Weather Report
Arpan, South Dakota
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Current Conditions -  °F | °C
As of 12:55 AM on Thursday 20 Jun 2013 (Local Time) from KSPF Reporting Station
Clear Clear   Feels Like: 78°
Wind Chill: 77°   Ceiling: Unl
Heat Index: 78°   Visibility: 10mi
Dew Point: 50°   Wind: 21mph
Humidity: 39%   Direction: 180° (S)
Pressure: 29.66"   Gusts: 32mph
Report Text: KSPF 200655Z AUTO 18018G28KT 10SM CLR 25/10 A2966 RMK AO2
2 AM
P Cldy/Wind
P Cldy/Wind 74°
3 AM
P Cldy/Wind
P Cldy/Wind 72°
4 AM
P Cldy/Wind
P Cldy/Wind 69°
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Interactive Weather Map
Tropical Storm Tracking
10 Day Forecast -  °F | °C
wed thu fri sat sun mon tue wed thu fri
jun
19
P Cldy/Wind
P Cldy/Wind
88°
60°
jun
20
Sunny
Sunny
83°
57°
jun
21
Strong Tstms
Strong Tstms
79°
58°
jun
22
Sct T-Storms
Sct T-Storms
79°
53°
jun
23
P Cloudy
P Cloudy
80°
56°
jun
24
P Cloudy
P Cloudy
88°
58°
jun
25
P Cloudy
P Cloudy
85°
59°
jun
26
M Sunny
M Sunny
88°
59°
jun
27
P Cloudy
P Cloudy
86°
59°
jun
28
P Cloudy
P Cloudy
86°
58°
Details for Wednesday, June 19 (Evening)
Evening: Windy with partly cloudy skies. A stray shower or thunderstorm is possible. Low around 60F. Winds WSW at 25 to 35 mph.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 70%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 44%
Cloud Coverage
Sunrise: 5:09 AM
Sunset: 8:43 PM
 
Moonrise: 4:32 PM
Moonset: 2:03 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  WSW
Direction: WSW (248°)
Speed: 28Mph(45Km, 24Kts)
Details for Thursday, June 20
Sunny skies. High 83F. Winds N at 10 to 20 mph.
Evening: Generally fair. Low 57F. Winds ENE at 5 to 10 mph.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 30%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 15%
Cloud Coverage
Sunrise: 5:09 AM
Sunset: 8:44 PM
 
Moonrise: 5:44 PM
Moonset: 2:42 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  N
Direction: N (349°)
Speed: 16Mph(26Km, 14Kts)
Details for Friday, June 21
Scattered strong thunderstorms. Highs in the upper 70s and lows in the upper 50s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 59%
Relative Humidity
Precipitation: 50%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 54%
Cloud Coverage
Sunrise: 5:09 AM
Sunset: 8:44 PM
 
Moonrise: 6:54 PM
Moonset: 3:30 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  E
Direction: E (81°)
Speed: 10Mph(16Km, 9Kts)
Details for Saturday, June 22
Scattered thunderstorms. Potential for severe thunderstorms. Highs in the upper 70s and lows in the low 50s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 67%
Relative Humidity
Precipitation: 40%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 65%
Cloud Coverage
Sunrise: 5:09 AM
Sunset: 8:44 PM
 
Moonrise: 7:58 PM
Moonset: 4:26 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  ESE
Direction: ESE (114°)
Speed: 10Mph(16Km, 9Kts)
Details for Sunday, June 23
Times of sun and clouds. Highs in the low 80s and lows in the mid 50s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 52%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 21%
Cloud Coverage
Sunrise: 5:10 AM
Sunset: 8:44 PM
 
Moonrise: 8:55 PM
Moonset: 5:32 AM
Moon Phase:  Full
Moonphase:
Full
Wind Direction:  WNW
Direction: WNW (298°)
Speed: 17Mph(28Km, 15Kts)
Details for Monday, June 24
Partly cloudy. Highs in the upper 80s and lows in the upper 50s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 43%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 59%
Cloud Coverage
Sunrise: 5:10 AM
Sunset: 8:44 PM
 
Moonrise: 9:42 PM
Moonset: 6:45 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  NW
Direction: NW (305°)
Speed: 10Mph(16Km, 9Kts)
Details for Tuesday, June 25
Partly cloudy. Highs in the mid 80s and lows in the upper 50s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 45%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 29%
Cloud Coverage
Sunrise: 5:10 AM
Sunset: 8:44 PM
 
Moonrise: 10:22 PM
Moonset: 8:00 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  NW
Direction: NW (325°)
Speed: 11Mph(18Km, 9Kts)
Details for Wednesday, June 26
Mostly sunny. Highs in the upper 80s and lows in the upper 50s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 46%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 24%
Cloud Coverage
Sunrise: 5:11 AM
Sunset: 8:44 PM
 
Moonrise: 10:57 PM
Moonset: 9:15 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  NW
Direction: NW (324°)
Speed: 11Mph(18Km, 9Kts)
Details for Thursday, June 27
Times of sun and clouds. Highs in the mid 80s and lows in the upper 50s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 49%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 27%
Cloud Coverage
Sunrise: 5:11 AM
Sunset: 8:44 PM
 
Moonrise: 11:28 PM
Moonset: 10:28 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  NNE
Direction: NNE (13°)
Speed: 12Mph(20Km, 10Kts)
Details for Friday, June 28
Times of sun and clouds. Highs in the mid 80s and lows in the upper 50s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 47%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 48%
Cloud Coverage
Sunrise: 5:11 AM
Sunset: 8:44 PM
 
Moonrise: 11:57 PM
Moonset: 11:38 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  ESE
Direction: ESE (109°)
Speed: 14Mph(23Km, 12Kts)
Chart.
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