Alert archive / Iowa / Wind Chill Advisories in 2021

Wind Chill Advisory 5, NWS Quad Cities, IA

February 11, 202121 counties in Iowa; 13 counties in Illinois; Clark County, Scotland County, Missouri

NWS Quad Cities, IA issued this wind chill advisory at Feb 11, 2021, 5:07 PM CST for 21 counties in Iowa; 13 counties in Illinois; Clark County, Scotland County, Missouri. It took effect at Feb 11, 2021, 10:00 PM CST. It was in force for 38 hr.

The area

The counties it named.

The facts

Issued
Feb 11, 2021, 5:07 PM CST (23:07 UTC)
In effect from
Feb 11, 2021, 10:00 PM CST
Expired
Feb 13, 2021, 12:00 PM CST
In force
38 hr
Issued by
NWS Quad Cities, IA
All 36 counties

Benton County, IA, Buchanan County, IA, Cedar County, IA, Clinton County, IA, Delaware County, IA, Des Moines County, IA, Dubuque County, IA, Henry County, IA, Iowa County, IA, Jackson County, IA, Jefferson County, IA, Johnson County, IA, Jones County, IA, Keokuk County, IA, Lee County, IA, Linn County, IA, Louisa County, IA, Muscatine County, IA, Scott County, IA, Van Buren County, IA, Washington County, IA, Bureau County, IL, Carroll County, IL, Hancock County, IL, Henderson County, IL, Henry County, IL, Jo Daviess County, IL, McDonough County, IL, Mercer County, IL, Putnam County, IL, Rock Island County, IL, Stephenson County, IL, Warren County, IL, Whiteside County, IL, Clark County, MO, Scotland County, MO

The radar

The Quad Cities radar (KDVN), 41 km from the middle of the area, began a volume at 23:11 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, 11.1 hours before the alert went out and 47 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, Davenport, at 12:00Z on 2021-02-11Temperature 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, Davenport, at 12:00Z on 2021-02-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -36 square meters per square second.1939587897117136Sfc1 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
1406 m above ground
0-6 km bulk shear
80 kt
0-1 km storm-relative helicity
-36 m²/s²
0-3 km storm-relative helicity
119 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

038 
WWUS43 KDVN 112307
WSWDVN

URGENT - WINTER WEATHER MESSAGE
National Weather Service Quad Cities IA IL
507 PM CST Thu Feb 11 2021

...BITTERLY COLD WIND CHILLS OVERNIGHT INTO FRIDAY...

.Wind chills of 20 to 30 below zero are expected tonight through
Friday morning.

IAZ040-041-051-052-063-064-076-077-087-098-120715-
/O.NEW.KDVN.WC.Y.0005.210212T0400Z-210212T1800Z/
Buchanan-Delaware-Benton-Linn-Iowa-Johnson-Keokuk-Washington-
Jefferson-Van Buren-
Including the cities of Independence, Manchester, Vinton, 
Cedar Rapids, Marengo, Iowa City, Sigourney, Washington, 
Fairfield, and Keosauqua
507 PM CST Thu Feb 11 2021

...WIND CHILL ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO NOON
CST FRIDAY...

* WHAT...Very cold wind chills expected. Wind chills as low as 
  30 below zero.

* WHERE...Portions of east central, northeast and southeast Iowa.

* WHEN...From 10 PM this evening to noon CST Friday.

* IMPACTS...The dangerously cold wind chills could cause 
  frostbite on exposed skin in as little as 10 minutes.



PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$

IAZ042-053-054-065>068-078-088-089-099-ILZ015-024-025-034-MOZ009-
010-120715-
/O.NEW.KDVN.WC.Y.0005.210212T0600Z-210212T1800Z/
Dubuque-Jones-Jackson-Cedar-Clinton-Muscatine-Scott-Louisa-
Henry IA-Des Moines-Lee-Rock Island-Mercer-Henderson-Hancock-
Scotland-Clark-
Including the cities of Dubuque, Anamosa, Maquoketa, Tipton, 
Clinton, Muscatine, Davenport, Bettendorf, Wapello, 
Mount Pleasant, Burlington, Fort Madison, Moline, Rock Island, 
Aledo, Oquawka, Carthage, Memphis, and Kahoka
507 PM CST Thu Feb 11 2021

...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO NOON
CST FRIDAY...

* WHAT...Very cold wind chills expected. Wind chills as low as 
  30 below zero.

* WHERE...Portions of northeast Missouri, east central, 
  northeast and southeast Iowa and northwest and west central 
  Illinois.

* WHEN...From midnight tonight to noon CST Friday.

* IMPACTS...The cold wind chills could cause frostbite on 
  exposed skin in as little as 30 minutes.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$

www.weather.gov/dvn
7 follow-up statements
943 
WWUS43 KDVN 120402
WSWDVN

URGENT - WINTER WEATHER MESSAGE
National Weather Service Quad Cities IA IL
1002 PM CST Thu Feb 11 2021

...BITTERLY COLD WIND CHILLS OVERNIGHT INTO FRIDAY...

.Wind chills of 20 to 30 below zero are expected tonight through
Friday morning.

IAZ040-041-051-052-063-064-076-077-087-098-121215-
/O.CON.KDVN.WC.Y.0005.000000T0000Z-210212T1800Z/
Buchanan-Delaware-Benton-Linn-Iowa-Johnson-Keokuk-Washington-
Jefferson-Van Buren-
Including the cities of Independence, Manchester, Vinton, 
Cedar Rapids, Marengo, Iowa City, Sigourney, Washington, 
Fairfield, and Keosauqua
1002 PM CST Thu Feb 11 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST FRIDAY...

* WHAT...Very cold wind chills expected. Wind chills as low as 
  30 below zero.

* WHERE...Portions of east central, northeast and southeast Iowa.

* WHEN...From 10 PM this evening to noon CST Friday.

* IMPACTS...The dangerously cold wind chills could cause 
  frostbite on exposed skin in as little as 20 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$

IAZ042-053-054-065>068-078-088-089-099-ILZ015-024-025-034-MOZ009-
010-121215-
/O.CON.KDVN.WC.Y.0005.210212T0600Z-210212T1800Z/
Dubuque-Jones-Jackson-Cedar-Clinton-Muscatine-Scott-Louisa-
Henry IA-Des Moines-Lee-Rock Island-Mercer-Henderson-Hancock-
Scotland-Clark-
Including the cities of Dubuque, Anamosa, Maquoketa, Tipton, 
Clinton, Muscatine, Davenport, Bettendorf, Wapello, 
Mount Pleasant, Burlington, Fort Madison, Moline, Rock Island, 
Aledo, Oquawka, Carthage, Memphis, and Kahoka
1002 PM CST Thu Feb 11 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST FRIDAY...

* WHAT...Very cold wind chills expected. Wind chills as low as 
  30 below zero.

* WHERE...Portions of northeast Missouri, east central, 
  northeast and southeast Iowa and northwest and west central 
  Illinois.

* WHEN...From midnight tonight to noon CST Friday.

* IMPACTS...The cold wind chills could cause frostbite on 
  exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$

www.weather.gov/dvn
324 
WWUS43 KDVN 120944
WSWDVN

URGENT - WINTER WEATHER MESSAGE
National Weather Service Quad Cities IA IL
344 AM CST Fri Feb 12 2021

...BITTERLY COLD WIND CHILLS TODAY THROUGH THE WEEKEND...

.Arctic air and northwest winds will lead to bitter cold wind
chills of 20 below to 30 below zero this morning. Bitter cold
temperatures and wind chills will continue tonight and through
much of the weekend. 

IAZ040-041-051-052-063-064-121745-
/O.EXT.KDVN.WC.Y.0005.000000T0000Z-210213T1800Z/
Buchanan-Delaware-Benton-Linn-Iowa-Johnson-
Including the cities of Independence, Manchester, Vinton, 
Cedar Rapids, Marengo, and Iowa City
344 AM CST Fri Feb 12 2021

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL NOON CST SATURDAY...

* WHAT...Very cold wind chills. Wind chills as low as 30 below 
  zero.

* WHERE...Portions of east central and northeast Iowa.

* WHEN...Until noon CST Saturday.

* IMPACTS...The cold wind chills could cause frostbite on 
  exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$

IAZ076-077-087-098-121745-
/O.CON.KDVN.WC.Y.0005.000000T0000Z-210212T1800Z/
Keokuk-Washington-Jefferson-Van Buren-
Including the cities of Sigourney, Washington, Fairfield, 
and Keosauqua
344 AM CST Fri Feb 12 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...

* WHAT...Very cold wind chills. Wind chills as low as 30 below 
  zero.

* WHERE...Washington, Keokuk, Jefferson and Van Buren Counties.

* WHEN...Until noon CST today.

* IMPACTS...The cold wind chills could cause frostbite on 
  exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$

IAZ042-053-054-065>068-078-088-089-099-ILZ015-024-025-034-MOZ009-
010-121745-
/O.CON.KDVN.WC.Y.0005.000000T0000Z-210212T1800Z/
Dubuque-Jones-Jackson-Cedar-Clinton-Muscatine-Scott-Louisa-
Henry IA-Des Moines-Lee-Rock Island-Mercer-Henderson-Hancock-
Scotland-Clark-
Including the cities of Dubuque, Anamosa, Maquoketa, Tipton, 
Clinton, Muscatine, Davenport, Bettendorf, Wapello, 
Mount Pleasant, Burlington, Fort Madison, Moline, Rock Island, 
Aledo, Oquawka, Carthage, Memphis, and Kahoka
344 AM CST Fri Feb 12 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...

* WHAT...Very cold wind chills. Wind chills as low as 25 below 
  zero.

* WHERE...Portions of northeast Missouri, east central, 
  northeast and southeast Iowa and northwest and west central 
  Illinois.

* WHEN...Until noon CST today.

* IMPACTS...The cold wind chills could cause frostbite on 
  exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$

www.weather.gov/dvn
386 
WWUS43 KDVN 121757
WSWDVN

URGENT - WINTER WEATHER MESSAGE
National Weather Service Quad Cities IA IL
1157 AM CST Fri Feb 12 2021

...BITTERLY COLD WIND CHILLS TODAY THROUGH THE WEEKEND...

.Arctic air and northwest winds will lead to bitter cold wind
chills of 20 below to 30 below zero this morning. Bitter cold
temperatures and wind chills will continue tonight and through
much of the weekend.

IAZ076-077-087-098-121900-
/O.EXP.KDVN.WC.Y.0005.000000T0000Z-210212T1800Z/
Keokuk-Washington-Jefferson-Van Buren-
Including the cities of Sigourney, Washington, Fairfield, 
and Keosauqua
1157 AM CST Fri Feb 12 2021

...WIND CHILL ADVISORY WILL EXPIRE AT NOON CST TODAY...

Conditions have improved this morning and wind chill index 
readings are no longer 20 below zero or colder. However, with air 
temperatures only in the single digits above and below zero, it 
will remain bitterly cold through the afternoon.

$$

IAZ042-053-054-065>068-078-088-089-099-ILZ015-024-025-034-MOZ009-
010-121900-
/O.EXP.KDVN.WC.Y.0005.000000T0000Z-210212T1800Z/
Dubuque-Jones-Jackson-Cedar-Clinton-Muscatine-Scott-Louisa-
Henry IA-Des Moines-Lee-Rock Island-Mercer-Henderson-Hancock-
Scotland-Clark-
Including the cities of Dubuque, Anamosa, Maquoketa, Tipton, 
Clinton, Muscatine, Davenport, Bettendorf, Wapello, 
Mount Pleasant, Burlington, Fort Madison, Moline, Rock Island, 
Aledo, Oquawka, Carthage, Memphis, and Kahoka
1157 AM CST Fri Feb 12 2021

...WIND CHILL ADVISORY WILL EXPIRE AT NOON CST TODAY...

Conditions have improved this morning and wind chill index 
readings are no longer 20 below zero or colder. However, with air 
temperatures only in the single digits above and below zero, it 
will remain bitterly cold through the afternoon.

$$

IAZ040-041-051-052-063-064-130200-
/O.CON.KDVN.WC.Y.0005.000000T0000Z-210213T1800Z/
Buchanan-Delaware-Benton-Linn-Iowa-Johnson-
Including the cities of Independence, Manchester, Vinton, 
Cedar Rapids, Marengo, and Iowa City
1157 AM CST Fri Feb 12 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST
SATURDAY...

* WHAT...Very cold wind chills. Wind chills as low as 30 below 
  zero.

* WHERE...Portions of east central and northeast Iowa.

* WHEN...Until noon CST Saturday.

* IMPACTS...The cold wind chills could cause frostbite on exposed
  skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves.

&&

$$

www.weather.gov/dvn
700 
WWUS43 KDVN 122102
WSWDVN

URGENT - WINTER WEATHER MESSAGE
National Weather Service Quad Cities IA IL
302 PM CST Fri Feb 12 2021

...Bitterly Cold Wind Chills Tonight and Through The Weekend...

.Arctic air and northwest winds will lead to bitter cold wind
chills of 15 below to 30 below zero tonight and Saturday 
morning. Bitter cold temperatures and wind chills will continue 
through the weekend.

IAZ042-053-054-065>068-076>078-087>089-098-099-ILZ001-002-007-009-
015>018-024>026-034-035-MOZ009-010-130515-
/O.EXB.KDVN.WC.Y.0005.210213T0600Z-210213T1800Z/
Dubuque-Jones-Jackson-Cedar-Clinton-Muscatine-Scott-Keokuk-
Washington-Louisa-Jefferson-Henry IA-Des Moines-Van Buren-Lee-
Jo Daviess-Stephenson-Carroll-Whiteside-Rock Island-Henry IL-
Bureau-Putnam-Mercer-Henderson-Warren-Hancock-McDonough-Scotland-
Clark-
Including the cities of Dubuque, Anamosa, Maquoketa, Tipton, 
Clinton, Muscatine, Davenport, Bettendorf, Sigourney, Washington,
Wapello, Fairfield, Mount Pleasant, Burlington, Keosauqua, 
Fort Madison, Galena, Freeport, Mount Carroll, Sterling, Moline, 
Rock Island, Geneseo, Princeton, Hennepin, Aledo, Oquawka, 
Monmouth, Carthage, Macomb, Memphis, and Kahoka
302 PM CST Fri Feb 12 2021

...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO NOON
CST SATURDAY...

* WHAT...Very cold wind chills expected. Wind chills as low as 
  25 below zero.

* WHERE...Portions of northeast Missouri, east central, 
  northeast and southeast Iowa and north central, northwest and 
  west central Illinois.

* WHEN...From midnight tonight to noon CST Saturday.

* IMPACTS...The cold wind chills could cause frostbite on 
  exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$

IAZ040-041-051-052-063-064-130515-
/O.CON.KDVN.WC.Y.0005.000000T0000Z-210213T1800Z/
Buchanan-Delaware-Benton-Linn-Iowa-Johnson-
Including the cities of Independence, Manchester, Vinton, 
Cedar Rapids, Marengo, and Iowa City
302 PM CST Fri Feb 12 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST
SATURDAY...

* WHAT...Very cold wind chills. Wind chills as low as 30 below 
  zero.

* WHERE...Portions of east central and northeast Iowa.

* WHEN...Until noon CST Saturday.

* IMPACTS...The cold wind chills could cause frostbite on 
  exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves.

&&

$$

www.weather.gov/dvn
248 
WWUS43 KDVN 122355
WSWDVN

URGENT - WINTER WEATHER MESSAGE
National Weather Service Quad Cities IA IL
555 PM CST Fri Feb 12 2021

...Bitterly Cold Wind Chills Tonight and Through The Weekend...

.Arctic air and northwest winds will lead to bitter cold wind
chills of 15 below to 30 below zero tonight and Saturday morning.
Bitter cold temperatures and wind chills will continue through
the weekend.

IAZ042-053-054-065>068-076>078-087>089-098-099-ILZ001-002-007-009-
015>018-024>026-034-035-MOZ009-010-130800-
/O.EXT.KDVN.WC.Y.0005.210213T0000Z-210213T1800Z/
Dubuque-Jones-Jackson-Cedar-Clinton-Muscatine-Scott-Keokuk-
Washington-Louisa-Jefferson-Henry IA-Des Moines-Van Buren-Lee-
Jo Daviess-Stephenson-Carroll-Whiteside-Rock Island-Henry IL-
Bureau-Putnam-Mercer-Henderson-Warren-Hancock-McDonough-Scotland-
Clark-
Including the cities of Dubuque, Anamosa, Maquoketa, Tipton, 
Clinton, Muscatine, Davenport, Bettendorf, Sigourney, Washington,
Wapello, Fairfield, Mount Pleasant, Burlington, Keosauqua, 
Fort Madison, Galena, Freeport, Mount Carroll, Sterling, Moline, 
Rock Island, Geneseo, Princeton, Hennepin, Aledo, Oquawka, 
Monmouth, Carthage, Macomb, Memphis, and Kahoka
555 PM CST Fri Feb 12 2021

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL NOON CST SATURDAY...

* WHAT...Very cold wind chills expected. Wind chills as low as 
  25 below zero.

* WHERE...Portions of northeast Missouri, east central, 
  northeast and southeast Iowa and north central, northwest and 
  west central Illinois.

* WHEN...Until noon CST Saturday.

* IMPACTS...The cold wind chills could cause frostbite on 
  exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$

IAZ040-041-051-052-063-064-130800-
/O.CON.KDVN.WC.Y.0005.000000T0000Z-210213T1800Z/
Buchanan-Delaware-Benton-Linn-Iowa-Johnson-
Including the cities of Independence, Manchester, Vinton, 
Cedar Rapids, Marengo, and Iowa City
555 PM CST Fri Feb 12 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST
SATURDAY...

* WHAT...Very cold wind chills. Wind chills as low as 30 below 
  zero.

* WHERE...Portions of east central and northeast Iowa.

* WHEN...Until noon CST Saturday.

* IMPACTS...The cold wind chills could cause frostbite on 
  exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$

www.weather.gov/dvn
311 
WWUS43 KDVN 130438
WSWDVN

URGENT - WINTER WEATHER MESSAGE
National Weather Service Quad Cities IA IL
1038 PM CST Fri Feb 12 2021

...Bitterly Cold Wind Chills Tonight and Through The Weekend...

.Arctic air and northwest winds will lead to bitter cold wind
chills of 15 below to 30 below zero tonight and Saturday morning.
Bitter cold temperatures and wind chills will continue through
the weekend.

IAZ040-041-051-052-063-064-131245-
/O.CON.KDVN.WC.Y.0005.000000T0000Z-210213T1800Z/
Buchanan-Delaware-Benton-Linn-Iowa-Johnson-
Including the cities of Independence, Manchester, Vinton, 
Cedar Rapids, Marengo, and Iowa City
1038 PM CST Fri Feb 12 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST
SATURDAY...

* WHAT...Very cold wind chills. Wind chills as low as 30 below 
  zero.

* WHERE...Portions of east central and northeast Iowa.

* WHEN...Until noon CST Saturday.

* IMPACTS...The cold wind chills could cause frostbite on 
  exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$

IAZ042-053-054-065>068-076>078-087>089-098-099-ILZ001-002-007-009-
015>018-024>026-034-035-MOZ009-010-131245-
/O.CON.KDVN.WC.Y.0005.000000T0000Z-210213T1800Z/
Dubuque-Jones-Jackson-Cedar-Clinton-Muscatine-Scott-Keokuk-
Washington-Louisa-Jefferson-Henry IA-Des Moines-Van Buren-Lee-
Jo Daviess-Stephenson-Carroll-Whiteside-Rock Island-Henry IL-
Bureau-Putnam-Mercer-Henderson-Warren-Hancock-McDonough-Scotland-
Clark-
Including the cities of Dubuque, Anamosa, Maquoketa, Tipton, 
Clinton, Muscatine, Davenport, Bettendorf, Sigourney, Washington,
Wapello, Fairfield, Mount Pleasant, Burlington, Keosauqua, 
Fort Madison, Galena, Freeport, Mount Carroll, Sterling, Moline, 
Rock Island, Geneseo, Princeton, Hennepin, Aledo, Oquawka, 
Monmouth, Carthage, Macomb, Memphis, and Kahoka
1038 PM CST Fri Feb 12 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST
SATURDAY...

* WHAT...Very cold wind chills expected. Wind chills as low as 
  25 below zero.

* WHERE...Portions of northeast Missouri, east central, 
  northeast and southeast Iowa and north central, northwest and 
  west central Illinois.

* WHEN...Until noon CST Saturday.

* IMPACTS...The cold wind chills could cause frostbite on 
  exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$

www.weather.gov/dvn
369 
WWUS43 KDVN 130937
WSWDVN

URGENT - WINTER WEATHER MESSAGE
National Weather Service Quad Cities IA IL
337 AM CST Sat Feb 13 2021

...Dangerous Cold Temperatures and Wind Chills through Monday... 

.Arctic air and northwest winds will lead to bitter cold wind
chills of 25 below to 35 below zero at times today through Monday.

IAZ040-041-051-052-063-064-131745-
/O.NEW.KDVN.WC.W.0003.210214T0000Z-210215T1800Z/
/O.CON.KDVN.WC.Y.0005.000000T0000Z-210213T1800Z/
Buchanan-Delaware-Benton-Linn-Iowa-Johnson-
Including the cities of Independence, Manchester, Vinton, 
Cedar Rapids, Marengo, and Iowa City
337 AM CST Sat Feb 13 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...
...WIND CHILL WARNING IN EFFECT FROM 6 PM THIS EVENING TO NOON
CST MONDAY...

* WHAT...For the Wind Chill Warning, dangerously cold wind chills
  as low as 35 below zero at times Tonight through Monday morning.
  For the Wind Chill Advisory, very cold wind chills as low as 25
  below zero this morning.

* WHERE...Portions of east central and northeast Iowa.

* WHEN...For the Wind Chill Warning, from 6 PM this evening to 
  noon CST Monday. For the Wind Chill Advisory, until noon CST 
  today.

* IMPACTS...The dangerously cold wind chills could cause 
  frostbite on exposed skin in as little as 10 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing, a hat, and gloves. 

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$

IAZ042-053-054-065>068-076>078-087>089-098-099-ILZ001-002-007-009-
015-034-MOZ009-010-131745-
/O.NEW.KDVN.WC.W.0003.210214T0000Z-210215T1800Z/
/O.CON.KDVN.WC.Y.0005.000000T0000Z-210213T1800Z/
Dubuque-Jones-Jackson-Cedar-Clinton-Muscatine-Scott-Keokuk-
Washington-Louisa-Jefferson-Henry IA-Des Moines-Van Buren-Lee-
Jo Daviess-Stephenson-Carroll-Whiteside-Rock Island-Hancock-
Scotland-Clark-
Including the cities of Dubuque, Anamosa, Maquoketa, Tipton, 
Clinton, Muscatine, Davenport, Bettendorf, Sigourney, Washington,
Wapello, Fairfield, Mount Pleasant, Burlington, Keosauqua, 
Fort Madison, Galena, Freeport, Mount Carroll, Sterling, Moline, 
Rock Island, Carthage, Memphis, and Kahoka
337 AM CST Sat Feb 13 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...
...WIND CHILL WARNING IN EFFECT FROM 6 PM THIS EVENING TO NOON
CST MONDAY...

* WHAT...For the Wind Chill Warning, dangerously cold wind chills
  as low as 30 below zero at times Tonight through Monday 
  morning. For the Wind Chill Advisory, very cold wind chills as 
  low as 25 below zero this morning.

* WHERE...Portions of northeast Missouri, east central, 
  northeast and southeast Iowa and northwest and west central 
  Illinois.

* WHEN...For the Wind Chill Warning, from 6 PM this evening to 
  noon CST Monday. For the Wind Chill Advisory, until noon CST 
  today.

* IMPACTS...The dangerously cold wind chills could cause 
  frostbite on exposed skin in as little as 10 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing, a hat, and gloves. 

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$

ILZ016>018-024>026-035-131745-
/O.NEW.KDVN.WC.Y.0006.210214T0000Z-210215T1800Z/
/O.CON.KDVN.WC.Y.0005.000000T0000Z-210213T1800Z/
Henry IL-Bureau-Putnam-Mercer-Henderson-Warren-McDonough-
Including the cities of Geneseo, Princeton, Hennepin, Aledo, 
Oquawka, Monmouth, and Macomb
337 AM CST Sat Feb 13 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...
...WIND CHILL ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO NOON
CST MONDAY...

* WHAT...Very cold wind chills. Wind chills as low as 20 below
  zero this morning and 25 below zero Tonight through Monday
  morning. 

* WHERE...Portions of north central, northwest and west central 
  Illinois.

* WHEN...For the first Wind Chill Advisory, until noon CST 
  today. For the second Wind Chill Advisory, from 6 PM this 
  evening to noon CST Monday.

* IMPACTS...The cold wind chills could cause frostbite on 
  exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$

www.weather.gov/dvn

Nearby

Wind Chill Advisories in Iowa, 2021Wind Chill Advisories in Illinois, 2021Wind Chill Advisories in Missouri, 2021Every wind chill advisory in 2021

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.