Illinois, 1979

Hail and Damaging Winds in Illinois, April 11, 1979

April 11, 1979 · NWS NG · 7 events in 5 counties and zones

6 thunderstorm wind, 1 hail, as filed by the National Weather Service.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
7

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

Event by event

6 thunderstorm wind, 1 hail. Local standard time, as filed.

Hail, Morgan

When
April 11, 4:50 PM CST
Where
Morgan County
Measured
1.75 in hail
Coordinates
39.730, -90.230

Thunderstorm Wind, Jackson

When
April 11, 6:15 PM CST
Where
Jackson County
Measured
61 kt (70 mph)
Coordinates
37.720, -89.480

Thunderstorm Wind, Jackson

When
April 11, 6:30 PM CST
Where
Jackson County
Measured
50 kt (58 mph)
Coordinates
37.780, -89.250

Thunderstorm Wind, Coles

When
April 11, 7:45 PM CST
Where
Coles County
Measured
55 kt (63 mph)
Coordinates
39.480, -88.280

Thunderstorm Wind, Coles

When
April 11, 8:00 PM CST
Where
Coles County
Measured
54 kt (62 mph)
Coordinates
39.480, -88.370

Thunderstorm Wind, Crawford

When
April 11, 8:10 PM CST
Where
Crawford County
Measured
56 kt (64 mph)
Coordinates
39.000, -87.730

Thunderstorm Wind, Rock Island

When
April 11, 8:28 PM CST
Where
Rock Island County
Measured
55 kt (63 mph)
Coordinates
41.450, -90.520

What these are

Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Illinois in 1979Every state in 1979This day in weather history

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 10004709, 10004710, 10004711, 10004712, 10004713, 10009319, 10007046.