• Today

    May 18

    78°Lo 58°

    Some sun with a shower; warm

    Good for stargazing
    • Cloud
      Cover
      26%
    • Precip
      18%
    • Hours of Precip
      1
  • Sun

    May 19

    82°Lo 66°

    Clouds and sunshine

    Poor for stargazing
    • Cloud
      Cover
      81%
    • Precip
      55%
    • Hours of Precip
      1
    more
  • Mon

    May 20

    87°Lo 66°

    A couple of thunderstorms

    Poor for stargazing
    • Cloud
      Cover
      68%
    • Precip
      60%
    • Hours of Precip
      4
    more
  • Tue

    May 21

    82°Lo 63°

    Strong thunderstorms

    Poor for stargazing
    • Cloud
      Cover
      84%
    • Precip
      60%
    • Hours of Precip
      8
    more
  • Wed

    May 22

    76°Lo 52°

    A couple of thunderstorms

    Poor for stargazing
    • Cloud
      Cover
      94%
    • Precip
      55%
    • Hours of Precip
      6
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
12pm
1pm 2pm 3pm 4pm 5pm 6pm 7pm
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Forecast
Showers
Partly Sunny
Partly Sunny
Showers
Mostly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°F) 73° 75° 76° 78° 77° 76° 74° 72°
RealFeel® 79° 80° 81° 81° 78° 75° 72° 68°
Humidity 63% 59% 55% 51% 52% 53% 56% 59%
   
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Rain
 
51%
 
47%
 
47%
 
51%
 
47%
 
32%
 
32%
 
23%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Wind (mph) 6 ESE 6 ESE 7 ESE 7 ESE 7 E 7 E 6 E 6 E
UV Index 7 7 7 6 4 3 1 0
Cloud Cover 37% 43% 47% 43% 25% 32% 45% 45%
Dew Point 60° 59° 59° 58° 58° 58° 58° 57°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - May 18

more Historical Weather Data >
  Today Normal Record 5/18/2012
High 78° 71° 93° (1962) 85°
Low 58° 49° 34° (2002) 53°

Solunar Information for Prospect Heights, IL

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:28 AM with 14:40 of sunlight, then sets at 8:08 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:05 PM with 12:52 of moolight, then sets at 1:57 AM

Sat, May 18
First
Sat, May 25
Full
Fri, May 31
Last
Sat, Jun 8
New

Studying Jupiter's Hot Spots

May 13, 2013; 8:01 AM ET The 'weather layer' on Jupiter has some interesting features. NASA takes a look at how these features work.

Sat. Stargazing