Alert archive / Illinois / Wind Advisories in 2026

Wind Advisory 2, NWS Lincoln, IL

February 17, 202621 counties in Illinois

NWS Lincoln, IL issued this wind advisory at Feb 17, 2026, 1:40 PM CST for 21 counties in Illinois. It took effect at Feb 17, 2026, 7:00 PM CST. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Feb 17, 2026, 1:40 PM CST (19:40 UTC)
In effect from
Feb 17, 2026, 7:00 PM CST
Expired
Feb 18, 2026, 1:00 AM CST
In force
6 hr
Issued by
NWS Lincoln, IL
All 21 counties

Cass County, IL, Champaign County, IL, Christian County, IL, Clark County, IL, Coles County, IL, Cumberland County, IL, DeWitt County, IL, Douglas County, IL, Edgar County, IL, Logan County, IL, Macon County, IL, Mason County, IL, McLean County, IL, Menard County, IL, Morgan County, IL, Moultrie County, IL, Piatt County, IL, Sangamon County, IL, Shelby County, IL, Tazewell County, IL, Woodford County, IL

The radar

The Lincoln radar (KILX), 42 km from the middle of the area, began a volume at 19:41 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, 7.7 hours before the alert went out and 42 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 2026-02-17Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2026-02-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 172 square meters per square second.1939587897Sfc1 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
1668 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
172 m²/s²
0-3 km storm-relative helicity
347 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

456 
WWUS73 KILX 171940
NPWILX

URGENT - WEATHER MESSAGE
National Weather Service Lincoln IL
140 PM CST Tue Feb 17 2026

ILZ031-037-038-041>045-047-048-050>057-061>063-180700-
/O.NEW.KILX.WI.Y.0002.260218T0100Z-260218T0700Z/
Woodford-Tazewell-McLean-Mason-Logan-De Witt-Piatt-Champaign-Cass-
Menard-Morgan-Sangamon-Christian-Macon-Moultrie-Douglas-Coles-
Edgar-Shelby-Cumberland-Clark-
Including the cities of Champaign, Shelbyville, Petersburg,
Monticello, Taylorville, Urbana, Paris, Normal, Marshall,
Jacksonville, Greenup, Sullivan, Tuscola, Decatur, Charleston,
Eureka, Mattoon, Springfield, Pekin, Lincoln, Havana, Beardstown,
Clinton, and Bloomington
140 PM CST Tue Feb 17 2026

...WIND ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 1 AM CST 
WEDNESDAY...

* WHAT...South winds 15 to 25 mph with gusts up to 45 mph expected.  
  A few gusts may exceed 50 mph wherever isolated showers develop 
  later this evening.

* WHERE...Portions of central, east central, and west central 
  Illinois.

* WHEN...From 7 PM this evening to 1 AM CST Wednesday.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high 
profile vehicles. Use extra caution.

&&

$$

MJA
1 follow-up statement
490 
WWUS73 KILX 180652
NPWILX

URGENT - WEATHER MESSAGE
National Weather Service Lincoln IL
1252 AM CST Wed Feb 18 2026

ILZ031-037-038-041>045-047-048-050>057-061>063-180800-
/O.EXP.KILX.WI.Y.0002.000000T0000Z-260218T0700Z/
Woodford-Tazewell-McLean-Mason-Logan-De Witt-Piatt-Champaign-Cass-
Menard-Morgan-Sangamon-Christian-Macon-Moultrie-Douglas-Coles-Edgar-
Shelby-Cumberland-Clark-
Including the cities of Normal, Eureka, Champaign, Shelbyville,
Pekin, Sullivan, Mattoon, Beardstown, Decatur, Urbana, Greenup,
Clinton, Havana, Taylorville, Petersburg, Marshall, Lincoln,
Springfield, Jacksonville, Monticello, Paris, Tuscola, Charleston,
and Bloomington
1252 AM CST Wed Feb 18 2026

...WIND ADVISORY WILL EXPIRE AT 1 AM CST EARLY THIS MORNING...

Wind will continue to gust to 30-40 mph at times into the morning
hours.

$$

Copple

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 17, 1:47 PM CSTFire Weather WatchILXKnox, Marshall, Stark11 hr

Nearby

Wind Advisories in Illinois, 2026Every wind advisory 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.