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  • Today

    Sep 19

    Clouds giving way to some sun 19°Lo 10°
  • Sat

    Sep 20

    Some sun, a shower; breezy 17°Lo 6°
    more
  • Sun

    Sep 21

    Nice with clouds and sun 19°Lo 9°
    more
  • Mon

    Sep 22

    Mostly sunny 22°Lo 10°
    more
  • Tue

    Sep 23

    Mild with plenty of sunshine 22°Lo 11°
    more
< Previous 8 hours Next 8 hours >
  Fri
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Cloudy
T-storms
T-storms
Mostly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Sunny
Temp (°C) 15° 15° 16° 17° 18° 19° 18° 18°
RealFeel® 13° 14° 14° 17° 19° 19° 18° 17°
Humidity 76% 77% 77% 71% 68% 62% 61% 61%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
47%
 
51%
 
51%
 
47%
 
36%
 
20%
 
20%
 
20%
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) 11 N 10 NNE 11 WNW 11 NW 11 NW 13 NNW 14 NNW 16 NNW
UV Index 1 1 1 2 3 3 3 2
Cloud Cover 99% 99% 95% 85% 58% 55% 50% 46%
Dew Point 10° 11° 12° 12° 12° 11° 11° 11°
Middle Grid line 20 C Middle Grid line 15 C Middle Grid line 10 C

Temperature History - Sep 19

more Historical Weather Data >
  Today Normal Record 9/19/2013
High 19° 17° N/A 15°
Low 10° N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:22 AM with 12:23 of sunlight, then sets at 7:45 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:49 AM with 14:43 of moolight, then sets at 5:32 PM

Top Story

Rapid City Weather Report

Cold Snap, Widespread Frost Looms for Northeast

September 19, 2014; 4:57 AM ET

The chilliest air of the season so far will settle over much of the Northeast into Friday and will bring frost to a large area. more >