TODAY SUNRISE: 6:49 AM
SUNSET: 4:26 PM
Chicagoland weather radar shows precipitation approaching in northwest Illinois at 10:04:31 AM.
Satellite images show clouds over northwest Illinois, Iowa, and southwest Wisconsin at 10:05:09 AM.
7.4 INCHES OF SNOW EXPECTED BETWEEN FRIDAY 8 PM AND SATURDAY 5 PM.
Winter Storm Warning
URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHICAGO IL 944 AM CST FRI NOV 20 2015 ...SNOW TONIGHT THROUGH SATURDAY WITH SIGNIFICANT ACCUMULATION EXPECTED IN SOME AREAS... .THE FIRST ACCUMULATING SNOW OF THE SEASON WILL UNFOLD ACROSS THE REGION BEGINNING THIS EVENING AND PERSISTING THROUGH THE DAY SATURDAY. WARM GROUND TEMPERATURES...ESPECIALLY PAVEMENT...WILL INITIALLY LIMIT ACCUMULATION ON SURFACES THIS EVENING. HOWEVER SNOWFALL RATES ARE EXPECTED TO INCREASE OVERNIGHT THROUGH SATURDAY MORNING AND WILL ALLOW FOR SNOW TO ACCUMULATE AT A QUICKER RATE. ILZ014-202345- /O.CON.KLOT.WS.W.0005.151121T0300Z-151121T2100Z/ COOK- INCLUDING THE CITY OF...CHICAGO 944 AM CST FRI NOV 20 2015 ...WINTER STORM WARNING REMAINS IN EFFECT AWAY FROM THE IMMEDIATE LAKE SHORE FROM 9 PM THIS EVENING TO 3 PM CST SATURDAY... * TIMING...A RAIN AND SNOW MIX THIS EVENING WILL TRANSITION TO A WET SNOW AND PERSIST THROUGH MID AFTERNOON ON SATURDAY. * SNOWFALL RATES...BRIEFLY HEAVY AT TIMES OVERNIGHT AND SATURDAY MORNING. * TOTAL SNOW ACCUMULATION...4 TO 8 INCHES ACROSS NORTHWESTERN COOK AWAY FROM LAKE MICHIGAN...WITH 2 TO 4 INCHES NEAR THE IMMEDIATE LAKE INCLUDING DOWNTOWN CHICAGO. * IMPACTS...POTENTIAL EXISTS FOR DIFFICULT DRIVING CONDITIONS AND SHARPLY REDUCED VISIBILITY. * THE FIRST ACCUMULATING SNOW OF THE YEAR CAN CATCH MOTORISTS OFF GUARD. ENSURE TO PLAN ACCORDINGLY AND USE EXTRA CAUTION IF TRAVELING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.
NWS POINT FORECAST …
Today
Increasing clouds, with a high near 43. West wind 10 to 15 mph becoming light and variable in the afternoon.
Tonight
Snow, possibly mixed with rain, becoming all snow after midnight. The snow could be heavy at times. Low around 32. Light and variable wind becoming east 10 to 15 mph in the evening. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Saturday
Snow, mainly before 3pm. The snow could be heavy at times. Temperature rising to near 33 by 8am, then falling to around 29 during the remainder of the day. Breezy, with an east wind 10 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 13. Wind chill values as low as -1. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
Mostly sunny, with a high near 26. Southwest wind around 10 mph, with gusts as high as 15 mph.
AIRPORT WEATHER OBSERVATIONS …
Location | Time (cdt) |
Sky/Weather | Temp. (ºF) |
Dewpt. (ºF) |
Humidity (%) |
Wind (mph) |
Pressure (in) |
|
---|---|---|---|---|---|---|---|---|
Chicago/O’Hare | 10:51 | Partly Cloudy | 37 | 14 | 39 | W 14 | 30.27 | |
Chicago Midway Airport | 10:53 | Partly Cloudy | 39 | 14 | 36 | W 15 | 30.29 | |
Chicago Executive Airport | 10:52 | Fair | 39 | 12 | 33 | W 9 G 20 | 30.28 | |
Chicago / West Chicago, Dupage Airport | 10:52 | Fair | 38 | 16 | 41 | W 16 | 30.28 | |
Aurora Municipal Airport | 10:52 | Partly Cloudy | 39 | 23 | 53 | W 14 | 30.30 | |
Gary Chicago International | 10:45 | Mostly Cloudy | 39 | 9 | 28 | W 14 | 30.30 | |
Kenosha Regional Airport | 10:53 | Fair | 35 | 15 | 44 | W 14 G 23 | 30.24 | |
Chicago / Waukegan, Waukegan Regional Airport | 10:55 | Fair | 36 | 14 | 40 | Vrbl 7 | 30.24 | |
Lansing Municipal Airport | 10:55 | Fair | 39 | 16 | 40 | W 13 | 30.31 | |
Click on location name for the weather during the past two days at that site. |
CHICAGO EXECUTIVE AIRPORT …
D a t e |
Time (cst) |
Wind (mph) |
Vis. (mi.) |
Weather | Sky Cond. | Temperature (ºF) | Relative Humidity |
Wind Chill (°F) |
Heat Index (°F) |
Pressure | Precipitation (in.) | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Air | Dwpt | 6 hour | altimeter (in) |
sea level (mb) |
1 hr | 3 hr | 6 hr | ||||||||||
Max. | Min. | ||||||||||||||||
20 | 09:52 | W 9 G 20 | 10.00 | Fair | CLR | 39 | 12 | 33% | 33 | NA | 30.28 | 1025.9 | |||||
20 | 08:52 | W 10 | 10.00 | Fair | CLR | 36 | 13 | 39% | 29 | NA | 30.26 | 1025.2 | |||||
20 | 07:52 | W 9 | 10.00 | Fair | CLR | 34 | 15 | 46% | 27 | NA | 30.26 | 1025.2 | |||||
20 | 06:52 | W 8 | 10.00 | Fair | CLR | 31 | 17 | 56% | 24 | NA | 30.23 | 1024.4 | |||||
20 | 05:52 | SW 6 | 10.00 | Fair | CLR | 32 | 16 | 36 | 32 | 52% | 26 | NA | 30.21 | 1023.7 | |||
20 | 04:52 | SW 10 | 10.00 | Fair | CLR | 33 | 16 | 49% | 25 | NA | 30.18 | 1022.7 | |||||
20 | 03:52 | SW 9 | 10.00 | Fair | CLR | 33 | 17 | 52% | 25 | NA | 30.18 | 1022.4 | |||||
20 | 02:52 | W 8 | 10.00 | Fair | CLR | 34 | 15 | 46% | 27 | NA | 30.16 | 1021.9 | |||||
20 | 01:52 | W 13 G 21 | 10.00 | Fair | CLR | 35 | 17 | 48% | 26 | NA | 30.15 | 1021.4 | |||||
20 | 00:52 | W 12 G 24 | 10.00 | Fair | CLR | 36 | 16 | 44% | 28 | NA | 30.13 | 1020.7 | |||||
19 | 23:52 | W 14 G 22 | 10.00 | Fair | CLR | 36 | 17 | 39 | 36 | 46% | 27 | NA | 30.12 | NA | |||
19 | 22:52 | SW 12 | 10.00 | Fair | CLR | 36 | 18 | 48% | 28 | NA | 30.10 | NA | |||||
19 | 21:52 | SW 12 | 10.00 | Fair | CLR | 36 | 20 | 52% | 28 | NA | 30.09 | 1019.4 | |||||
19 | 20:52 | SW 10 | 10.00 | Fair | CLR | 37 | 20 | 50% | 30 | NA | 30.08 | 1019.2 | |||||
19 | 19:52 | SW 13 | 10.00 | Fair | CLR | 37 | 20 | 50% | 29 | NA | 30.08 | 1019.0 | |||||
19 | 18:52 | W 12 | 10.00 | Fair | CLR | 38 | 19 | 46% | 30 | NA | 30.07 | 1018.6 | |||||
19 | 17:52 | W 16 G 23 | 10.00 | Fair | CLR | 39 | 18 | 43 | 39 | 43% | 30 | NA | 30.05 | 1018.0 | |||
19 | 16:52 | W 18 G 33 | 10.00 | Fair | CLR | 40 | 17 | 40% | 31 | NA | 30.02 | 1016.8 | |||||
19 | 15:52 | W 15 G 28 | 10.00 | Mostly Cloudy | BKN065 | 41 | 18 | 39% | 33 | NA | 29.99 | 1015.8 | |||||
19 | 14:52 | W 22 G 32 | 10.00 | Mostly Cloudy and Breezy | BKN060 | 42 | 19 | 40% | 33 | NA | 29.97 | 1015.1 | |||||
19 | 13:52 | W 28 G 44 | 10.00 | A Few Clouds and Windy | FEW060 | 42 | 16 | 35% | 32 | NA | 29.95 | 1014.5 | |||||
19 | 12:52 | W 25 G 33 | 10.00 | Fair and Breezy | CLR | 43 | 17 | 35% | 33 | NA | 29.92 | 1013.7 | |||||
19 | 11:52 | NA | NA | Fair | CLR | NA | NA | NA | NA | NA | 29.91 | NA | |||||
19 | 09:52 | W 18 G 28 | 10.00 | Fair | CLR | 41 | 24 | 51% | 32 | NA | 29.89 | 1012.6 | |||||
19 | 08:52 | W 22 G 31 | 10.00 | Fair and Breezy | CLR | 41 | 27 | 57% | 31 | NA | 29.86 | 1011.4 | |||||
19 | 07:52 | W 18 G 25 | 10.00 | Fair | CLR | 41 | 27 | 57% | 32 | NA | 29.83 | 1010.5 | |||||
19 | 06:52 | W 17 G 32 | 10.00 | A Few Clouds | FEW035 FEW045 | 42 | 29 | 60% | 34 | NA | 29.78 | 1008.8 | |||||
19 | 05:52 | W 20 G 29 | 10.00 | Overcast | BKN026 OVC037 | 45 | 37 | 48 | 45 | 74% | 37 | NA | 29.74 | 1007.2 | |||
19 | 04:52 | SW 13 G 21 | 10.00 | Overcast | SCT021 BKN044 OVC055 | 45 | 40 | 83% | 39 | NA | 29.72 | 1006.5 | |||||
19 | 03:52 | SW 14 G 22 | 10.00 | Overcast | BKN025 OVC044 | 46 | 39 | 77% | 40 | NA | 29.70 | 1005.9 | |||||
19 | 02:52 | SW 13 | 10.00 | Partly Cloudy | FEW030 SCT038 SCT120 | 45 | 38 | 77% | 39 | NA | 29.69 | 1005.4 | |||||
19 | 01:52 | SW 14 | 10.00 | Fair | CLR | 46 | 38 | 73% | 40 | NA | 29.68 | 1005.0 | |||||
19 | 00:52 | SW 10 | 10.00 | A Few Clouds | FEW050 | 47 | 38 | 71% | 42 | NA | 29.66 | 1004.3 |
MORE HELPFUL LINKS …
LIVE RADAR | STORM TRACKS | UNISYS US IR SAT | UNISYS Midwest IR SAT | UNISYS More IR SAT
WunderMap® with Temperature/Wind Data || Google: Arlington Heights Temps | NE Illinois Temps
Full Screen Motion Weather Radar (Wunderground.com)
Midwest Cloud Cover with Arlington Heights Weather Forecast | SWPC Aurora Forecast
ChicagoWeatherStation.com I O’Hare Normal Temps/Precip I O’Hare Record Temps, Precip, Snow
SUNLIGHT DATA FOR SECURITY, TRAFFIC SAFETY, AND SPORTS
SunCalc.net data with solar azimuth and trajectory, times for dawn, sunrise, solar noon, sunset, dusk …
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Arlington Heights weather forecast, Arlington Heights Illinois weather forecast, weather forecast, WINTER STORM WARNING