Alert archive / Illinois / Wind Advisories in 2025

Wind Advisory 4, NWS Chicago, IL

March 4, 202518 counties in Illinois; 5 counties in Indiana

NWS Chicago, IL issued this wind advisory at Mar 4, 2025, 3:06 PM CST for 18 counties in Illinois; 5 counties in Indiana. It took effect at Mar 5, 2025, 11:00 AM CST. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued: Mar 4, 2025, 3:06 PM CST (21:06 UTC)
In effect from: Mar 5, 2025, 11:00 AM CST
Expired: Mar 6, 2025, 12:00 AM CST
In force: 13 hr
Issued by: NWS Chicago, IL

All 23 counties

Boone County, IL, Cook County, IL, DeKalb County, IL, DuPage County, IL, Ford County, IL, Grundy County, IL, Iroquois County, IL, Kane County, IL, Kankakee County, IL, Kendall County, IL, Lake County, IL, LaSalle County, IL, Lee County, IL, Livingston County, IL, McHenry County, IL, Ogle County, IL, Will County, IL, Winnebago County, IL, Benton County, IN, Jasper County, IN, Lake County, IN, Newton County, IN, Porter County, IN

The radar

The Chicago radar (KLOT), 12 km from the middle of the area, began a volume at 21:07 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

Davenport, (KDVN), launched 12:00Z, 9.1 hours before the alert went out and 193 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1096 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 381 m²/s²
0-3 km storm-relative helicity: 385 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 wind advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Chicago, IL wrote its last area forecast discussion before this wind advisory went out at Mar 4, 12:34 PM CST, 2 hours 32 minutes earlier.

Area forecast discussion, Mar 4, 12:34 PM CST, 2 hours 32 minutes before

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Hazardous weather outlook, Mar 4, 3:23 AM CST, 11 hours 43 minutes before

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<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 4, 3:25 AM CST	Gale Watch	LOT		12 hr
Mar 4, 3:25 AM CST	Small Craft Advisory	LOT		27 hr
Mar 4, 3:07 PM CST	Gale Warning	LOT		39 hr
Mar 4, 3:08 PM CST	Lakeshore Flood Advisory	LOT	Lake, Porter	37 hr

Nearby

Wind Advisories in Illinois, 2025 Wind Advisories in Indiana, 2025 Every wind advisory 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.