• Today

    Apr 19

    64°Lo 37°

    A couple of p.m. t-storms

    Very Good for stargazing
    • Cloud
      Cover
      9%
    • Precip
      5%
    • Hours of Precip
      1
  • Sun

    Apr 20

    69°Lo 41°

    Sun mixing with clouds

    Excellent for stargazing
    • Cloud
      Cover
      8%
    • Precip
      15%
    • Hours of Precip
      0
    more
  • Mon

    Apr 21

    62°Lo 33°

    Mostly sunny

    Very Good for stargazing
    • Cloud
      Cover
      4%
    • Precip
      4%
    • Hours of Precip
      0
    more
  • Tue

    Apr 22

    61°Lo 39°

    Sunny to partly cloudy

    Poor for stargazing
    • Cloud
      Cover
      72%
    • Precip
      53%
    • Hours of Precip
      1.5
    more
  • Wed

    Apr 23

    62°Lo 43°

    Rather cloudy with a t-storm

    Poor for stargazing
    • Cloud
      Cover
      71%
    • Precip
      100%
    • Hours of Precip
      4.5
    more
Next Previous
Hi 64° RealFeel® 64° Precipitation 55%

Day

N

E

S

W

  • W 12 mph
  • Gusts: 36 mph

Warmer with clouds giving way to some sun; a couple of afternoon showers and a thunderstorm

  • Max UV Index: 6 (High)
  • Thunderstorms: 40%
  • Precipitation: 0.1 in
  • Rain: 0.1 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 37° RealFeel® 39° Precipitation 5%

Night

N

E

S

W

  • WNW 3 mph
  • Gusts: 10 mph

Clear

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

Temperature History - Apr 19

more Historical Weather Data >
  Today Normal Record 4/19/2013
High 64° 59° 89° (1987) 33°
Low 37° 35° 16° (1988) 20°

Solunar Information for Summit, SD

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:36 AM with 13:43 of sunlight, then sets at 8:19 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:11 AM with 9:39 of moolight, then sets at 9:50 AM

Tue, Apr 22
Last
Tue, Apr 29
New
Wed, May 7
First
Wed, May 14
Full

Curiosity Tastes Mars

Dec 14, 2012; 5:00 AM ET The Mars Science Laboratory Rover 'Curiosity' continues its sampling and analyzing of the Martian surface.

Sat. Stargazing