Heat, Alexander
- When
- December 1, 12:01 AM CST to December 8, 12:01 AM CST
- Where
- Alexander forecast zone
- Reported by
- OFFICIAL NWS OBS.
- Coordinates
- 37.192, -89.338 (the zone’s center; the record gives no point)
Heat in Illinois, December 1 to 8, 1998
Temperatures averaged 20 to 30 degrees above normal during the first week of the month. Highs were around 70 most of the week.
Where it happened
Every event with a place to put it; 19 filed by county or forecast zone are drawn at its center, in a lighter ring. 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
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 19
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.
What happened
The episode as NWS PAH wrote it up.
Temperatures averaged 20 to 30 degrees above normal during the first week of the month. Highs were around 70 most of the week. The heating industry reported some loss of revenue as a result of the weather. A gas company reported the average customer's bill was down 27 percent from the same time last year. Other businesses, such as the outdoor construction industry, benefited from the extended period of warmer weather.
The radar
The national radar mosaic for the moment the first event began.
Event by event
19 heat. Local standard time, as filed.
Heat, Edwards
- When
- December 1, 12:01 AM CST to December 8, 12:01 AM CST
- Where
- Edwards forecast zone
- Reported by
- OFFICIAL NWS OBS.
- Coordinates
- 38.417, -88.053 (the zone’s center; the record gives no point)
Heat, Franklin
- When
- December 1, 12:01 AM CST to December 8, 12:01 AM CST
- Where
- Franklin forecast zone
- Reported by
- OFFICIAL NWS OBS.
- Coordinates
- 37.992, -88.924 (the zone’s center; the record gives no point)
Heat, Gallatin
- When
- December 1, 12:01 AM CST to December 8, 12:01 AM CST
- Where
- Gallatin forecast zone
- Reported by
- OFFICIAL NWS OBS.
- Coordinates
- 37.763, -88.230 (the zone’s center; the record gives no point)
Heat, Hamilton
- When
- December 1, 12:01 AM CST to December 8, 12:01 AM CST
- Where
- Hamilton forecast zone
- Reported by
- OFFICIAL NWS OBS.
- Coordinates
- 38.082, -88.539 (the zone’s center; the record gives no point)
Heat, Hardin
- When
- December 1, 12:01 AM CST to December 8, 12:01 AM CST
- Where
- Hardin forecast zone
- Reported by
- OFFICIAL NWS OBS.
- Coordinates
- 37.518, -88.267 (the zone’s center; the record gives no point)
Heat, Jackson
- When
- December 1, 12:01 AM CST to December 8, 12:01 AM CST
- Where
- Jackson forecast zone
- Reported by
- OFFICIAL NWS OBS.
- Coordinates
- 37.785, -89.382 (the zone’s center; the record gives no point)
Heat, Jefferson
- When
- December 1, 12:01 AM CST to December 8, 12:01 AM CST
- Where
- Jefferson forecast zone
- Reported by
- OFFICIAL NWS OBS.
- Coordinates
- 38.301, -88.924 (the zone’s center; the record gives no point)
Heat, Johnson
- When
- December 1, 12:01 AM CST to December 8, 12:01 AM CST
- Where
- Johnson forecast zone
- Reported by
- OFFICIAL NWS OBS.
- Coordinates
- 37.460, -88.881 (the zone’s center; the record gives no point)
Heat, Massac
- When
- December 1, 12:01 AM CST to December 8, 12:01 AM CST
- Where
- Massac forecast zone
- Reported by
- OFFICIAL NWS OBS.
- Coordinates
- 37.219, -88.708 (the zone’s center; the record gives no point)
Heat, Perry
- When
- December 1, 12:01 AM CST to December 8, 12:01 AM CST
- Where
- Perry forecast zone
- Reported by
- OFFICIAL NWS OBS.
- Coordinates
- 38.084, -89.367 (the zone’s center; the record gives no point)
Heat, Pope
- When
- December 1, 12:01 AM CST to December 8, 12:01 AM CST
- Where
- Pope forecast zone
- Reported by
- OFFICIAL NWS OBS.
- Coordinates
- 37.413, -88.562 (the zone’s center; the record gives no point)
Heat, Pulaski
- When
- December 1, 12:01 AM CST to December 8, 12:01 AM CST
- Where
- Pulaski forecast zone
- Reported by
- OFFICIAL NWS OBS.
- Coordinates
- 37.223, -89.127 (the zone’s center; the record gives no point)
Heat, Saline
- When
- December 1, 12:01 AM CST to December 8, 12:01 AM CST
- Where
- Saline forecast zone
- Reported by
- OFFICIAL NWS OBS.
- Coordinates
- 37.753, -88.541 (the zone’s center; the record gives no point)
Heat, Union
- When
- December 1, 12:01 AM CST to December 8, 12:01 AM CST
- Where
- Union forecast zone
- Reported by
- OFFICIAL NWS OBS.
- Coordinates
- 37.471, -89.255 (the zone’s center; the record gives no point)
Heat, Wabash
- When
- December 1, 12:01 AM CST to December 8, 12:01 AM CST
- Where
- Wabash forecast zone
- Reported by
- OFFICIAL NWS OBS.
- Coordinates
- 38.446, -87.844 (the zone’s center; the record gives no point)
Heat, Wayne
- When
- December 1, 12:01 AM CST to December 8, 12:01 AM CST
- Where
- Wayne forecast zone
- Reported by
- OFFICIAL NWS OBS.
- Coordinates
- 38.430, -88.426 (the zone’s center; the record gives no point)
Heat, White
- When
- December 1, 12:01 AM CST to December 8, 12:01 AM CST
- Where
- White forecast zone
- Reported by
- OFFICIAL NWS OBS.
- Coordinates
- 38.088, -88.180 (the zone’s center; the record gives no point)
Heat, Williamson
- When
- December 1, 12:01 AM CST to December 8, 12:01 AM CST
- Where
- Williamson forecast zone
- Reported by
- OFFICIAL NWS OBS.
- Coordinates
- 37.730, -88.930 (the zone’s center; the record gives no point)
What these are
- Heat
- Heat below excessive heat criteria that still caused deaths, injuries or significant impacts.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Drought in Texas, December 1 to 31, 1998
- Drought in Texas, December 1 to 31, 1998
- Drought in New Mexico, December 1 to 31, 1998
- Flash Flooding and Heavy Snow in Washington, December 1 to 29, 1998
- Heavy Rain in California, December 1, 1998
- High Wind and Strong Wind in Massachusetts, December 1, 1998
- Drought in Virginia, December 1 to 31, 1998
- Heat in Kentucky, December 1 to 7, 1998
- Drought in New Mexico, December 1 to 31, 1998
- Heat in New Jersey, December 1 to 7, 1998
- Heat in Wisconsin, December 1 to 6, 1998
- Storm Surge in California, December 1 to 5, 1998
More
Every storm in Illinois in 1998Every state in 1998This day in weather historyWarnings in Illinois, December 1998
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: 5674998, 5674999, 5675000, 5675001, 5675002, 5675003, 5675004, 5675005, 5675006, 5675007, 5675008, 5675009, 5675124, 5675125, 5675126, 5675127, 5675128, 5675129, 5675130.