Thunderstorm Wind, Stephenson
- When
- November 29, 9:20 PM CST
- Where
- Stephenson County
- Coordinates
- 42.430, -89.330
Tornadoes and Damaging Winds in Illinois, November 29, 1975
6 thunderstorm wind, 3 tornado, 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
The toll
- Deaths
- 0
- Injuries
- 2
- Property damage
- $525,000
- Crop damage
- None recorded
- Events
- 9
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, 3 tornado. Local standard time, as filed.
Thunderstorm Wind, Stephenson
- When
- November 29, 9:30 PM CST
- Where
- Stephenson County
- Coordinates
- 42.280, -89.620
Thunderstorm Wind, Winnebago
- When
- November 29, 9:30 PM CST
- Where
- Winnebago County
- Coordinates
- 42.430, -89.180
Thunderstorm Wind, Williamson
- When
- November 29, 10:00 PM CST
- Where
- Williamson County
- Coordinates
- 37.750, -89.020
Tornado, Mason
- When
- November 29, 10:20 PM CST
- Where
- Mason County
- Rating
- F2
- Path length
- 18.6 mi
- Path width
- 33 yd
- Property damage
- $250,000
- Coordinates
- 40.250, -90.020
Thunderstorm Wind, Winnebago
- When
- November 29, 10:30 PM CST
- Where
- Winnebago County
- Coordinates
- 42.200, -89.100
Thunderstorm Wind, Sangamon
- When
- November 29, 10:56 PM CST
- Where
- Sangamon County
- Measured
- 66 kt (76 mph)
- Coordinates
- 39.850, -89.680
Tornado, Logan
- When
- November 29, 11:16 PM CST
- Where
- Logan County
- Rating
- F1
- Path width
- 33 yd
- Injuries
- 1 direct, 0 indirect
- Property damage
- $25,000
- Coordinates
- 40.020, -89.480
Tornado, Sangamon
- When
- November 29, 11:20 PM CST
- Where
- Sangamon County
- Rating
- F1
- Path length
- 4.3 mi
- Path width
- 200 yd
- Injuries
- 1 direct, 0 indirect
- Property damage
- $250,000
- Coordinates
- 39.570, -89.670
What these are
- 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.
- Tornado
- A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Tornadoes and Hail in Missouri, November 29, 1975
- Tornado and Hail in Kansas, November 29, 1975
- Hail and Damaging Winds in Oklahoma, November 29, 1975
- Hail and Damaging Wind in Nebraska, November 29, 1975
- Damaging Winds in Iowa, November 29, 1975
- Damaging Wind in Wisconsin, November 29, 1975
- Damaging Wind in Arkansas, November 29, 1975
More
Every storm in Illinois in 1975Every state in 1975This day in weather historyThe tornado archive for Illinois, 1975
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: 10009204, 10009205, 10009206, 10009207, 10009208, 10009209, 10009210, 10009211, 10009212.