Wind Advisory 10, NWS Quad Cities, IA

Cedar County, IA, Clinton County, IA, Des Moines County, IA, Henry County, IA, Iowa County, IA, Jefferson County, IA, Johnson County, IA, Keokuk County, IA, Lee County, IA, Louisa County, IA, Muscatine County, IA, Scott County, IA, Van Buren County, IA, Washington County, IA, Bureau County, IL, Hancock County, IL, Henderson County, IL, Henry County, IL, McDonough County, IL, Mercer County, IL, Putnam County, IL, Rock Island County, IL, Warren County, IL, Whiteside County, IL, Clark County, MO, Scotland County, MO

337 
WWUS73 KDVN 100213
NPWDVN

URGENT - WEATHER MESSAGE
National Weather Service Quad Cities IA IL
813 PM CST Tue Dec 9 2025

IAZ063>068-076>078-087>089-098-099-ILZ009-015>018-024>026-034-035-
MOZ009-010-101015-
/O.CON.KDVN.WI.Y.0010.251210T0600Z-251210T1500Z/
Iowa-Johnson-Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-
Louisa-Jefferson-Henry IA-Des Moines-Van Buren-Lee-Whiteside-Rock
Island-Henry IL-Bureau-Putnam-Mercer-Henderson-Warren-Hancock-
McDonough-Scotland-Clark-
Including the cities of Bettendorf, Sigourney, Princeton,
Washington, Wapello, Geneseo, Oquawka, Iowa City, Fairfield,
Tipton, Clinton, Aledo, Fort Madison, Mount Pleasant, Hennepin,
Sterling, Moline, Muscatine, Memphis, Monmouth, Rock Island,
Keosauqua, Marengo, Davenport, Carthage, Kahoka, Macomb, and
Burlington
813 PM CST Tue Dec 9 2025

...WIND ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CST 
WEDNESDAY...

* WHAT...West to northwest winds 20 to 30 mph with gusts between 45 
  to 55 mph expected, highest west-southwest of the Quad Cities.

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

* WHEN...From midnight tonight to 9 AM CST Wednesday.

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

* ADDITIONAL DETAILS...The very strong west to northwest winds may 
  be accompanied by snow showers or periods of light snow resulting 
  in reduced visibilities. Additionally, blowing and drifting snow 
  is possible in open and rural areas, especially along and north of 
  I-80 in eastern Iowa.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Secure outdoor objects.

&&

$$

Gunkel

828 
WWUS73 KDVN 100906
NPWDVN

URGENT - WEATHER MESSAGE
National Weather Service Quad Cities IA IL
306 AM CST Wed Dec 10 2025

IAZ063>068-076>078-087>089-098-099-ILZ009-015>018-024>026-034-035-
MOZ009-010-101500-
/O.CON.KDVN.WI.Y.0010.000000T0000Z-251210T1500Z/
Iowa-Johnson-Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-
Louisa-Jefferson-Henry IA-Des Moines-Van Buren-Lee-Whiteside-Rock
Island-Henry IL-Bureau-Putnam-Mercer-Henderson-Warren-Hancock-
McDonough-Scotland-Clark-
Including the cities of Moline, Rock Island, Sigourney,
Burlington, Clinton, Macomb, Muscatine, Davenport, Fairfield,
Oquawka, Wapello, Marengo, Princeton, Geneseo, Keosauqua,
Bettendorf, Sterling, Memphis, Monmouth, Mount Pleasant, Iowa
City, Tipton, Aledo, Washington, Carthage, Kahoka, Fort Madison,
and Hennepin
306 AM CST Wed Dec 10 2025

...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS MORNING...

* WHAT...West to northwest winds 20 to 30 mph with gusts between 45 
  to 55 mph expected, highest west-southwest of the Quad Cities.

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

* WHEN...Until 9 AM CST this morning.

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

* ADDITIONAL DETAILS...The very strong west to northwest winds may 
  be accompanied by snow showers or periods of light snow resulting 
  in reduced visibilities. Additionally, blowing and drifting snow 
  is possible in open and rural areas, especially along and north of 
  I-80 in eastern Iowa.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Secure outdoor objects.

&&

$$

Gibbs

322 
WWUS73 KDVN 101502
NPWDVN

URGENT - WEATHER MESSAGE
National Weather Service Quad Cities IA IL
902 AM CST Wed Dec 10 2025

IAZ063>068-076>078-087>089-098-099-ILZ009-015>018-024>026-034-035-
MOZ009-010-101615-
/O.EXP.KDVN.WI.Y.0010.000000T0000Z-251210T1500Z/
Iowa-Johnson-Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-
Louisa-Jefferson-Henry IA-Des Moines-Van Buren-Lee-Whiteside-Rock
Island-Henry IL-Bureau-Putnam-Mercer-Henderson-Warren-Hancock-
McDonough-Scotland-Clark-
Including the cities of Davenport, Kahoka, Tipton, Hennepin,
Keosauqua, Muscatine, Macomb, Moline, Oquawka, Geneseo,
Bettendorf, Princeton, Mount Pleasant, Washington, Fairfield,
Iowa City, Aledo, Monmouth, Sterling, Rock Island, Clinton,
Burlington, Memphis, Sigourney, Marengo, Wapello, Carthage, and
Fort Madison
902 AM CST Wed Dec 10 2025

...WIND ADVISORY HAS EXPIRED...

Gusty north to northwest winds between 30 to 40 mph will continue 
into early this afternoon, but with most locations staying below 45 
mph. Therefore, the Wind Advisory has been allowed to expire.

$$

Uttech

Area Forecast Discussion
National Weather Service Quad Cities IA IL
1214 PM CST Tue Dec 9 2025

.KEY MESSAGES...

- Freezing rain possible during evening commute today,
  especially across northwest Illinois and extreme eastern Iowa
  mainly along/north of Hwy 30.

- Vigorous snow showers and the possibility of snow squalls will
  accompany a strong cold frontal passage overnight/early
  Wednesday morning.

- Windy conditions tonight/Wednesday with peak gusts possibly
  45-50+ mph timed for a several hour period after a cold front
  moves through.

- Additional clipper systems will likely result in periods of
  accumulating snow Thursday through Sunday.

- Temperatures will drop for the weekend with wind chills well
  below zero Friday and Saturday night.

&&

.SHORT TERM /THROUGH WEDNESDAY/...
Issued at 341 AM CST Tue Dec 9 2025

Initial clipper system and attendant WAA wing of light snow has moved
off to the east early this morning. Lingering low stratus extends
across parts of NE Iowa and N Illinois and monitoring for any
freezing drizzle potential in continued WAA. However, saturation
depth is in question and higher ceilings generally show to where
this potential seems very low, but non-zero at this time.

Meanwhile, upstream the next clipper system is diving southeast
toward the Northern Plains early this morning. This system will
deepen as it dives through the Upper Midwest tonight/early
Wednesday with ensemble and deterministic guidance in decent
agreement on a sub 990 mb surface low tracking from MN through WI.
There remains continued uncertainty with how warm temps will get
today given the snow cover and cloud cover, particularly across
the north. Have continued to follow toward cooler raw models for
highs today versus warmer NBM, especially across the northern
counties. Thus, have temps only into the lower 30s there, but low to
mid 40s far south. WAA wing of precipitation is anticipated to
push through the cwa late today through this evening, with soundings
generally supportive of limited ice to where the bulk of the
precipitation is expected to fall in the form of rain. Surface temps
will be critical for freezing rain potential, and with the freezing
line anticipated to be in our north this would support areas
near/north of Hwy 30 with the best chance for a transient period of
freezing rain leading to potential for some slippery travel for the
evening commute. Thus, have opted for a Winter Weather Advisory for
much of the area north of Hwy 30.

Ahead of the clipper this evening we'll see south winds turn more
westerly and turn gusty with gusts over 30+ mph and temperatures
continuing to warm ahead of an attendant cold front, thus the
freezing rain potential looks to be rather fleeting at only a
couple hours at any one location across our northern counties.

Overnight into Wednesday morning we'll see a strong cold front
sweep across the area. Some of the hi-res guidance is supporting
the potential for some robust snow showers and possibly snow squalls
accompanying the front given some weak surface based instability and
saturation coupled with with lapse rates reaching well into the DGZ.
Momentum transfer supports potential for some gusty winds possibly
over 40-45+ mph leading to sharply reduced visibilities and possibly
a quick minor coating of snow. After the front and snow showers
sweep through, the signal remains for at least advisory criteria
winds through the morning on Wednesday with strong CAA and
impressive 50+ kt winds at 850 mb along with a unidirectional
profile and steep lapse rate environment. Question is what's the
best approach for a headline given the complex nature of the setup
between transient short period of impactful snow showers/squalls,
and concerns for ground blizzard - mainly with neighbors north/west.
In terms of the ground blizzard the feeling is age of recent added
snow (3 days) coupled with warming at or above freezing all
locations briefly this evening/tonight and also some light
rain/freezing rain may work in tandem to limit this potential in our
region. Bottom line, since we've still got some time wanted to allow
for that to continue to assess and nail down the risk and appropriate
headline(s).

&&

.LONG TERM /WEDNESDAY NIGHT THROUGH MONDAY/...
Issued at 341 AM CST Tue Dec 9 2025

The pattern looks to remain active throughout the period with
clipper systems bringing precip chances about every couple of
days or so. With that, the deterministic models and ensembles
are starting to converge on the next clipper and snow chance
arriving by Thursday night. Amounts look to be light with this
system. Arctic air will follow by the weekend. There is a signal
for a stronger clipper system potentially on Saturday, which
combined with colder SLRs in the arctic airmass may result in
the potential for several inches of accumulation for parts of
the area. Blustery winds will also accompany the arctic air and
could result in wind chills potentially nearing -25F at times
across our northern counties over the weekend.

&&

.AVIATION /18Z TAFS THROUGH 18Z WEDNESDAY/...
Issued at 1158 AM CST Tue Dec 9 2025

Active weather expected in this TAF period with strong winds,
LLWS, periods of light precipitation and low clouds. Light
freezing rain is possible this evening, mainly at DBQ with
temperatures initially around freezing before warming into
tonight. A strong area of low pressure will pass to the north
across Wisconsin tonight and bring a cold front through the
area, leading to very strong WNW to NW winds up to 35 - 45 kts
into Wednesday AM. The gusty winds will likely be accompanied by
a period of either snow showers or a steadier light snow,
resulting in visibility reductions to MVFR/IFR; expect
prevailing MVFR ceilings at all the terminals later tonight into
Wednesday AM, and IFR possible at DBQ. Additionally, blowing
snow could become a concern at CID with low confidence on the
impact to visibility at this time.

&&

.DVN WATCHES/WARNINGS/ADVISORIES...
IA...Winter Weather Advisory from 6 PM this evening to midnight CST
     tonight for IAZ040>042-051>054.
IL...Winter Weather Advisory from 6 PM this evening to midnight CST
     tonight for ILZ001-002-007.
MO...None.

&&

SHORT TERM...McClure
LONG TERM...McClure
AVIATION...Uttech

Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
455 AM CST Tue Dec 9 2025

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-101100-
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
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-
455 AM CST Tue Dec 9 2025

This Hazardous Weather Outlook is for portions of north central
Illinois...northwest Illinois...west central Illinois...east
central Iowa...northeast Iowa...southeast Iowa and northeast
Missouri.

.DAY ONE...TODAY AND TONIGHT

A Winter Weather Advisory has been issued for areas mainly along
and north of a line from Cedar Rapids to Mount Carroll for
this evening, as a period of light freezing rain may lead to
slippery travel conditions for the evening commute.

Scattered snow showers will likely accompany a cold front overnight
through daybreak on Wednesday. The combination of snowfall and
strong, gusty winds potentially over 40 mph may result in brief,
significant reductions in visibility.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

Strong northwest wind gusts of 45 mph or greater are possible
through midday on Wednesday.

There is a chance for snow Thursday and Thursday night. At this
time, snowfall amounts look to be light.

Windy conditions are expected Friday into Friday night as arctic
cold moves into the Midwest. Wind chills will approach and may
exceed 20 below zero across portions of the area Friday night and
Saturday night.

Another round of accumulating snow is possible Saturday.

.SPOTTER INFORMATION STATEMENT...

Spotter reports of snow and ice amounts and impacts are very appreciated.