Alert archive / Illinois / Dust Storm Warnings in 2026

Dust Storm Warning 9, NWS Lincoln, IL

May 12, 2026DeWitt County, Illinois

NWS Lincoln, IL issued this dust storm warning at May 12, 2026, 3:55 PM CDT for DeWitt County, Illinois. It was in force for 65 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
May 12, 2026, 3:55 PM CDT (20:55 UTC)
Expired
May 12, 2026, 5:00 PM CDT
In force
65 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon

County DeWitt County, IL

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 8.9 hours before the alert went out and 26 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-pSkew-T log-p diagram, Lincoln, IL at 12:00Z on 2026-05-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2026-05-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 382 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1934 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
382 m²/s²
0-3 km storm-relative helicity
474 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
May 12, 1:43 AM CDTBlowing Dust AdvisoryILXCass, Champaign, Christian, Coles, DeWitt, Douglas and 21 more17 hr

Nearby

Dust Storm Warnings in Illinois, 2026Every dust storm 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.