Arpan, South Dakota
Current Conditions -  °F | °C
As of 11:15 AM on Wednesday 17 Sep 2014 (Local Time) from KSPF Reporting Station
Clear Clear  
Wind Chill: 72°   Ceiling: Unl
Heat Index: 72°   Visibility: 10mi
Dew Point: 52°   Wind: 8mph
Humidity: 50%   Direction: 50°NE
Pressure: 29.99"   Gusts: NA
Location:  44.6391°N, 103.522°W
Report Text: KSPF 171715Z AUTO 05007KT 10SM CLR 22/11 A2999 RMK AO2
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Tropical Storm Tracking
Hourly Forecast -  °F | °C
Hi 81° - Lo 59°
12 PM
P Cloudy
P Cloudy
71°
1 PM
P Cloudy
P Cloudy
74°
2 PM
P Cloudy
P Cloudy
76°
3 PM
P Cloudy
P Cloudy
78°
4 PM
P Cloudy
P Cloudy
79°
5 PM
P Cloudy
P Cloudy
79°
Weather Maps
Daily Forecast -  °F | °C
wed thu fri sat sun mon tue wed thu fri
sep
17
P Cloudy
P Cloudy
81°
59°
sep
18
Sunny
Sunny
90°
65°
sep
19
P Cloudy
P Cloudy
82°
59°
sep
20
Sunny
Sunny
80°
53°
sep
21
Sunny
Sunny
74°
52°
sep
22
M Sunny
M Sunny
74°
54°
sep
23
M Sunny
M Sunny
76°
54°
sep
24
M Sunny
M Sunny
79°
57°
sep
25
M Sunny
M Sunny
78°
54°
sep
26
Sunny
Sunny
72°
50°
Details for Wednesday, September 17
Sunshine and clouds mixed. High 81F. Winds ESE at 10 to 15 mph.
Evening: Mainly clear. Low 59F. Winds SE at 10 to 15 mph.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 40%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 38%
Cloud Coverage
Sunrise: 6:35 AM
Sunset: 7:01 PM
 
Moonrise: 12:27 AM
Moonset: 3:22 PM
Moon Phase:  Last Quarter
Moonphase:
Last Quarter
Wind Direction:  E
Direction: E (101°)
Speed: 12Mph(19Km, 14Kts)
Details for Thursday, September 18
Sunny skies. High around 90F. Winds SE at 10 to 15 mph.
Evening: Partly cloudy in the evening with more clouds for later at night. Low near 65F. Winds WSW at 5 to 10 mph.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 49%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 15%
Cloud Coverage
Sunrise: 6:36 AM
Sunset: 6:59 PM
 
Moonrise: 1:21 AM
Moonset: 4:00 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  SE
Direction: SE (128°)
Speed: 10Mph(16Km, 12Kts)
Details for Friday, September 19
Times of sun and clouds. Highs in the low 80s and lows in the upper 50s.
UV Index: 3 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 44%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 71%
Cloud Coverage
Sunrise: 6:38 AM
Sunset: 6:57 PM
 
Moonrise: 2:17 AM
Moonset: 4:34 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  WNW
Direction: WNW (303°)
Speed: 12Mph(19Km, 14Kts)
Details for Saturday, September 20
Mainly sunny. Highs in the low 80s and lows in the low 50s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 46%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 1%
Cloud Coverage
Sunrise: 6:39 AM
Sunset: 6:55 PM
 
Moonrise: 3:14 AM
Moonset: 5:06 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  WNW
Direction: WNW (303°)
Speed: 19Mph(30Km, 21Kts)
Details for Sunday, September 21
Abundant sunshine. Highs in the mid 70s and lows in the low 50s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 42%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 3%
Cloud Coverage
Sunrise: 6:40 AM
Sunset: 6:53 PM
 
Moonrise: 4:12 AM
Moonset: 5:34 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  N
Direction: N (8°)
Speed: 9Mph(14Km, 10Kts)
Details for Monday, September 22
More sun than clouds. Highs in the mid 70s and lows in the mid 50s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 43%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 26%
Cloud Coverage
Sunrise: 6:41 AM
Sunset: 6:51 PM
 
Moonrise: 5:10 AM
Moonset: 6:02 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  SE
Direction: SE (126°)
Speed: 14Mph(22Km, 16Kts)
Details for Tuesday, September 23
Plenty of sun. Highs in the mid 70s and lows in the mid 50s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 55%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 39%
Cloud Coverage
Sunrise: 6:42 AM
Sunset: 6:50 PM
 
Moonrise: 6:09 AM
Moonset: 6:29 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  SE
Direction: SE (135°)
Speed: 11Mph(18Km, 13Kts)
Details for Wednesday, September 24
A few clouds. Highs in the upper 70s and lows in the upper 50s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 52%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 16%
Cloud Coverage
Sunrise: 6:44 AM
Sunset: 6:48 PM
 
Moonrise: 7:09 AM
Moonset: 6:57 PM
Moon Phase:  New
Moonphase:
New
Wind Direction:  WSW
Direction: WSW (243°)
Speed: 10Mph(16Km, 12Kts)
Details for Thursday, September 25
More sun than clouds. Highs in the upper 70s and lows in the mid 50s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 44%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 24%
Cloud Coverage
Sunrise: 6:45 AM
Sunset: 6:46 PM
 
Moonrise: 8:09 AM
Moonset: 7:26 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  WNW
Direction: WNW (287°)
Speed: 15Mph(24Km, 17Kts)
Details for Friday, September 26
Sunshine. Highs in the low 70s and lows in the low 50s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 47%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 11%
Cloud Coverage
Sunrise: 6:46 AM
Sunset: 6:44 PM
 
Moonrise: 9:11 AM
Moonset: 7:58 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  WNW
Direction: WNW (302°)
Speed: 15Mph(25Km, 18Kts)
Daily Forecast Chart
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