TODAY SUNRISE: 5:31 AM SUNSET: 8:24 PM
Chicagoland weather radar is all clear at about 11:48 AM.
Satellite images show most of Illinois under sunny skies at 11:48 AM.
Heat Advisory
URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHICAGO IL 1045 AM CDT FRI JUL 17 2015 ILZ014-172345- /O.NEW.KLOT.HT.Y.0002.150718T1500Z-150719T0100Z/ COOK- INCLUDING THE CITY OF...CHICAGO 1045 AM CDT FRI JUL 17 2015 ...HEAT ADVISORY IN EFFECT FROM 10 AM TO 8 PM CDT SATURDAY... THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A HEAT ADVISORY...WHICH IS IN EFFECT FROM 10 AM TO 8 PM CDT SATURDAY. * HIGH TEMPERATURES...MIDDLE 90S. * PEAK HEAT INDICES...105 TO 110 DEGREES. * IMPACTS...THE COMBINATION OF HEAT AND HUMIDITY WILL CREATE OPPRESSIVE CONDITIONS WHICH MAY CAUSE HEAT RELATED ILLNESSES TO DEVELOP DUE TO PROLONGED EXPOSURE...PARTICULARLY THE ELDERLY AND THOSE WITH PRE-EXISTING HEALTH CONDITIONS. FOR HEAT RELATED SERVICES WITHIN THE CITY OF CHICAGO...INCLUDING REQUESTING WELL BEING CHECKS...DIAL 3...1...1. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE EXTRA PRECAUTIONS...IF YOU WORK OR SPEND TIME OUTSIDE. WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. TO REDUCE RISK DURING OUTDOOR WORK...THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN EMERGENCY...CALL 9 1 1. A HEAT ADVISORY MEANS THAT A PERIOD OF HOT WEATHER IS EXPECTED. HIGH TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. DRINK PLENTY OF FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN... AND CHECK UP ON RELATIVES AND NEIGHBORS. CHILDREN AND PETS SHOULD NEVER BE LEFT UNATTENDED IN VEHICLES UNDER ANY CIRCUMSTANCES. THIS IS ESPECIALLY TRUE DURING HOT WEATHER WHEN THE CAR INTERIOR CAN REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES!
NWS POINT FORECAST …
Detailed Forecast
Today
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 91. Heat index values as high as 100. West wind around 10 mph, with gusts as high as 15 mph.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 73. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday
Mostly sunny, with a high near 94. Heat index values as high as 103. South southwest wind 5 to 15 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday Night
Partly cloudy, with a low around 66.
Monday
Mostly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 66.
AIRPORT WEATHER OBSERVATIONS …
| Location | Time (cdt) |
Sky/Weather | Temp. (ºF) |
Dewpt. (ºF) |
Humidity (%) |
Wind (mph) |
Pressure (in) |
|
|---|---|---|---|---|---|---|---|---|
| Chicago/O’Hare | 10:51 | Partly Cloudy | 84 | 74 | 72 | W 10 | 29.78 | |
| Chicago Midway Airport | 10:53 | A Few Clouds | 86 | 74 | 67 | W 9 | 29.79 | |
| Chicago Executive Airport | 10:52 | Fair | 85 | 73 | 68 | SW 7 | 29.79 | |
| Chicago / West Chicago, Dupage Airport | 10:52 | A Few Clouds | 84 | 75 | 74 | W 7 | 29.80 | |
| Aurora Municipal Airport | 10:52 | Partly Cloudy | 84 | 75 | 74 | SW 8 | 29.80 | |
| Gary Chicago International | 10:45 | Clear | 86 | 75 | 70 | W 8 | 29.80 | |
| Kenosha Regional Airport | 10:53 | Partly Cloudy | 84 | 75 | 74 | W 10 | 29.77 | |
| Chicago / Waukegan, Waukegan Regional Airport | 10:55 | A Few Clouds | 83 | 75 | 77 | Vrbl 6 | 29.77 | |
| Lansing Municipal Airport | 11:35 | Partly Cloudy | 86 | 72 | 63 | SW 9 | 29.80 | |
| Click on location name for the weather during the past two days at that site. | ||||||||
CHICAGO EXECUTIVE AIRPORT …
| D a t e |
Time (cdt) |
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. | ||||||||||||||||
| 17 | 10:52 | SW 7 | 10.00 | Fair | CLR | 85 | 73 | 68% | NA | 92 | 29.79 | 1008.3 | |||||
| 17 | 09:52 | W 7 | 10.00 | Fair | CLR | 82 | 72 | 72% | NA | 87 | 29.80 | 1008.5 | |||||
| 17 | 08:52 | W 8 | 10.00 | A Few Clouds | FEW031 | 79 | 72 | 79% | NA | 82 | 29.79 | 1008.4 | |||||
| 17 | 07:52 | SW 6 | 10.00 | Fair | CLR | 76 | 71 | 85% | NA | 77 | 29.79 | 1008.5 | |||||
| 17 | 06:52 | S 6 | 10.00 | Fair | CLR | 73 | 70 | 73 | 71 | 90% | NA | NA | 29.78 | 1008.0 | |||
| 17 | 05:52 | S 3 | 8.00 | A Few Clouds | FEW012 | 72 | 70 | 94% | NA | NA | 29.77 | 1007.8 | |||||
| 17 | 04:52 | S 5 | 9.00 | Fair | CLR | 72 | 70 | 94% | NA | NA | 29.77 | 1007.5 | |||||
| 17 | 03:52 | SW 6 | 10.00 | Mostly Cloudy | BKN048 BKN055 | 73 | 70 | 90% | NA | NA | 29.76 | 1007.4 | |||||
| 17 | 02:52 | SW 10 | 7.00 | Mostly Cloudy | BKN010 | 73 | 70 | 90% | NA | NA | 29.77 | 1007.6 | |||||
| 17 | 01:52 | S 8 | 5.00 | Fog/Mist | FEW013 BKN039 BKN046 | 72 | 70 | 94% | NA | NA | 29.78 | 1007.9 | |||||
| 17 | 00:52 | S 6 | 3.00 | Fog/Mist | BKN015 OVC019 | 71 | 69 | 71 | 65 | 94% | NA | NA | 29.80 | 1008.6 | 0.61 | ||
| 16 | 23:52 | S 3 | 5.00 | Fog/Mist | BKN019 OVC024 | 70 | 68 | 93% | NA | NA | 29.81 | 1009.0 | |||||
| 16 | 22:52 | SW 5 | 7.00 | Overcast | FEW006 BKN013 OVC027 | 68 | 65 | 90% | NA | NA | 29.83 | 1009.7 | 0.18 | ||||
| 16 | 21:52 | SE 6 | 2.50 | Thunderstorm in Vicinity Rain Fog/Mist | SCT033 BKN043 OVC065 | 66 | 63 | 90% | NA | NA | 29.84 | 1010.0 | 0.16 | 0.43 | |||
| 16 | 20:52 | SE 10 | 10.00 | Overcast | FEW030 BKN037 OVC055 | 66 | 63 | 90% | NA | NA | 29.85 | 1010.7 | 0.01 | ||||
| 16 | 19:52 | E 8 | 4.00 | Light Rain Fog/Mist | FEW031 SCT040 OVC049 | 65 | 63 | 93% | NA | NA | 29.87 | 1011.2 | 0.26 | ||||
| 16 | 18:52 | E 3 | 9.00 | Light Rain | FEW029 BKN060 OVC120 | 67 | 64 | 75 | 66 | 91% | NA | NA | 29.87 | 1011.4 | 0.09 | 0.25 | |
| 16 | 17:52 | E 6 | 2.50 | Rain Fog/Mist | FEW032 BKN060 OVC080 | 68 | 65 | 90% | NA | NA | 29.91 | 1012.6 | 0.15 | ||||
| 16 | 16:52 | SE 5 | 8.00 | Light Rain | OVC100 | 74 | 63 | 69% | NA | NA | 29.92 | 1012.8 | 0.01 | ||||
| 16 | 15:52 | SE 13 | 10.00 | Mostly Cloudy | BKN100 | 74 | 61 | 64% | NA | NA | 29.90 | 1012.1 | |||||
| 16 | 14:52 | SE 10 | 10.00 | Partly Cloudy | FEW070 SCT100 SCT110 | 73 | 60 | 64% | NA | NA | 29.89 | 1012.0 | |||||
| 16 | 13:52 | S 13 | 10.00 | Mostly Cloudy | BKN110 | 71 | 59 | 66% | NA | NA | 29.95 | 1014.0 | |||||
| 16 | 12:52 | S 13 | 10.00 | Fair | CLR | 70 | 61 | 71 | 62 | 73% | NA | NA | 29.99 | 1015.3 | 0.02 | ||
| 16 | 11:52 | S 9 | 10.00 | A Few Clouds | FEW080 FEW120 | 69 | 62 | 78% | NA | NA | 30.01 | 1016.2 | |||||
| 16 | 10:52 | S 6 | 10.00 | Overcast | FEW060 OVC090 | 66 | 62 | 87% | NA | NA | 30.03 | 1016.8 | 0.02 | ||||
| 16 | 09:52 | SW 10 | 7.00 | Light Rain | BKN080 BKN095 OVC110 | 67 | 60 | 79% | NA | NA | 30.05 | 1017.4 | |||||
| 16 | 08:52 | S 6 | 10.00 | Mostly Cloudy | SCT032 BKN110 | 67 | 59 | 76% | NA | NA | 30.04 | 1016.8 | |||||
| 16 | 07:52 | Calm | 10.00 | Partly Cloudy | SCT120 | 64 | 58 | 81% | NA | NA | 30.03 | 1016.5 | |||||
| 16 | 06:52 | NE 3 | 10.00 | Fair | CLR | 62 | 56 | 62 | 58 | 80% | NA | NA | 30.03 | 1016.8 | |||
| 16 | 05:52 | Calm | 10.00 | Fair | CLR | 61 | 55 | 81% | NA | NA | 30.04 | 1016.9 | |||||
| 16 | 04:52 | E 3 | 10.00 | Fair | CLR | 60 | 54 | 80% | NA | NA | 30.03 | 1016.8 | |||||
| 16 | 03:52 | Calm | 10.00 | Fair | CLR | 61 | 54 | 78% | NA | NA | 30.04 | 1016.9 | |||||
| 16 | 02:52 | Calm | 10.00 | Fair | CLR | 60 | 54 | 80% | NA | NA | 30.04 | 1017.1 | |||||
| 16 | 01:52 | N 3 | 10.00 | Mostly Cloudy | BKN032 | 59 | 54 | 83% | NA | NA | 30.06 | 1017.6 | |||||
| 16 | 00:52 | Calm | 10.00 | Fair | CLR | 59 | 53 | 67 | 59 | 81% | NA | NA | 30.05 | 1017.2 | |||
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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