Waukegan, Illinois Weather Conditions

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Current Conditions

  • 67°
  • Mostly Cloudy
  • Wind: East 5 mph
  • Humidity: 100%
  • Visibility: 3.0 miles
  • Dew Point: 67°
  • Pressure: 30.07 in. -

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Next 12 Hours

7  am
10  am
1  pm
4  pm
7  pm
Overcast
Overcast
Mostly Cloudy
Mostly Cloudy
Chance of a Thunderstorm
Chance of T-storms
Partly Cloudy
Partly Cloudy
Clear
Clear
67°
75°
83°
85°
79°
Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Saturday
  • Chance of a Thunderstorm
  • High: 87 °
  • Low: 70 °
  • Chance of T-Storms
  • Sunday
  • Partly Cloudy
  • High: 90 °
  • Low: 71 °
  • Partly Cloudy
  • Monday
  • Chance of a Thunderstorm
  • High: 84 °
  • Low: 68 °
  • Chance of T-Storms
  • Tuesday
  • Chance of a Thunderstorm
  • High: 78 °
  • Low: 62 °
  • Chance of T-Storms
  • Wednesday
  • Partly Cloudy
  • High: 76 °
  • Low: 61 °
  • Partly Cloudy

Forecast for Waukegan, Illinois

Updated: 3:22 am CDT on September 5, 2015

  • Today

    Partly cloudy with a 20 percent chance of showers and thunderstorms. Highs in the upper 80s inland...but only in the mid 80s near the lake. South winds 5 to 10 mph.

  • Tonight

    Mostly clear. Patchy fog after midnight. Lows around 70. South winds 5 to 10 mph.

  • Sunday

    Mostly sunny. Patchy fog early in the morning. Highs in the lower 90s inland...but only in the upper 80s near the lake. South winds 10 to 15 mph.

  • Sunday Night

    Mostly clear in the evening then becoming partly cloudy. Lows in the lower 70s. South winds 10 to 15 mph.

  • Labor Day

    Mostly cloudy. Showers and thunderstorms likely in the morning...then a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Southwest winds 10 to 15 mph. Chance of precipitation 60 percent.

  • Monday Night

    Showers and thunderstorms likely. Lows in the upper 60s. Chance of precipitation 60 percent.

  • Tuesday

    Showers and thunderstorms likely. Highs in the upper 70s. Chance of precipitation 70 percent.

  • Tuesday Night

    Mostly cloudy with a 30 percent chance of showers and thunderstorms. Lows in the lower 60s.

  • Wednesday through Thursday

    Partly cloudy. Highs in the upper 70s. Lows in the lower 60s.

  • Thursday Night

    Partly cloudy with a 30 percent chance of showers and thunderstorms. Lows in the lower 60s.

  • Friday

    Partly sunny with a 30 percent chance of showers and thunderstorms. Highs around 70.

Personal Weather Stations

Personal Weather Stations [Add your weather station!]

Location: North Side, Waukegan, Waukegan, IL

Updated: 7:13 AM CDT

Temperature: 69.1 °F Dew Point: 67 °F Humidity: 93% Wind: Calm Pressure: 29.93 in Hourly Precipitation: 0.00 in Graphs

Location: Framingham Court, Waukegan, IL

Updated: 7:11 AM CDT

Temperature: 67.8 °F Dew Point: 68 °F Humidity: 99% Wind: North at - Pressure: 30.04 in Hourly Precipitation: 0.00 in Graphs

Location: NE North Chicago, North Chicago, IL

Updated: 7:02 AM CDT

Temperature: 68.4 °F Dew Point: 68 °F Humidity: 99% Wind: Calm Pressure: 29.97 in Hourly Precipitation: - Graphs

Location: The Pines of Gurnee, Gurnee, IL

Updated: 7:14 AM CDT

Temperature: 67.5 °F Dew Point: 67 °F Humidity: 99% Wind: Calm Pressure: 29.89 in Hourly Precipitation: 0.00 in Graphs

Location: The Pines, Gurnee, IL

Updated: 7:07 AM CDT

Temperature: 66.7 °F Dew Point: 66 °F Humidity: 97% Wind: Calm Pressure: 29.96 in Hourly Precipitation: - Graphs

Location: Westgate, Gurnee, IL

Updated: 7:13 AM CDT

Temperature: 68.2 °F Dew Point: 67 °F Humidity: 97% Wind: Calm Pressure: 29.92 in Hourly Precipitation: 0.00 in Graphs

Location: Jerry's South Central Zion 2, Zion, IL

Updated: 7:14 AM CDT

Temperature: 68.5 °F Dew Point: 66 °F Humidity: 91% Wind: Calm Pressure: 29.95 in Hourly Precipitation: 0.00 in Graphs

Location: Jerry's South Central Zion 1, Zion, IL

Updated: 7:14 AM CDT

Temperature: 69.3 °F Dew Point: 68 °F Humidity: 94% Wind: Calm Pressure: 29.96 in Hourly Precipitation: 0.00 in Graphs

Location: Reserve at the Merit Club, Libertyville, IL

Updated: 7:14 AM CDT

Temperature: 68.2 °F Dew Point: 66 °F Humidity: 94% Wind: South at 1.0 mph Pressure: 30.06 in Hourly Precipitation: 0.00 in Graphs

Location: Gage's Lake, Grayslake, IL

Updated: 6:59 AM CDT

Temperature: 66.6 °F Dew Point: 64 °F Humidity: 93% Wind: Calm Pressure: 29.81 in Hourly Precipitation: - Graphs

Location: Near West Elementary School, Zion, IL

Updated: 7:14 AM CDT

Temperature: 67.8 °F Dew Point: 66 °F Humidity: 95% Wind: NW at 1.7 mph Pressure: 30.08 in Hourly Precipitation: 0.00 in Graphs

Location: Grafton Court, Lake Bluff, IL

Updated: 7:10 AM CDT

Temperature: 68.0 °F Dew Point: 66 °F Humidity: 94% Wind: North at - Pressure: 30.26 in Hourly Precipitation: - Graphs

Location: Concord Oaks East, Gurnee, IL

Updated: 7:13 AM CDT

Temperature: 68.2 °F Dew Point: 68 °F Humidity: 98% Wind: Calm Pressure: 29.94 in Hourly Precipitation: 0.00 in Graphs

Location: West Arlington Drive, Libertyville, IL

Updated: 7:11 AM CDT

Temperature: 68.4 °F Dew Point: 67 °F Humidity: 96% Wind: North at - Pressure: 30.09 in Hourly Precipitation: - Graphs

Location: Concord Oaks - West, Gurnee, IL

Updated: 7:11 AM CDT

Temperature: 68.0 °F Dew Point: 66 °F Humidity: 92% Wind: Calm Pressure: 30.07 in Hourly Precipitation: 0.00 in Graphs

Location: Bluff Road, Lake Bluff, IL

Updated: 7:10 AM CDT

Temperature: 67.5 °F Dew Point: 66 °F Humidity: 96% Wind: North at - Pressure: 30.15 in Hourly Precipitation: - Graphs

Location: Libertyville, Illinois, Libertyville, IL

Updated: 7:07 AM CDT

Temperature: 67.1 °F Dew Point: 66 °F Humidity: 96% Wind: North at - Pressure: 29.93 in Hourly Precipitation: - Graphs

Location: West Oak Spring Road, Libertyville, IL

Updated: 7:10 AM CDT

Temperature: 67.1 °F Dew Point: 66 °F Humidity: 96% Wind: North at - Pressure: 29.93 in Hourly Precipitation: - Graphs

Location: East Scranton Avenue, Lake Bluff, IL

Updated: 7:11 AM CDT

Temperature: 68.5 °F Dew Point: 66 °F Humidity: 93% Wind: North at - Pressure: 30.11 in Hourly Precipitation: - Graphs

Location: East Lake Bluff, Lake Bluff, IL

Updated: 7:13 AM CDT

Temperature: 67.1 °F Dew Point: 62 °F Humidity: 84% Wind: Calm Pressure: 30.08 in Hourly Precipitation: 0.00 in Graphs

Location: Park Lane, Lake Bluff, IL

Updated: 7:11 AM CDT

Temperature: 67.6 °F Dew Point: 66 °F Humidity: 95% Wind: North at - Pressure: 30.15 in Hourly Precipitation: - Graphs

Location: Park Lane, Lake Bluff, IL

Updated: 7:11 AM CDT

Temperature: 69.4 °F Dew Point: 66 °F Humidity: 90% Wind: North at - Pressure: 30.04 in Hourly Precipitation: - Graphs

Location: Finstad Drive, Libertyville, IL

Updated: 7:11 AM CDT

Temperature: 68.4 °F Dew Point: 68 °F Humidity: 97% Wind: North at - Pressure: 30.10 in Hourly Precipitation: - Graphs

Location: School Street, Libertyville, IL

Updated: 7:11 AM CDT

Temperature: 69.3 °F Dew Point: 67 °F Humidity: 93% Wind: North at - Pressure: 30.13 in Hourly Precipitation: - Graphs

Location: Deerpath, Lake Villa, IL

Updated: 7:14 AM CDT

Temperature: 66.3 °F Dew Point: 66 °F Humidity: 99% Wind: Calm Pressure: 30.05 in Hourly Precipitation: 0.00 in Graphs

Location: Lorelei Acres, Zion, IL

Updated: 7:14 AM CDT

Temperature: 68.7 °F Dew Point: 68 °F Humidity: 99% Wind: NNE at 1.6 mph Pressure: 30.09 in Hourly Precipitation: 0.00 in Graphs

Location: Bull Creek, Libertyville, IL

Updated: 7:14 AM CDT

Temperature: 68.9 °F Dew Point: 68 °F Humidity: 98% Wind: Calm Pressure: 30.00 in Hourly Precipitation: 0.00 in Graphs

Location: APRSWXNET, Lake Bluff, IL

Updated: 6:53 AM CDT

Temperature: 67 °F Dew Point: 67 °F Humidity: 99% Wind: Calm Pressure: 30.00 in Hourly Precipitation: 0.00 in Graphs

Location: Country Place, Lindenhurst, IL

Updated: 7:05 AM CDT

Temperature: 66.4 °F Dew Point: 65 °F Humidity: 96% Wind: Calm Pressure: 29.97 in Hourly Precipitation: - Graphs

Location: Sunshine Subdivision, Third Lake, IL

Updated: 7:14 AM CDT

Temperature: 69.4 °F Dew Point: 67 °F Humidity: 92% Wind: Calm Pressure: 29.12 in Hourly Precipitation: 0.00 in Graphs

Location: Dawes, Libertyville, IL

Updated: 7:07 AM CDT

Temperature: 68.4 °F Dew Point: 68 °F Humidity: 99% Wind: Calm Pressure: 30.00 in Hourly Precipitation: - Graphs

Location: The Highlands, Libertyville, IL

Updated: 7:14 AM CDT

Temperature: 68.7 °F Dew Point: 67 °F Humidity: 95% Wind: Calm Pressure: 29.26 in Hourly Precipitation: 0.00 in Graphs

Location: 7th & Landon (Near Metra), Winthrop Harbor, IL

Updated: 7:10 AM CDT

Temperature: 65.8 °F Dew Point: 66 °F Humidity: 99% Wind: Calm Pressure: 30.08 in Hourly Precipitation: 0.00 in Graphs

Location: Lake Forest, IL

Updated: 6:59 AM CDT

Temperature: 68.5 °F Dew Point: 68 °F Humidity: 98% Wind: Calm Pressure: 29.34 in Hourly Precipitation: 0.00 in Graphs

MSN Maps of:

Temp: Dew Point: Humidity Wind Pressure Hr Precip -

NWS Forecaster Discussion




Area forecast discussion 
National Weather Service Chicago/Romeoville Illinois 
650 am CDT Sat Sep 5 2015 


Short term... 
249 am CDT 


Through Sunday... 


Skies have remained mainly clear early this morning...with the 
exception of a warm air advection Wing that was slowly sliding east 
across far northwest Illinois. There remains very weak instability to 
allow a few isolated showers/thunderstorms to bubble up this 
morning. The forcing within the column does not support growth or 
more organzition to the precip/convection...other than a few storms. 
There was a lobe of vorticity pivoting southeast across southwest 
wisc...however this appears to be slowing as it bumps up against the 
middle-level shortwave that was rotating over the Great Lakes. 


Temperatures have generally fallen to around 70 degree...with minimal 
spread in the dew points. This coupled with a very light gradient 
and minimal clouds has allowed patchy fog to develop. Clouds will 
thicken from west to east early this morning...with the warm air 
advection Wing...which should help inhibit the fog that develops. 
Then clouds should erode by late morning...or with just few/scattered 
coverage. Dew points will hover in the middle/upper 60s again 
today...with a light southwesterly to southerly flow. Winds above 
the surface will remain light...which should allow winds to turn onshore 
later this afternoon. 


The focus then turns towards additional isolated 
showers/thunderstorms early this afternoon through tonight. Several 
cams continue to indicate that around 19z convection may begin to 
bubble up. Winds aloft remain equally light...as any shear would be 
less than 15kt and not conducive of any stronger/severe storms this 
afternoon. Middle-level heights will begin to rise along the western 
County warning forecast area...as the downstream trough begins to weaken by late afternoon. 
Thus expect whatever showers/thunderstorms bubble up...will be 
diurnally driven and should dissipate around sunset. Highs today 
will again be unseasonably warm...topping out around 90 to the low 90s 
in a few locations. Depending on the timing of a lake breeze/onshore 
flow...areas adjacent to Lake Michigan may struggle to warm beyond 
the middle 80s. 


Middle-level trough over the region will finally dissipate late this 
evening...with heights holding in place and providing some weak 
diffluent flow. Could see fog developing given how moist the 
atmospere will become with dew points lingering in the upper 60s and 
perhaps only a few degree spread against temperatures. 


Sunday... unseasonably warm/humid conditions will persist again 
sun...with middle-level ridging holding in place across the region. Surface 
winds may be just strong enough to confine the lake breeze to the 
nearshore...or perhaps within a mile or two of the shoreline. Expect 
fog to steadily lift after daybreak sun...but could see some haze 
lingering through middle/late morning. Thermal ridge aloft will support 
temperatures earily warming to 90 across the bulk of the forecast 
area...with several hi-res guidance members leaning towards the low 
90s Sun afternoon. This coupled with dew points in the middle/upper 
60s...could lead to heat index readings of 95-98 degree Sun afternoon. 


Beachler 


&& 


Long term... 
324 am CDT 


Sunday night through Friday... 


An upper level low moves into south central Canada early next week 
and the persistent upper level ridge over the Midwest is replaced by 
a trough late next week. Two surface lows will be over southern 
Canada early next week with the eastern one quickly shifting over 
the Atlantic while the western low reaches Hudson Bay by middle week. 


Hot and humid conditions will continue through Sunday night with 
lows around 70. The western lows cold front approaches the region 
Monday with showers and thunderstorms mainly west of I-55 Monday 
morning. Guidance continues to indicate that precipitation will weaken 
during the day Monday as the front stalls and the vorticity streamer 
associated with it continues east. As such only have a chance of 
showers and storms Monday afternoon. 


A second vorticity streamer moves overhead Monday night into Tuesday so 
raised precipitation chances to likely through this period. Precipitable water values 
will top out at around 2 inches Tuesday so heavy rain is very 
possible. With the stalled front and slowly moving storms...flooding 
may occur. Precipitation then shifts along and west of I-55 Tuesday night 
with a stronger cold front swinging through Thursday. Additional 
rain is possible with the second front. 


The bigger story will be temperatures. Monday will once again be 
warm and humid with highs ranging from the low 80s along the Illinois/WI 
state line to the low 90s south of I-80. Have low confidence in 
temperatures Monday as cloud cover and rain could lead to cooler temperatures 
south of I-80. We begin a cooling trend Tuesday with highs in the 
low 70s along the Illinois/WI state line but in the upper 80s over east 
central Illinois and Northwest Indiana. Dewpoints will still be in the 70s 
across the region so Tuesday will still be muggy. Less humid 
conditions and much cooler temperatures move in behind the front late next 
week with high temperatures Friday only in the 70s. A few locations 
may struggle to get out of the 60s. 


Jee 


&& 


Aviation... 


//Ord and mdw concerns...updated 12z... 


* isolated storms through 14z...may approach Ord/mdw. Will carry thunderstorms in the vicinity 
given low coverage and likely remaining south of Ord/mdw. 


* Light south winds around 7-10kt...may turn southeast late this 
afternoon from a weak lake breeze. 


* Possible afternoon isolated storms...will just carry vcsh at 
this time given such low coverage. 


* Additional fog development late tonight...may reduce visibilities to 
around 3-5sm west of Ord/mdw. 


Beachler 


//discussion...updated 12z... 


Isolated thunderstorms developed early this morning southwest and 
northeast of Ord/mdw. No immediate impact to taf sites...however 
may cause some problems for arrivals from the south and east through 
14z. Satellite imagery indicates clouds are warming with height 
further west...which suggests the Narrow Channel of rain over the 
miss river will weaken. The better organized cluster or storms was 
south or mdw/gyy...and drifting southeast. This round of storms 
should dissipate by 14z. 


Winds will generally remain from the south around 7-10kt...then as 
the day progresses winds may turn southeast with speeds hovering 
around 8-10kt through midday. 


Several hi-resolution guidance indicating additional isolated 
showers or storms developing after 18z. Since coverage is expected 
to be so low and even the confidence is low that it would impact 
the airfields...have opted to pull the prob30 group and limit with 
a vcsh. This may need to be revised later this morning as 
confidence could increase with respect to timing/coverage. 


Beachler 




//Ord and mdw confidence...updated 12z... 


* high confidence in wind dir/speed...medium confidence in lake 
breeze developing. 


* High confidence in isolated showers/thunderstorms 
developing...but very low confidence in timing/coverage. 


Beachler 


//outlook for Ord/mdw for 00z Monday-12z Saturday...updated 12z... 


Sunday night...mainly VFR. Slight chance of thunderstorms and rain late. 
Monday...chance of thunderstorms and rain. Southwest winds. 
Tuesday...thunderstorms and rain likely. Southwest winds. 
Wednesday...chance of thunderstorms and rain. Northeast winds. 
Thursday...slight chance of rain showers. North winds. 
Friday...slight chance of tsra/shra. 


Beachler 


&& 


Marine... 
249 am CDT 


High pressure will remain centered over the middle-Atlantic 
region...with a light gradient and southwest to south flow over 
Lake Michigan. High pressure will begin to drift east...with a 
large trough of low pressure over the northern plains pivoting 
east and strengthening. The gradient will become more evident 
Sunday as the winds increase over the northern portion of the 
lake...with speeds between 15-25kt expected from the southwest. 
Low pressure will lift north into Manitoba and weaken...with a 
trailing frontal boundary stalling across the northern portions of 
Lake Michigan Monday afternoon/evening. Then a series of weak low 
pressures will ride along this weak frontal boundary...helping to 
slowly push the front to the east/southeast by the middle of next 
week. High pressure will arrive for the central/northern portions 
of the lake Tuesday night/Wednesday...with winds turning 
northeast. Confidence in timing of the frontal boundary clearing 
Lake Michigan remains low. 


Beachler 


&& 


Lot watches/warnings/advisories... 
Illinois...none. 
In...none. 
Lm...none. 
&& 


$$ 


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