Alert archive / Illinois / Flood Watches in 2026
Flood Watch 13, NWS Lincoln, IL
NWS Lincoln, IL issued this flood watch at Aug 13, 2026, 2:02 AM CDT for 19 counties in Illinois. It took effect at Aug 13, 2026, 10:00 AM CDT. It was in force for 28 hr.
The area
The counties it named.
The facts
- Issued
- Aug 13, 2026, 2:02 AM CDT (07:02 UTC)
- In effect from
- Aug 13, 2026, 10:00 AM CDT
- Expired
- Aug 14, 2026, 1:49 PM CDT
- In force
- 28 hr
- Issued by
- NWS Lincoln, IL
- Flood severity
- None
Counties Champaign County, IL, Clark County, IL, Coles County, IL, Cumberland County, IL, DeWitt County, IL, Douglas County, IL, Edgar County, IL, Knox County, IL, Logan County, IL, Macon County, IL, Marshall County, IL, McLean County, IL, Moultrie County, IL, Peoria County, IL, Piatt County, IL, Stark County, IL, Tazewell County, IL, Vermilion County, IL, Woodford County, IL
The radar
The Lincoln radar (KILX), 45 km from the middle of the area, began a volume at 07:04 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
Lincoln, IL (KILX), launched 00:00Z, 7.0 hours before the alert went out and 18 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
- 366 J/kg
- Mixed-layer CIN
- -161 J/kg
- Mixed-layer LCL
- 928 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 191 m²/s²
- 0-3 km storm-relative helicity
- 279 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 9.7
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 Aug 13, 12:38 AM CDT, 1 hour 24 minutes earlier.
Area forecast discussion, Aug 13, 12:38 AM CDT, 1 hour 24 minutes before
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</html>The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 12:32 AM CDT | Heat Advisory | ILX | Christian, Clark, Clay, Crawford, Cumberland, Effingham and 7 more | 4 days |
| Aug 13, 2:29 AM CDT | Dense Fog Advisory | ILX | Champaign, DeWitt, Douglas, Edgar, Fulton, Knox and 11 more | 7 hr |
| Aug 13, 11:08 AM CDT | Special Weather Statement | ILX | Knox | 52 min |
| Aug 13, 12:00 PM CDT | Special Weather Statement | ILX | Fulton, Knox, Marshall, Peoria, Stark, Tazewell | 45 min |
| Aug 13, 12:09 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Logan, Mason, Peoria, Tazewell | 66 min |
| Aug 13, 12:31 PM CDT | Severe Thunderstorm Warning | ILX | McLean, Peoria, Tazewell, Woodford | 44 min |
| Aug 13, 12:50 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Logan, McLean, Macon, Woodford | 55 min |
| Aug 13, 1:25 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, DeWitt, McLean, Piatt, Vermilion | 65 min |
| Aug 13, 1:34 PM CDT | Areal Flood Advisory | ILX | McLean, Woodford | 2 hr |
| Aug 13, 1:56 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Douglas, Edgar, Piatt, Vermilion | 64 min |
| Aug 13, 2:10 PM CDT | Flash Flood Warning | ILX | Champaign, DeWitt, McLean, Piatt | 2 hr |
| Aug 13, 2:22 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 39 min |
| Aug 13, 2:47 PM CDT | Flash Flood Warning | ILX | Champaign, Vermilion | 2 hr |
| Aug 13, 2:59 PM CDT | Severe Thunderstorm Warning | ILX | Edgar, Vermilion | 22 min |
| Aug 13, 5:10 PM CDT | Severe Thunderstorm Warning | ILX | Crawford | 37 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.