Alert archive / Missouri / Wind Advisories in 2025

Wind Advisory 7, NWS St. Louis, MO

December 18, 202529 counties in Missouri; 17 counties in Illinois

NWS St. Louis, MO issued this wind advisory at Dec 18, 2025, 1:56 AM CST for 29 counties in Missouri; 17 counties in Illinois. It took effect at Dec 18, 2025, 10:00 AM CST. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Dec 18, 2025, 1:56 AM CST (07:56 UTC)
In effect from
Dec 18, 2025, 10:00 AM CST
Expired
Dec 19, 2025, 12:00 AM CST
In force
14 hr
Issued by
NWS St. Louis, MO
All 46 counties

Adams County, IL, Bond County, IL, Brown County, IL, Calhoun County, IL, Clinton County, IL, Fayette County, IL, Greene County, IL, Jersey County, IL, Macoupin County, IL, Madison County, IL, Marion County, IL, Monroe County, IL, Montgomery County, IL, Pike County, IL, Randolph County, IL, Saint Clair County, IL, Washington County, IL, Audrain County, MO, Boone County, MO, Callaway County, MO, City of Saint Louis, MO, Cole County, MO, Crawford County, MO, Franklin County, MO, Gasconade County, MO, Iron County, MO, Jefferson County, MO, Knox County, MO, Lewis County, MO, Lincoln County, MO, Madison County, MO, Marion County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Osage County, MO, Pike County, MO, Ralls County, MO, Reynolds County, MO, Saint Charles County, MO, Saint Francois County, MO, Saint Louis County, MO, Sainte Genevieve County, MO, Shelby County, MO, Warren County, MO, Washington County, MO

The radar

The St Louis radar (KLSX), 18 km from the middle of the area, began a volume at 07:56 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 00:00Z, 7.9 hours before the alert went out and 241 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 00:00Z on 2025-12-18Temperature 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 00:00Z on 2025-12-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 113 square meters per square second.19395878Sfc1 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
2360 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
113 m²/s²
0-3 km storm-relative helicity
191 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

200 
WWUS73 KLSX 180756
NPWLSX

URGENT - WEATHER MESSAGE
National Weather Service St Louis MO
156 AM CST Thu Dec 18 2025

ILZ095-096-MOZ018-019-026-027-034-182300-
/O.NEW.KLSX.WI.Y.0007.251218T2100Z-251219T0600Z/
Adams IL-Brown IL-Knox MO-Lewis MO-Shelby MO-Marion MO-Monroe MO-
Including the cities of Quincy, Mount Sterling, and Hannibal
156 AM CST Thu Dec 18 2025

...WIND ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO MIDNIGHT CST
TONIGHT...

* WHAT...Northwest winds 20 to 25 mph with gusts up to 45 mph
  expected.

* WHERE...In Illinois, Adams IL and Brown IL Counties. In Missouri,
  Knox MO, Lewis MO, Marion MO, Monroe MO, and Shelby MO Counties.

* WHEN...From 3 PM this afternoon to midnight CST tonight.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree
  limbs and lawn decorations 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.

&&

$$

Kimble
2 follow-up statements
433 
WWUS73 KLSX 181558
NPWLSX

URGENT - WEATHER MESSAGE
National Weather Service St Louis MO
958 AM CST Thu Dec 18 2025

ILZ058>060-064-065-069-070-074-079-097>102-MOZ035-036-041-042-
047>052-059>065-072>075-084-085-099-190600-
/O.EXB.KLSX.WI.Y.0007.251218T1600Z-251219T0600Z/
Greene IL-Macoupin IL-Montgomery IL-Bond IL-Fayette IL-Clinton IL-
Marion IL-Washington IL-Randolph IL-Pike IL-Calhoun IL-Jersey IL-
Madison IL-Saint Clair IL-Monroe IL-Ralls MO-Pike MO-Boone MO-
Audrain MO-Moniteau MO-Cole MO-Osage MO-Callaway MO-Montgomery MO-
Lincoln MO-Gasconade MO-Warren MO-Saint Charles MO-Franklin MO-
Saint Louis MO-Saint Louis City MO-Jefferson MO-Crawford MO-
Washington MO-Saint Francois MO-Sainte Genevieve MO-Iron MO-
Madison MO-Reynolds MO-
Including the cities of Bowling Green, Fulton, Vandalia, Saint
Charles, Pittsfield, Sparta, Saint Louis, Jefferson City, Cahokia,
Columbia, Centralia, Mexico, Belleville, Farmington, Sullivan,
Edwardsville, Salem, Litchfield, Chester, Washington, Alton, and
Union
958 AM CST Thu Dec 18 2025

...WIND ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

* WHAT...West winds 20 mph with gusts up to 50 mph expected.

* WHERE...Portions of south central, southwest, and west central
  Illinois and central, east central, northeast, and southeast
  Missouri.

* WHEN...Until midnight CST tonight.

* 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.

&&

$$

ILZ095-096-MOZ018-019-026-027-034-190600-
/O.EXT.KLSX.WI.Y.0007.251218T1600Z-251219T0600Z/
Adams IL-Brown IL-Knox MO-Lewis MO-Shelby MO-Marion MO-Monroe MO-
Including the cities of Hannibal, Quincy, and Mount Sterling
958 AM CST Thu Dec 18 2025

...WIND ADVISORY NOW IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

* WHAT...West winds 20 mph with gusts up to 50 mph expected.

* WHERE...In Illinois, Adams IL and Brown IL Counties. In Missouri,
  Knox MO, Lewis MO, Marion MO, Monroe MO, and Shelby MO Counties.

* WHEN...Until midnight CST tonight.

* 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.

&&

$$

Elmore
775 
WWUS73 KLSX 190616
NPWLSX

URGENT - WEATHER MESSAGE
National Weather Service St Louis MO
1216 AM CST Fri Dec 19 2025

ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027-
034>036-041-042-047>052-059>065-072>075-084-085-099-190730-
/O.EXP.KLSX.WI.Y.0007.000000T0000Z-251219T0600Z/
Greene IL-Macoupin IL-Montgomery IL-Bond IL-Fayette IL-Clinton IL-
Marion IL-Washington IL-Randolph IL-Adams IL-Brown IL-Pike IL-
Calhoun IL-Jersey IL-Madison IL-Saint Clair IL-Monroe IL-Knox MO-
Lewis MO-Shelby MO-Marion MO-Monroe MO-Ralls MO-Pike MO-Boone MO-
Audrain MO-Moniteau MO-Cole MO-Osage MO-Callaway MO-Montgomery MO-
Lincoln MO-Gasconade MO-Warren MO-Saint Charles MO-Franklin MO-
Saint Louis MO-Saint Louis City MO-Jefferson MO-Crawford MO-
Washington MO-Saint Francois MO-Sainte Genevieve MO-Iron MO-
Madison MO-Reynolds MO-
Including the cities of Washington, Hannibal, Vandalia, Columbia,
Jefferson City, Union, Salem, Saint Louis, Belleville, Saint Charles,
Alton, Cahokia, Pittsfield, Edwardsville, Bowling Green, Chester,
Fulton, Quincy, Centralia, Sullivan, Mount Sterling, Mexico,
Litchfield, Farmington, and Sparta
1216 AM CST Fri Dec 19 2025

...WIND ADVISORY HAS EXPIRED...

While wind gusts of 25 to 35 mph continue to be observed, wind speeds
have weakened enough to allow the Wind Advisory to expire.

$$

19

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 18, 10:00 AM CSTSevere Thunderstorm WarningLSXLincoln, Montgomery13 min
Dec 18, 10:10 AM CSTSevere Thunderstorm WarningLSXLincoln, Pike35 min
Dec 18, 10:12 AM CSTTornado WarningLSXLincoln48 min
Dec 18, 10:16 AM CSTSevere Thunderstorm WarningLSXLincoln, Saint Charles, Warren29 min
Dec 18, 10:35 AM CSTSevere Thunderstorm WarningLSXGreene, Jersey55 min
Dec 18, 11:13 AM CSTSevere Thunderstorm WarningLSXMacoupin62 min
Dec 18, 11:59 AM CSTSevere Thunderstorm WarningLSXMadison, Saint Clair46 min

Nearby

Wind Advisories in Missouri, 2025Wind Advisories in Illinois, 2025Every 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.