm Wind in VERMILION, ILLINOIS
From 01-AUG-22 05:15:00 to 01-AUG-22 05:20:00 (CST-6)
Location: JAMAICA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Several trees were blown down.

Thunderstorm Wind in VERMILION, ILLINOIS
From 01-AUG-22 05:20:00 to 01-AUG-22 05:25:00 (CST-6)
Location: SIDELL
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Trees were blown down in Sidell.

Thunderstorm Wind in EDGAR, ILLINOIS
From 01-AUG-22 05:25:00 to 01-AUG-22 05:30:00 (CST-6)
Location: BROCTON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Numerous tree branches were blown down.

Thunderstorm Wind in LOGAN, ILLINOIS
From 01-AUG-22 04:05:00 to 01-AUG-22 04:10:00 (CST-6)
Location: LINCOLN
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several large trees were snapped at the base, including one that was 24 inches in diameter.  A large outbuilding was also damaged.

Hail in KNOX, ILLINOIS
From 01-AUG-22 00:55:00 to 01-AUG-22 01:00:00 (CST-6)
Location: ALTONA
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Thunderstorm Wind in TAZEWELL, ILLINOIS
From 01-AUG-22 03:55:00 to 01-AUG-22 04:00:00 (CST-6)
Location: HOPEDALE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Several tree branches and power lines were blown down.

Thunderstorm Wind in VERMILION, ILLINOIS
From 01-AUG-22 05:30:00 to 01-AUG-22 05:35:00 (CST-6)
Location: RIDGE FARM
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Several 8 to 12-inch diameter tree branches were blown down.

Thunderstorm Wind in DOUGLAS, ILLINOIS
From 01-AUG-22 05:00:00 to 01-AUG-22 05:05:00 (CST-6)
Location: GARRETT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Strong thunderstorm wind gusts caused minor siding and gutter damage on homes.  The roof of a shed was also damaged.

Thunderstorm Wind in DOUGLAS, ILLINOIS
From 01-AUG-22 05:25:00 to 01-AUG-22 05:30:00 (CST-6)
Location: HINDSBORO
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A large tree was blown over.

Thunderstorm Wind in MACON, ILLINOIS
From 01-AUG-22 04:32:00 to 01-AUG-22 04:37:00 (CST-6)
Location: ARGENTA
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Three trees were blown down and a gazebo was tossed onto the roof of a house, causing damage to the roof.

Thunderstorm Wind in PIATT, ILLINOIS
From 01-AUG-22 04:45:00 to 01-AUG-22 04:50:00 (CST-6)
Location: CERRO GORDO
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Several tree branches were blown down, one of which damaged a chain link fence.

Thunderstorm Wind in TAZEWELL, ILLINOIS
From 01-AUG-22 03:55:00 to 01-AUG-22 04:00:00 (CST-6)
Location: TREMONT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Numerous tree limbs were blown down.

Tornado in LOGAN, ILLINOIS
From 01-AUG-22 04:12:00 to 01-AUG-22 04:15:00 (CST-6)
Location: BEASON
Tornado F-scale: EF1
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A tornado touched down on the far west side of Beason at 5:12 AM CDT.  It damaged a grain elevator, some large bins, and equipment on the west end of Clinton Street...then tracked southeastward, damaging numerous trees and powerlines on the west end of County Road 1549 North and near the intersection of County Road 2143 East and County Road 1540 North.  A few homes along the track had minor roof damage and missing shingles, while one suffered a broken window.  The tornado continued southeastward through corn fields before lifting about 1.75 miles southeast of Beason at 5:15 AM CDT.

Thunderstorm Wind in MACON, ILLINOIS
From 01-AUG-22 04:40:00 to 01-AUG-22 04:45:00 (CST-6)
Location: DECATUR
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A large tree was blown onto a house, causing structural damage.