Alert archive / Illinois / Flood Watches in 2025

Flood Watch 5, NWS Lincoln, IL

July 25, 2025Knox County, Marshall County, Stark County, Illinois

NWS Lincoln, IL issued this flood watch at Jul 25, 2025, 1:26 PM CDT for Knox County, Marshall County, Stark County, Illinois. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued: Jul 25, 2025, 1:26 PM CDT (18:26 UTC)
Expired: Jul 26, 2025, 1:37 PM CDT
In force: 24 hr
Issued by: NWS Lincoln, IL
Flood severity: None

Counties Knox County, IL, Marshall County, IL, Stark County, IL

The radar

The Quad Cities radar (KDVN), 94 km from the middle of the area, began a volume at 18:27 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 12:00Z, 6.4 hours before the alert went out and 90 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: 95 J/kg
Mixed-layer CIN: -26 J/kg
Mixed-layer LCL: 833 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: -2 m²/s²
0-3 km storm-relative helicity: 31 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 Jul 25, 12:55 PM CDT, 31 minutes earlier.

Area forecast discussion, Jul 25, 12:55 PM CDT, 31 minutes before

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Hazardous weather outlook, Jul 25, 4:57 AM CDT, 8 hours 29 minutes before

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In the hours before

Local storm report, Jul 25, 10:43 AM CDT, 2 hours 43 minutes before

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Local storm report, Jul 25, 10:46 AM CDT, 2 hours 40 minutes before

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Local storm report, Jul 25, 10:53 AM CDT, 2 hours 33 minutes before

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Local storm report, Jul 25, 10:54 AM CDT, 2 hours 32 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
Jul 24, 8:52 PM CDT	Special Weather Statement	ILX	Jasper	23 min
Jul 25, 4:35 PM CDT	Special Weather Statement	ILX	Cumberland	25 min
Jul 25, 6:39 PM CDT	Special Weather Statement	ILX	Knox	36 min
Jul 25, 6:47 PM CDT	Flash Flood Warning	ILX	Knox	3 hr

Nearby

Flood Watches in Illinois, 2025 Every flood watch in 2025

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.