Alert archive / Illinois / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 319, NWS Lincoln, IL

July 4, 2026Christian County, Macon County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jul 4, 2026, 3:18 PM CDT for Christian County, Macon County, Illinois. It was in force for 19 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 4, 2026, 3:18 PM CDT (20:18 UTC)
Expired: Jul 4, 2026, 3:37 PM CDT
In force: 19 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Christian County, IL, Macon County, IL

The radar

The Lincoln radar (KILX), 53 km from the middle of the area, began a volume at 20:18 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 4, 12:33 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 8.3 hours before the alert went out and 67 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: 1075 J/kg
Mixed-layer CIN: -92 J/kg
Mixed-layer LCL: 1043 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 126 m²/s²
0-3 km storm-relative helicity: 88 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.2

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jul 4, 2:57 PM CDT, 21 minutes earlier.

Area forecast discussion, Jul 4, 2:57 PM CDT, 21 minutes before

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Hazardous weather outlook, Jul 4, 3:16 PM CDT, 2 minutes before

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In the hours before

Local storm report, Jul 4, 9:57 AM CDT, 5 hours 21 minutes before

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Special weather statement, Jul 4, 12:37 PM CDT, 2 hours 41 minutes before

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Local storm report, Jul 4, 12:59 PM CDT, 2 hours 19 minutes before

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Special weather statement, Jul 4, 1:03 PM CDT, 2 hours 15 minutes before

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Special weather statement, Jul 4, 2:02 PM CDT, 1 hour 16 minutes before

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Special weather statement, Jul 4, 2:58 PM CDT, 20 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 3, 10:33 PM CDT	Severe Thunderstorm Warning	ILX	Sangamon	42 min
Jul 3, 11:05 PM CDT	Severe Thunderstorm Warning	ILX	Logan, Menard	40 min
Jul 3, 11:57 PM CDT	Severe Thunderstorm Warning	ILX	Macon, Moultrie, Shelby	40 min
Jul 4, 12:37 PM CDT	Special Weather Statement	ILX	Piatt	23 min
Jul 4, 1:03 PM CDT	Special Weather Statement	ILX	Piatt	27 min
Jul 4, 2:02 PM CDT	Special Weather Statement	ILX	Logan	28 min
Jul 4, 2:16 PM CDT	Severe Thunderstorm Warning	ILX	DeWitt, Logan	29 min
Jul 4, 2:27 PM CDT	Severe Thunderstorm Warning	ILX	Vermilion	63 min
Jul 4, 2:58 PM CDT	Special Weather Statement	ILX	Woodford	47 min
Jul 4, 3:05 PM CDT	Severe Thunderstorm Warning	ILX	McLean, Woodford	40 min
Jul 4, 3:32 PM CDT	Special Weather Statement	ILX	McLean	43 min
Jul 4, 3:49 PM CDT	Areal Flood Advisory	ILX	Vermilion	3 hr
Jul 4, 4:41 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Douglas	27 min
Jul 4, 6:40 PM CDT	Special Weather Statement	ILX	Clark	35 min
Jul 4, 3:48 PM CDT	Special Weather Statement	ILX	Vermillion	27 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2026 Every severe thunderstorm warning 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.