• Today

    Aug 20

    24°Lo 16°

    Thunderstorms this afternoon

    Fair for driving
    • Precip
      70%
    • Hours of Precip
      7.5
    • Rain
      18 mm
    more
  • Thu

    Aug 21

    21°Lo 10°

    Not as warm with a t-storm

    Good for driving
    • Precip
      56%
    • Hours of Precip
      1.5
    • Rain
      3 mm
  • Fri

    Aug 22

    19°Lo 8°

    A couple of thunderstorms

    Good for driving
    • Precip
      61%
    • Hours of Precip
      3
    • Rain
      6 mm
    more
  • Sat

    Aug 23

    13°Lo 8°

    Rain and a t-storm; cooler

    Fair for driving
    • Precip
      65%
    • Hours of Precip
      14.5
    • Rain
      28 mm
    more
  • Sun

    Aug 24

    14°Lo 2°

    Cool with rain

    Fair for driving
    • Precip
      91%
    • Hours of Precip
      13
    • Rain
      29 mm
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
T-storms
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°C) 19° 20° 20° 20° 21° 21° 21° 21°
RealFeel® 17° 19° 20° 21° 21° 22° 21° 20°
Humidity 79% 77% 77% 77% 76% 75% 76% 79%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
51%
 
47%
 
34%
 
34%
 
34%
 
34%
 
34%
 
37%
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 (km/h) 8 N 10 N 10 N 11 N 13 N 13 N 13 N 13 N
UV Index 1 2 3 3 3 3 3 2
Cloud Cover 70% 70% 70% 70% 70% 70% 70% 70%
Dew Point 15° 15° 16° 16° 17° 17° 17° 17°
Middle Grid line 25 C Middle Grid line 20 C Middle Grid line 15 C

Temperature History - Aug 21

more Historical Weather Data >
  Today Normal Record 8/21/2013
High 21° 24° N/A 24°
Low 10° 10° N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:38 AM with 14:09 of sunlight, then sets at 8:47 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:01 AM with 15:24 of moolight, then sets at 6:25 PM

Top Story

Rapid City Weather Report

Weather Pattern Highlights Into Next Week

August 20, 2014; 10:27 AM ET

A look at the weather pattern across Canada into next week. more >