Alert archive / Illinois / Flood Watches in 2025
Flood Watch 4, NWS Lincoln, IL
NWS Lincoln, IL issued this flood watch at Jul 20, 2025, 1:45 AM CDT for 35 counties in Illinois. It took effect at Jul 20, 2025, 2:00 AM CDT. It was in force for 29 hr.
The area
The counties it named.
The facts
- Issued
- Jul 20, 2025, 1:45 AM CDT (06:45 UTC)
- In effect from
- Jul 20, 2025, 2:00 AM CDT
- Expired
- Jul 21, 2025, 7:26 AM CDT
- In force
- 29 hr
- Issued by
- NWS Lincoln, IL
- Flood severity
- None
All 35 counties
Cass County, IL, Champaign County, IL, Christian County, IL, Clark County, IL, Clay County, IL, Coles County, IL, Crawford County, IL, Cumberland County, IL, DeWitt County, IL, Douglas County, IL, Edgar County, IL, Effingham County, IL, Fulton County, IL, Jasper County, IL, Knox County, IL, Lawrence County, IL, Logan County, IL, Macon County, IL, Marshall County, IL, Mason County, IL, McLean County, IL, Menard County, IL, Morgan County, IL, Moultrie County, IL, Peoria County, IL, Piatt County, IL, Richland County, IL, Sangamon County, IL, Schuyler County, IL, Scott County, IL, Shelby County, IL, Stark County, IL, Tazewell County, IL, Vermilion County, IL, Woodford County, IL
The radar
The Lincoln radar (KILX), 42 km from the middle of the area, began a volume at 06:48 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 6.8 hours before the alert went out and 231 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 783 J/kg
- Mixed-layer CIN
- -125 J/kg
- Mixed-layer LCL
- 1060 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 111 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
What forecasters said that day
The local office's own words before this flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Lincoln, IL wrote its last area forecast discussion before this flood watch went out at Jul 20, 12:36 AM CDT, 1 hour 9 minutes earlier.
Area forecast discussion, Jul 20, 12:36 AM CDT, 1 hour 9 minutes before
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</html>Hazardous weather outlook, Jul 19, 3:09 PM CDT, 10 hours 36 minutes before
Hazardous Weather Outlook National Weather Service Lincoln IL 309 PM CDT Sat Jul 19 2025 ILZ027>031-036>038-201100- Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean- 309 PM CDT Sat Jul 19 2025 This Hazardous Weather Outlook is for central Illinois and west central Illinois. .DAY ONE...Tonight. A few thunderstorms are possible this evening, but are more likely after midnight. While the severe weather threat is low, very heavy rain may cause localized flooding. .DAYS TWO THROUGH SEVEN...Sunday through Friday. Periods of thunderstorms will continue through Monday. A few storms could be severe on Sunday, but the main concern will be with heavy rainfall causing localized flooding. Oppressive heat will build across the region starting Tuesday afternoon, and will persist through the rest of the work week. Heat indices are expected to peak in the 105 to 115 degree range on Wednesday and Thursday. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated tonight. ILZ040>057-061-201100- Schuyler-Mason-Logan-De Witt-Piatt-Champaign-Vermilion-Cass-Menard- Scott-Morgan-Sangamon-Christian-Macon-Moultrie-Douglas-Coles-Edgar- Shelby- 309 PM CDT Sat Jul 19 2025 This Hazardous Weather Outlook is for central Illinois, east central Illinois and west central Illinois. .DAY ONE...Tonight. A few thunderstorms are possible after midnight, mainly north of I-72 and Danville. Severe weather is not expected. .DAYS TWO THROUGH SEVEN...Sunday through Friday. Periods of thunderstorms will continue through Monday. A few storms could be severe on Sunday, but the main concern will be with heavy rainfall causing localized flooding, especially Sunday night. Oppressive heat will build across the region starting Tuesday afternoon, and will persist through the rest of the work week. Heat indices are expected to peak in the 105 to 115 degree range on Wednesday and Thursday. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated tonight. ILZ062-063-066>068-071>073-201100- Cumberland-Clark-Effingham-Jasper-Crawford-Clay-Richland-Lawrence- 309 PM CDT Sat Jul 19 2025 This Hazardous Weather Outlook is for southeast Illinois. .DAY ONE...Tonight. Areas of flooding will linger into early evening, mainly along highway 50. .DAYS TWO THROUGH SEVEN...Sunday through Friday. A few thunderstorms are possible during the day on Sunday, but are more likely Sunday night and Monday. A few storms may be strong to severe. Areas of heavy rain may cause additional flash flooding. Oppressive heat will build across the region starting Tuesday afternoon, and will persist through the rest of the work week. Heat indices are expected to peak in the 105 to 115 degree range on Wednesday and Thursday. Flooding on the Little Wabash River near Clay City will continue into early Thursday. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated tonight. Geelhart
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 5:21 AM CDT | Special Weather Statement | ILX | Stark | 24 min |
| Jul 20, 5:53 AM CDT | Special Weather Statement | ILX | Marshall, Woodford | 22 min |
| Jul 20, 6:18 AM CDT | Special Weather Statement | ILX | Woodford | 27 min |
| Jul 20, 6:47 AM CDT | Special Weather Statement | ILX | McLean | 13 min |
| Jul 20, 7:11 AM CDT | Special Weather Statement | ILX | Ford | 19 min |
| Jul 20, 4:39 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Moultrie, Shelby | 66 min |
| Jul 20, 5:00 PM CDT | Tornado Warning | ILX | Shelby | 15 min |
| Jul 20, 5:40 PM CDT | Severe Thunderstorm Warning | ILX | Effingham, Shelby | 50 min |
| Jul 20, 5:46 PM CDT | Severe Thunderstorm Warning | ILX | Cumberland, Effingham, Jasper, Shelby | 29 min |
| Jul 20, 5:49 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Coles, Cumberland | 26 min |
| Jul 20, 5:52 PM CDT | Severe Thunderstorm Warning | ILX | Coles, Cumberland | 23 min |
| Jul 20, 6:14 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Crawford, Cumberland, Jasper | 61 min |
| Jul 20, 6:40 PM CDT | Severe Thunderstorm Warning | ILX | Shelby | 35 min |
| Jul 20, 6:41 PM CDT | Severe Thunderstorm Warning | ILX | Christian | 21 min |
| Jul 20, 6:52 PM CDT | Severe Thunderstorm Warning | ILX | Effingham, Shelby | 23 min |
| Jul 20, 6:57 PM CDT | Tornado Warning | ILX | Effingham, Shelby | 16 min |
Nearby
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.