Alert archive / Illinois / Flood Watches in 2026

Flood Watch 7, NWS Lincoln, IL

June 10, 202617 counties in Illinois

NWS Lincoln, IL issued this flood watch at Jun 10, 2026, 11:05 AM CDT for 17 counties in Illinois. It took effect at Jun 10, 2026, 1:00 PM CDT. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued: Jun 10, 2026, 11:05 AM CDT (16:05 UTC)
In effect from: Jun 10, 2026, 1:00 PM CDT
Expired: Jun 11, 2026, 4:17 AM CDT
In force: 15 hr
Issued by: NWS Lincoln, IL
Flood severity: None

Counties Cass County, IL, DeWitt County, IL, Fulton County, IL, Knox County, IL, Logan County, IL, Marshall County, IL, Mason County, IL, McLean County, IL, Menard County, IL, Morgan County, IL, Peoria County, IL, Sangamon County, IL, Schuyler County, IL, Scott County, IL, Stark County, IL, Tazewell County, IL, Woodford County, IL

The radar

The Lincoln radar (KILX), 43 km from the middle of the area, began a volume at 16:07 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 12:00Z, 4.1 hours before the alert went out and 102 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1372 J/kg
Mixed-layer CIN: -173 J/kg
Mixed-layer LCL: 1070 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 26 m²/s²
0-3 km storm-relative helicity: -58 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 Jun 10, 6:13 AM CDT, 4 hours 52 minutes earlier.

Area forecast discussion, Jun 10, 6:13 AM CDT, 4 hours 52 minutes before

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Hazardous weather outlook, Jun 10, 5:11 AM CDT, 5 hours 54 minutes before

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The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 10, 1:34 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Knox, Mason, Peoria, Tazewell	26 min
Jun 10, 2:03 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Fulton, Mason, Menard, Schuyler	27 min
Jun 10, 2:11 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Marshall, Mason, Peoria, Stark, Tazewell and 1 more	49 min
Jun 10, 2:27 PM CDT	Severe Thunderstorm Warning	ILX	Logan, Mason, Tazewell	33 min
Jun 10, 2:35 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ILX	Marshall, Peoria, Tazewell, Woodford	40 min
Jun 10, 3:00 PM CDT	Severe Thunderstorm Warning	ILX	Logan, McLean, Mason, Menard, Sangamon, Tazewell	30 min
Jun 10, 3:06 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Morgan, Sangamon, Scott	39 min
Jun 10, 3:14 PM CDT	Severe Thunderstorm Warning	ILX	McLean, Marshall, Tazewell, Woodford	46 min
Jun 10, 3:31 PM CDT	Severe Thunderstorm Warning	ILX	DeWitt, Logan, McLean, Macon, Menard, Sangamon and 1 more	29 min
Jun 10, 3:59 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, DeWitt, McLean, Piatt	46 min
Jun 10, 5:01 PM CDT	Severe Thunderstorm Warning	ILX	Christian	29 min
Jun 10, 5:15 PM CDT	Severe Thunderstorm Warning	ILX	Christian	14 min

Nearby

Flood Watches in Illinois, 2026 Every flood watch in 2026

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.