• Today

    May 20

    87°Lo 66°

    Strong t-storms, mainly later

    Poor for stargazing
    • Cloud
      Cover
      76%
    • Precip
      65%
    • Hours of Precip
      6.5
    more

  • Tue

    May 21

    83°Lo 61°

    Strong thunderstorms

    Poor for stargazing
    • Cloud
      Cover
      76%
    • Precip
      60%
    • Hours of Precip
      6

  • Wed

    May 22

    76°Lo 50°

    A couple of thunderstorms

    Poor for stargazing
    • Cloud
      Cover
      95%
    • Precip
      58%
    • Hours of Precip
      6
    more

  • Thu

    May 23

    62°Lo 42°

    Cooler with a shower

    Good for stargazing
    • Cloud
      Cover
      19%
    • Precip
      6%
    • Hours of Precip
      1.5
    more

  • Fri

    May 24

    68°Lo 41°

    Mostly sunny and warmer

    Good for stargazing
    • Cloud
      Cover
      1%
    • Precip
      11%
    • Hours of Precip
      0
    more
Next Previous
Hi 83° RealFeel® 84° Precipitation 65%

Day

N

E

S

W

  • SW 11 mph
  • Gusts: 18 mph

Watch for strong thunderstorms; mostly cloudy and remaining warm

  • Max UV Index: 6 (High)
  • Thunderstorms: 91%
  • Precipitation: 0.6 in
  • Rain: 0.6 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 4 hrs
  • Hours of Rain: 4 hrs
Lo 61° RealFeel® 58° Precipitation 60%

Night

N

E

S

W

  • S 5 mph
  • Gusts: 12 mph

Mostly cloudy and mild with a couple of showers and a thunderstorm

  • Max UV Index: N/A
  • Thunderstorms: 40%
  • Precipitation: 0.18 in
  • Rain: 0.18 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs

Temperature History - May 21

more Historical Weather Data >
  Today Normal Record 5/21/2012
High 83° 73° 90° (1977) 66°
Low 61° 50° 33° (2002) 45°

Solunar Information for Romeoville, IL

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:28 AM with 14:43 of sunlight, then sets at 8:11 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:21 PM with 11:12 of moolight, then sets at 3:33 AM

Sat, May 25
Full
Fri, May 31
Last
Sat, Jun 8
New
Sun, Jun 16
First

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.

Tue. Stargazing