Alert archive / Illinois / Winter Storm Warnings in 2021

Winter Storm Warning 1, NWS Quad Cities, IA

January 1, 20218 counties in Illinois; 5 counties in Iowa; Clark County, Scotland County, Missouri

NWS Quad Cities, IA issued this winter storm warning at Jan 1, 2021, 4:02 AM CST for 8 counties in Illinois; 5 counties in Iowa; Clark County, Scotland County, Missouri. It took effect at Jan 1, 2021, 6:00 AM CST. It was in force for 18 hr. 39 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jan 1, 2021, 4:02 AM CST (10:02 UTC)
In effect from
Jan 1, 2021, 6:00 AM CST
Expired
Jan 2, 2021, 12:00 AM CST
In force
18 hr
Issued by
NWS Quad Cities, IA

Counties Des Moines County, IA, Henry County, IA, Lee County, IA, Louisa County, IA, Van Buren County, IA, Bureau County, IL, Hancock County, IL, Henderson County, IL, Henry County, IL, McDonough County, IL, Mercer County, IL, Putnam County, IL, Warren County, IL, Clark County, MO, Scotland County, MO

The radar

The Quad Cities radar (KDVN), 88 km from the middle of the area, began a volume at 10:05 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.

What was reported inside it

TimeReportWhereRemark
Jan 1, 7:42 AM CSTFREEZING RAIN 0.021 S Carthage, ILTRACE OF ICE. CURRENTLY FREEZING RAIN AND SLEET. 3/8 SLEET MEASURED.
Jan 1, 9:06 AM CSTFREEZING RAIN 0.2Augusta, IL0.25 INCHES OF ICE AND FREEZING RAIN.
Jan 1, 9:10 AM CSTFREEZING RAIN 0.02Little York, ILTWO HOURS OF FREEZING RAIN AND INTERMITTENT POWER OUTAGES.
Jan 1, 9:18 AM CSTFREEZING RAIN 0.21 Ese Macomb, ILREPORTS OF MEDIUM-SIZED TREE BRANCHES SNAPPED AND SOME SAGGING POWER LINES.
Jan 1, 9:18 AM CSTFREEZING RAIN 0.21 Ese Macomb, IL
Jan 1, 9:50 AM CSTFREEZING RAIN 0.09Geneseo, ILJUST SHY OF A TENTH OF AN INCH.
Jan 1, 9:51 AM CSTSLEET 0.3Geneseo, IL.
Jan 1, 9:51 AM CSTSLEET 0.3Geneseo, IL
Jan 1, 10:04 AM CSTFREEZING RAIN 0.051 W Industry, IL1/4 INCH ICE ON METAL SURFACES.
Jan 1, 10:31 AM CSTFREEZING RAIN 0.15Putnam, IL
Jan 1, 10:57 AM CSTFREEZING RAIN 0.25Prairie City, IL
Jan 1, 12:00 PM CSTFREEZING RAIN 0.2Oquawka, IL
Jan 1, 12:37 PM CSTFREEZING RAIN 0.31 Nw Macomb, ILSMALL TO MEDIUM SIZED BRANCHES DOWNED. POWER LINES HANGING LOW.
Jan 1, 1:02 PM CSTFREEZING RAIN 0.2Industry, IL.
Jan 1, 1:02 PM CSTFREEZING RAIN 0.2Industry, IL
Jan 1, 1:57 PM CSTFREEZING RAIN 0.13 E Carthage, ILICE ON TREES AND FENCES.
Jan 1, 2:07 PM CSTFREEZING RAIN 0.132 Se Macomb, IL.
Jan 1, 2:07 PM CSTFREEZING RAIN 0.132 Se Macomb, IL
Jan 1, 3:51 PM CSTFREEZING RAIN 0.1Cambridge, IL.
Jan 1, 3:51 PM CSTFREEZING RAIN 0.1Cambridge, IL
Jan 1, 4:51 PM CSTSNOW 33 Ene Charlie Heath Mem, MO
Jan 1, 5:01 PM CSTSNOW 1.53 W Mount Sterling, IA
Jan 1, 6:00 PM CSTSNOW 1.51 Wsw New London, IASO FAR.
Jan 1, 6:00 PM CSTSNOW 2Selma, IASTORM TOTAL COMBINATION OF SNOW AND SLEET.
Jan 1, 6:40 PM CSTSNOW 2.83 Ene Fort Madison, IASO FAR.
Jan 1, 7:30 PM CSTFREEZING RAIN 0.14 Nne Croton, IASTORM TOTAL ICE.
Jan 1, 7:30 PM CSTSNOW 3.54 Nne Croton, IASTORM TOTAL OF SNOW AND SLEET.
Jan 1, 7:46 PM CSTSNOW 1Industry, ILSTORM TOTAL SNOW WITH 0.2 INCHES OF ICE.
Jan 1, 7:50 PM CSTSNOW 2.5Oquawka, ILSTORM TOTAL WITH 0.15 INCHES OF ICE.
Jan 1, 8:00 PM CSTSNOW 32 N Burlington, IASTORM TOTAL SNOW WITH AT LEAST 0.2 INCHES OF ICE.
Jan 1, 8:15 PM CSTSNOW 21 Ene Burlington Region, IASTORM TOTAL WITH 0.1 INCH OF ICE.
Jan 1, 9:05 PM CSTSNOW 2.21 Se Princeton, ILSTORM TOTAL WITH ABOUT 0.10 INCH OF ICE.
Jan 1, 9:10 PM CSTSNOW 1.61 Wsw New London, IASTORM TOTAL WITH JUST UNDER 0.10 INCHES OF ICE.
Jan 1, 9:48 PM CSTSNOW 1Carthage, IL
Jan 1, 9:49 PM CSTSNOW 1.3Malden, IL
Jan 1, 9:49 PM CSTSNOW 1.8Cambridge, IL
Jan 1, 9:50 PM CSTSNOW 1.31 Ssw Kewanee, IL
Jan 1, 9:55 PM CSTFREEZING RAIN 0.252 N Burlington, IA
Jan 1, 11:55 PM CSTSNOW 43 Ene Charlie Heath Mem, MOCORRECTS PREVIOUS SNOW REPORT FROM 3 ENE CHARLIE HEATH MEMORIAL. STORM TOTAL.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 10.0 hours before the alert went out and 92 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 00:00Z on 2021-01-01Temperature 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 00:00Z on 2021-01-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 square meters per square second.1939587897117Sfc1 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
1045 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
50 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

852 
WWUS43 KDVN 011002
WSWDVN

URGENT - WINTER WEATHER MESSAGE
National Weather Service Quad Cities IA IL
402 AM CST Fri Jan 1 2021

...Winter Storm Expected Today...

.Mixed precipitation will overspread the area this morning, 
reaching the Interstate 80 corridor between 8 to 10 AM. Mainly 
freezing rain is forecast over the far east-central and southeast 
outlook area where several tenths of ice accumulation are 
expected. Over the southwest and central sections, which includes
the Quad Cities, mixed precipitation will change to snow during 
the late morning to early afternoon. The precipitation will come 
to an end by early tonight. 

IAZ078-088-089-098-099-ILZ024-MOZ009-010-012000-
/O.UPG.KDVN.WW.Y.0018.210101T1200Z-210102T0600Z/
/O.NEW.KDVN.WS.W.0001.210101T1200Z-210102T0600Z/
Louisa-Henry IA-Des Moines-Van Buren-Lee-Mercer-Scotland-Clark-
Including the cities of Wapello, Mount Pleasant, Burlington, 
Keosauqua, Fort Madison, Aledo, Memphis, and Kahoka
402 AM CST Fri Jan 1 2021

...WINTER STORM WARNING IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

* WHAT...Heavy mixed precipitation expected with total snow and
  sleet accumulations of 2 to 5 inches, highest along and north of
  a line from Memphis, Missouri to Wapello, Iowa. Total ice
  accumulations up to a tenth of an inch, with up to a quarter
  inch possible across southern Lee and Clark Counties.

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

* WHEN...Until midnight CST tonight.

* IMPACTS...Plan on very difficult travel conditions with snow
  covered roads and reduced visibilities down to a half mile in
  the heaviest bands of snow. The hazardous conditions will impact
  the morning and evening commute. Ice accumulations over 
  southern Lee and Clark Counties could weigh down tree branches 
  and power lines.

* ADDITIONAL DETAILS...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

ILZ016>018-025-026-034-035-012000-
/O.UPG.KDVN.WW.Y.0018.210101T1200Z-210102T0600Z/
/O.NEW.KDVN.WS.W.0001.210101T1200Z-210102T0600Z/
Henry IL-Bureau-Putnam-Henderson-Warren-Hancock-McDonough-
Including the cities of Geneseo, Princeton, Hennepin, Oquawka, 
Monmouth, Carthage, and Macomb
402 AM CST Fri Jan 1 2021

...WINTER STORM WARNING IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

* WHAT...Heavy mixed precipitation expected. Total snow and sleet
  accumulations of 1 to 3 inches and ice accumulations of one to
  three tenths. The highest ice accumulations are anticipated 
  along and south of a line from Princeton, Illinois to Monmouth, 
  Illinois to Keokuk, Iowa.

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

* WHEN...Until midnight CST tonight.

* IMPACTS...Plan on very difficult travel conditions. The
  hazardous conditions will impact the morning and evening commute.

* ADDITIONAL DETAILS...The ice accumulations and northeast winds
  gusting up to 30 mph could bring down some tree branches and 
  power lines. Isolated power outages are possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

IAZ064>068-076-077-087-ILZ009-015-012000-
/O.CON.KDVN.WW.Y.0018.210101T1200Z-210102T0600Z/
Johnson-Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Jefferson-
Whiteside-Rock Island-
Including the cities of Iowa City, Tipton, Clinton, Muscatine, 
Davenport, Bettendorf, Sigourney, Washington, Fairfield, 
Sterling, Moline, and Rock Island
402 AM CST Fri Jan 1 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

* WHAT...Snow expected with total accumulations of 2 to 5 inches.
  The highest amounts are forecast south of a line from Clinton, 
  Iowa to Washington, Iowa. Areas in the far northern portion of 
  the advisory could see an inch or less due to a sharp gradient 
  in snowfall amounts.

* WHERE...Portions of east central and southeast Iowa and 
  northwest Illinois.

* WHEN...From 6 AM Friday to midnight CST Friday night.

* IMPACTS...Plan on hazardous travel conditions with snow covered
  roads and reduced visibilities down to a half mile in the
  heaviest bands of snow. The hazardous conditions will impact the
  evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

www.weather.gov/dvn

Uttech
4 follow-up statements
616 
WWUS43 KDVN 011659
WSWDVN

URGENT - WINTER WEATHER MESSAGE
National Weather Service Quad Cities IA IL
1059 AM CST Fri Jan 1 2021

...Winter Storm to Continue Today...

.Mixed precipitation will continue through this morning before
transitioning over to snow from west to east. Areas within the
winter storm warning have already seen ice accumulations
approaching two tenths of ice and some reports of a quarter inch
have been reported. Some tree branches and scattered power outages
have been reported due to the ice and winds gusting to near 30
mph. A tight band of snow will follow affecting the advisory and
parts of the warning area this afternoon and evening.

ILZ016>018-025-026-034-035-020100-
/O.CON.KDVN.WS.W.0001.000000T0000Z-210102T0600Z/
Henry IL-Bureau-Putnam-Henderson-Warren-Hancock-McDonough-
Including the cities of Geneseo, Princeton, Hennepin, Oquawka, 
Monmouth, Carthage, and Macomb
1059 AM CST Fri Jan 1 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

* WHAT...Heavy mixed precipitation expected. Total snow and sleet
  accumulations of 1 to 3 inches and ice accumulations of two to
  four tenths of an inch. The highest ice accumulations are 
  anticipated along and south of a line from Princeton, Illinois 
  to Monmouth, Illinois to Keokuk, Iowa.

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

* WHEN...Until midnight CST tonight.

* IMPACTS...Plan on very difficult travel conditions. The 
  hazardous conditions will impact the morning and evening 
  commute.

* ADDITIONAL DETAILS...Plan on very difficult travel conditions
  with snow and ice covered roads. The hazardous conditions will 
  impact the morning and evening commute. The ice accumulations 
  and northeast winds gusting up to 30 mph could bring down some 
  tree branches and power lines. Isolated power outages are 
  possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

IAZ078-088-089-098-099-ILZ024-MOZ009-010-020100-
/O.CON.KDVN.WS.W.0001.000000T0000Z-210102T0600Z/
Louisa-Henry IA-Des Moines-Van Buren-Lee-Mercer-Scotland-Clark-
Including the cities of Wapello, Mount Pleasant, Burlington, 
Keosauqua, Fort Madison, Aledo, Memphis, and Kahoka
1059 AM CST Fri Jan 1 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

* WHAT...Heavy mixed precipitation expected with total snow and
  sleet accumulations of 2 to 5 inches, highest along and north of
  a line from Memphis, Missouri to Wapello, Iowa. Total ice
  accumulations up to two tenths of an inch, with up to a quarter
  of an inch possible across southern Lee and Clark Counties.

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

* WHEN...Until midnight CST tonight.

* IMPACTS...Plan on very difficult travel conditions with snow 
  covered roads and reduced visibilities down to a half mile in 
  the heaviest bands of snow. The hazardous conditions will 
  impact the morning and evening commute. Ice accumulations over 
  southern Lee and Clark Counties could weigh down tree branches 
  and power lines.

* ADDITIONAL DETAILS...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

IAZ064>068-076-077-087-ILZ009-015-020100-
/O.CON.KDVN.WW.Y.0018.000000T0000Z-210102T0600Z/
Johnson-Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Jefferson-
Whiteside-Rock Island-
Including the cities of Iowa City, Tipton, Clinton, Muscatine, 
Davenport, Bettendorf, Sigourney, Washington, Fairfield, 
Sterling, Moline, and Rock Island
1059 AM CST Fri Jan 1 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

* WHAT...Freezing rain and then snow expected with total 
  accumulations of 2 to 5 inches. The highest amounts are forecast
  south of a line from Clinton, Iowa to Washington, Iowa. Areas 
  in the far northern portion of the advisory could see an inch or
  less due to a sharp cutoff in snowfall amounts. This area could
  also see up to a tenth of inch of ice accumulation.

* WHERE...Portions of east central and southeast Iowa and 
  northwest Illinois.

* WHEN...From 6 AM Friday to midnight CST Friday night.

* IMPACTS...Plan on hazardous travel conditions with snow covered
  roads and reduced visibilities down to a half mile in the
  heaviest bands of snow. The hazardous conditions will impact the
  evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

www.weather.gov/dvn
673 
WWUS43 KDVN 011816
WSWDVN

URGENT - WINTER WEATHER MESSAGE
National Weather Service Quad Cities IA IL
1216 PM CST Fri Jan 1 2021

...Winter Storm to Continue Today...

.Mixed precipitation will continue through afternoon across the
Interstate 80 corridor in Illinois before transitioning over to 
snow from west to east. Areas within the winter storm warning 
have already seen ice accumulations approaching two tenths of ice 
and some reports of a quarter inch have been reported. Some tree 
branches and scattered power outages have been reported due to the
ice and winds gusting to near 30 mph. Elsewhere, mixed precipitation was
transitioning to snow. A tight band of snow will follow affecting
the advisory and parts of the warning area this afternoon and 
evening.

ILZ016>018-025-026-034-035-020230-
/O.CON.KDVN.WS.W.0001.000000T0000Z-210102T0600Z/
Henry IL-Bureau-Putnam-Henderson-Warren-Hancock-McDonough-
Including the cities of Geneseo, Princeton, Hennepin, Oquawka, 
Monmouth, Carthage, and Macomb
1216 PM CST Fri Jan 1 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

* WHAT...Heavy mixed precipitation expected. Total snow and 
  sleet accumulations of 1 to 3 inches and ice accumulations of 
  two to four tenths of an inch. The highest ice accumulations 
  are anticipated along and south of a line from Princeton, 
  Illinois to Monmouth, Illinois to Keokuk, Iowa.

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

* WHEN...Until midnight CST tonight.

* IMPACTS...Plan on very difficult travel conditions. The 
  hazardous conditions will impact the morning and evening 
  commute.

* ADDITIONAL DETAILS...Plan on very difficult travel conditions 
  with snow and ice covered roads. The hazardous conditions will 
  impact the morning and evening commute. The ice accumulations 
  and northeast winds gusting up to 30 mph could bring down some 
  tree branches and power lines. Isolated power outages are 
  possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

IAZ078-088-089-098-099-ILZ024-MOZ009-010-020230-
/O.CON.KDVN.WS.W.0001.000000T0000Z-210102T0600Z/
Louisa-Henry IA-Des Moines-Van Buren-Lee-Mercer-Scotland-Clark-
Including the cities of Wapello, Mount Pleasant, Burlington, 
Keosauqua, Fort Madison, Aledo, Memphis, and Kahoka
1216 PM CST Fri Jan 1 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

* WHAT...Heavy mixed precipitation expected with total snow and 
  sleet accumulations of 2 to 5 inches, highest along and north 
  of a line from Memphis, Missouri to Wapello, Iowa. Total ice 
  accumulations up to two tenths of an inch, with up to a 
  quarter of an inch possible across southern Lee and Clark 
  Counties.

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

* WHEN...Until midnight CST tonight.

* IMPACTS...Plan on very difficult travel conditions with snow 
  covered roads and reduced visibilities down to a half mile in 
  the heaviest bands of snow. The hazardous conditions will 
  impact the morning and evening commute. Ice accumulations over 
  southern Lee and Clark Counties could weigh down tree branches 
  and power lines.

* ADDITIONAL DETAILS...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

IAZ054-ILZ001-002-007-020230-
/O.EXA.KDVN.WW.Y.0018.000000T0000Z-210102T0600Z/
Jackson-Jo Daviess-Stephenson-Carroll-
Including the cities of Maquoketa, Galena, Freeport, 
and Mount Carroll
1216 PM CST Fri Jan 1 2021

...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

* WHAT...Mixed precipitation.Total snow accumulations of 2 to 5 
  inches and ice accumulations of a light glaze.

* WHERE...In Iowa, Jackson County. In Illinois, Jo Daviess, 
  Stephenson and Carroll Counties.

* WHEN...From 6 AM Friday to midnight CST Friday night.

* IMPACTS...Plan on hazardous travel conditions with snow 
  covered roads and reduced visibilities down to a half mile in 
  the heaviest bands of snow. The hazardous conditions will 
  impact the evening commute.

* ADDITIONAL DETAILS...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

IAZ064>068-076-077-087-ILZ009-015-020230-
/O.CON.KDVN.WW.Y.0018.000000T0000Z-210102T0600Z/
Johnson-Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Jefferson-
Whiteside-Rock Island-
Including the cities of Iowa City, Tipton, Clinton, Muscatine, 
Davenport, Bettendorf, Sigourney, Washington, Fairfield, 
Sterling, Moline, and Rock Island
1216 PM CST Fri Jan 1 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

* WHAT...Freezing rain and then snow expected with total
  accumulations of 2 to 5 inches. The highest amounts are forecast
  south of a line from Clinton, Iowa to Washington, Iowa. Areas in
  the far northern portion of the advisory could see an inch or
  less due to a sharp cutoff in snowfall amounts. This area could
  also see up to two tenths of an inch of ice accumulation.

* WHERE...Portions of east central and southeast Iowa and 
  northwest Illinois.

* WHEN...From 6 AM Friday to midnight CST Friday night.

* IMPACTS...Plan on hazardous travel conditions with snow covered
  roads and reduced visibilities down to a half mile in the
  heaviest bands of snow. The hazardous conditions will impact the
  evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

www.weather.gov/dvn
598 
WWUS43 KDVN 020049
WSWDVN

URGENT - WINTER WEATHER MESSAGE
National Weather Service Quad Cities IA IL
649 PM CST Fri Jan 1 2021

...Winter Storm Will Be Winding Down This Evening...

.A wintry mix of sleet, snow and freezing rain will slowly 
taper off across eastern Iowa, and northwest and west central 
Illinois by late evening. 

ILZ016>018-025-026-034-035-020600-
/O.CON.KDVN.WS.W.0001.000000T0000Z-210102T0600Z/
Henry IL-Bureau-Putnam-Henderson-Warren-Hancock-McDonough-
Including the cities of Geneseo, Princeton, Hennepin, Oquawka, 
Monmouth, Carthage, and Macomb
649 PM CST Fri Jan 1 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

* WHAT...Mixed precipitation tapering off this evening. 
  Additional snow and sleet accumulation of an inch or less. 
  Additional ice accumulation of less than a tenth of an inch. 

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

* WHEN...Until midnight CST tonight.

* IMPACTS...Travel conditions will remain hazardous due to the ice
  and snow covered roads. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

IAZ078-088-089-098-099-ILZ024-MOZ009-010-020600-
/O.CON.KDVN.WS.W.0001.000000T0000Z-210102T0600Z/
Louisa-Henry IA-Des Moines-Van Buren-Lee-Mercer-Scotland-Clark-
Including the cities of Wapello, Mount Pleasant, Burlington, 
Keosauqua, Fort Madison, Aledo, Memphis, and Kahoka
649 PM CST Fri Jan 1 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

* WHAT...Mixed precipitation tapering off this evening. Additional
  snow and sleet accumulation of less than an inch, and additional
  ice accumulation of less than a tenth of an inch for areas near
  and east of the Mississippi River.

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

* WHEN...Until midnight CST tonight.

* IMPACTS...Travel conditions will remain difficult due to the
  snow and ice covered roads.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

IAZ054-064>068-076-077-087-ILZ001-002-007-009-015-020600-
/O.CON.KDVN.WW.Y.0018.000000T0000Z-210102T0600Z/
Jackson-Johnson-Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-
Jefferson-Jo Daviess-Stephenson-Carroll-Whiteside-Rock Island-
Including the cities of Maquoketa, Iowa City, Tipton, Clinton, 
Muscatine, Davenport, Bettendorf, Sigourney, Washington, 
Fairfield, Galena, Freeport, Mount Carroll, Sterling, Moline, 
and Rock Island
649 PM CST Fri Jan 1 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

* WHAT...Mixed precipitation. Additional snow and sleet
  accumulation of an inch or less. Additional ice accumulations 
  of a light glaze.

* WHERE...In Iowa, Jackson County. In Illinois, Jo Daviess, 
  Stephenson and Carroll Counties.

* WHEN...From 6 AM Friday to midnight CST Friday night.

* IMPACTS...Plan on hazardous travel conditions with snow and ice
  covered roads.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

www.weather.gov/dvn
378 
WWUS43 KDVN 020305
WSWDVN

URGENT - WINTER WEATHER MESSAGE
National Weather Service Quad Cities IA IL
905 PM CST Fri Jan 1 2021

...Winter Storm Continues Winding Down...

.A wintry mix of sleet, snow and freezing rain will slowly taper
off across northwest Illinois through late evening. 

IAZ078-088-089-098-099-ILZ024>026-034-035-MOZ009-010-020415-
/O.CAN.KDVN.WS.W.0001.000000T0000Z-210102T0600Z/
Louisa-Henry IA-Des Moines-Van Buren-Lee-Mercer-Henderson-Warren-
Hancock-McDonough-Scotland-Clark-
Including the cities of Wapello, Mount Pleasant, Burlington, 
Keosauqua, Fort Madison, Aledo, Oquawka, Monmouth, Carthage, 
Macomb, Memphis, and Kahoka
905 PM CST Fri Jan 1 2021

...WINTER STORM WARNING IS CANCELLED...

The wintry mix has quickly diminished over the area, with no
additional accumulation of ice or snow expected. Therefore,
the winter storm warning has been cancelled. Many roads will 
likely remain snow and ice covered and slick overnight. Use
caution if traveling the rest of tonight.

$$

IAZ054-064>068-076-077-087-ILZ001-015-020415-
/O.CAN.KDVN.WW.Y.0018.000000T0000Z-210102T0600Z/
Jackson-Johnson-Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-
Jefferson-Jo Daviess-Rock Island-
Including the cities of Maquoketa, Iowa City, Tipton, Clinton, 
Muscatine, Davenport, Bettendorf, Sigourney, Washington, 
Fairfield, Galena, Moline, and Rock Island
905 PM CST Fri Jan 1 2021

...WINTER WEATHER ADVISORY IS CANCELLED...

The wintry mix has quickly diminished over the area, with no
additional accumulation of ice or snow expected. Therefore,
the winter storm warning has been cancelled. Many roads will 
likely remain snow and ice covered and slick overnight. Use
caution if traveling the rest of tonight.

$$

ILZ016>018-020600-
/O.CON.KDVN.WS.W.0001.000000T0000Z-210102T0600Z/
Henry IL-Bureau-Putnam-
Including the cities of Geneseo, Princeton, and Hennepin
905 PM CST Fri Jan 1 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

* WHAT...Mixed precipitation. Additional accumulations of a 
  dusting of snow and light glazing of ice is possible. 

* WHERE...Henry IL, Bureau and Putnam Counties.

* WHEN...Until midnight CST tonight.

* IMPACTS...Travel conditions will remain hazardous due to the ice
  and snow covered roads.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

ILZ002-007-009-020600-
/O.CON.KDVN.WW.Y.0018.000000T0000Z-210102T0600Z/
Stephenson-Carroll-Whiteside-
Including the cities of Freeport, Mount Carroll, and Sterling
905 PM CST Fri Jan 1 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

* WHAT...Mixed precipitation. Additional accumulations of a
  dusting of snow and light glaze of ice is possible. 

* WHERE...Stephenson, Carroll and Whiteside Counties.

* WHEN...Until midnight CST tonight.

* IMPACTS...Plan on slippery road conditions due to the snow and
  ice.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

www.weather.gov/dvn

Nearby

Winter Storm Warnings in Illinois, 2021Winter Storm Warnings in Iowa, 2021Winter Storm Warnings in Missouri, 2021Every winter storm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.