• Today

    May 18

    80°Lo 59°

    A strong afternoon t-storm

    Poor for stargazing
    • Cloud
      Cover
      91%
    • Precip
      66%
    • Hours of Precip
      4.5
    more
  • Sun

    May 19

    71°Lo 53°

    Rain and a t-storm; breezy

    Poor for stargazing
    • Cloud
      Cover
      96%
    • Precip
      66%
    • Hours of Precip
      14
    more
  • Mon

    May 20

    59°Lo 45°

    Breezy and cooler with rain

    Poor for stargazing
    • Cloud
      Cover
      99%
    • Precip
      60%
    • Hours of Precip
      14.5
    more
  • Tue

    May 21

    57°Lo 43°

    A shower possible

    Poor for stargazing
    • Cloud
      Cover
      80%
    • Precip
      41%
    • Hours of Precip
      1
  • Wed

    May 22

    61°Lo 42°

    Times of clouds and sun

    Poor for stargazing
    • Cloud
      Cover
      70%
    • Precip
      19%
    • Hours of Precip
      0
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 47° 49° 50° 51° 52° 54° 55° 57°
RealFeel® 38° 41° 43° 45° 46° 48° 50° 51°
Humidity 81% 76% 73% 71% 69% 65% 63% 61%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
25%
 
25%
 
25%
 
25%
 
25%
 
25%
 
25%
 
25%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 13 N 14 N 14 N 14 N 14 N 15 N 14 N 13 N
UV Index 1 2 3 3 3 3 2 2
Cloud Cover 94% 94% 94% 94% 94% 94% 94% 94%
Dew Point 42° 41° 41° 42° 42° 42° 43° 43°
Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F

Temperature History - May 21

more Historical Weather Data >
  Today Normal Record 5/21/2012
High 57° 71° 93° (1992) 82°
Low 43° 48° 32° (1968) 49°

Solunar Information for Pierre, SD

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:08 AM with 15:00 of sunlight, then sets at 9:08 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:16 PM with 11:02 of moolight, then sets at 4:18 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.

Tue. Stargazing