Erwin, South Dakota
Current Conditions -  °F | °C
As of 6:53 AM on Wednesday 27 Aug 2014 (Local Time) from KATY Reporting Station
Scattered Clouds Scattered Clouds  
Wind Chill: 56°   Ceiling: Unl
Heat Index: 56°   Visibility: 10mi
Dew Point: 53°   Wind: 7mph
Humidity: 90%   Direction: 100°E
Pressure: 30.16"   Gusts: NA
Location:  44.49°N, 97.45°W
Report Text: KATY 271153Z AUTO 10006KT 10SM SCT070 13/12 A3016 RMK AO2 SLP214 T01330117 10150 20122 56006
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Tropical Storm Tracking
Hourly Forecast -  °F | °C
Hi 77° - Lo 63°
8 AM
M Cloudy
M Cloudy
59°
9 AM
M Cloudy
M Cloudy
63°
10 AM
M Cloudy
M Cloudy
65°
11 AM
M Cloudy
M Cloudy
68°
12 PM
Cloudy
Cloudy
70°
1 PM
M Cloudy
M Cloudy
72°
Weather Maps
Daily Forecast -  °F | °C
wed thu fri sat sun mon tue wed thu fri
aug
27
M Cloudy
M Cloudy
77°
63°
aug
28
T-Storms
T-Storms
76°
60°
aug
29
PM T-Storms
PM T-Storms
83°
58°
aug
30
P Cloudy
P Cloudy
81°
63°
aug
31
Sct T-Storms
Sct T-Storms
81°
57°
sep
01
Sunny
Sunny
77°
55°
sep
02
P Cloudy
P Cloudy
77°
54°
sep
03
Sunny
Sunny
77°
60°
sep
04
M Sunny
M Sunny
79°
60°
sep
05
Sct T-Storms
Sct T-Storms
77°
58°
Details for Wednesday, August 27
Mainly cloudy. High 77F. Winds ESE at 5 to 10 mph.
Evening: Cloudy skies with periods of rain late. Low 63F. Winds ESE at 5 to 10 mph. Chance of rain 60%.
UV Index: 4 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 70%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 79%
Cloud Coverage
Sunrise: 6:47 AM
Sunset: 8:15 PM
 
Moonrise: 8:51 AM
Moonset: 9:00 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  ESE
Direction: ESE (120°)
Speed: 9Mph(14Km, 10Kts)
Details for Thursday, August 28
Thunderstorms. High 76F. Winds ENE at 5 to 10 mph. Chance of rain 80%.
Evening: Scattered thunderstorms in the evening. Cloudy skies overnight. Low near 60F. Winds E at 5 to 10 mph. Chance of rain 50%.
UV Index: 4 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 82%
Relative Humidity
Precipitation: 80%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 89%
Cloud Coverage
Sunrise: 6:48 AM
Sunset: 8:13 PM
 
Moonrise: 9:50 AM
Moonset: 9:28 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  ENE
Direction: ENE (77°)
Speed: 9Mph(14Km, 10Kts)
Details for Friday, August 29
Afternoon thunderstorms. Highs in the low 80s and lows in the upper 50s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 76%
Relative Humidity
Precipitation: 60%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 69%
Cloud Coverage
Sunrise: 6:49 AM
Sunset: 8:11 PM
 
Moonrise: 10:50 AM
Moonset: 9:58 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  W
Direction: W (266°)
Speed: 5Mph(8Km, 6Kts)
Details for Saturday, August 30
Mix of sun and clouds. Highs in the low 80s and lows in the low 60s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 74%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 44%
Cloud Coverage
Sunrise: 6:50 AM
Sunset: 8:10 PM
 
Moonrise: 11:51 AM
Moonset: 10:31 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  SE
Direction: SE (139°)
Speed: 8Mph(13Km, 9Kts)
Details for Sunday, August 31
A few thunderstorms possible. Highs in the low 80s and lows in the upper 50s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 76%
Relative Humidity
Precipitation: 80%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 58%
Cloud Coverage
Sunrise: 6:52 AM
Sunset: 8:08 PM
 
Moonrise: 12:53 PM
Moonset: 11:08 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  SSW
Direction: SSW (203°)
Speed: 15Mph(24Km, 17Kts)
Details for Monday, September 01
Sunny. Highs in the upper 70s and lows in the mid 50s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 61%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 14%
Cloud Coverage
Sunrise: 6:53 AM
Sunset: 8:06 PM
 
Moonrise: 1:55 PM
Moonset: 11:52 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  WNW
Direction: WNW (293°)
Speed: 11Mph(17Km, 12Kts)
Details for Tuesday, September 02
Times of sun and clouds. Highs in the upper 70s and lows in the mid 50s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 68%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 30%
Cloud Coverage
Sunrise: 6:54 AM
Sunset: 8:04 PM
 
Moonrise: 2:55 PM
Moonset: 12:01 AM
Moon Phase:  First Quarter
Moonphase:
First Quarter
Wind Direction:  WSW
Direction: WSW (241°)
Speed: 11Mph(17Km, 12Kts)
Details for Wednesday, September 03
Mainly sunny. Highs in the upper 70s and lows in the low 60s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 68%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 11%
Cloud Coverage
Sunrise: 6:55 AM
Sunset: 8:02 PM
 
Moonrise: 3:52 PM
Moonset: 12:43 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  S
Direction: S (185°)
Speed: 14Mph(23Km, 16Kts)
Details for Thursday, September 04
Mostly sunny. Highs in the upper 70s and lows in the low 60s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 86%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 21%
Cloud Coverage
Sunrise: 6:56 AM
Sunset: 8:01 PM
 
Moonrise: 4:46 PM
Moonset: 1:41 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  S
Direction: S (172°)
Speed: 13Mph(22Km, 15Kts)
Details for Friday, September 05
A few thunderstorms possible. Highs in the upper 70s and lows in the upper 50s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 69%
Relative Humidity
Precipitation: 60%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 52%
Cloud Coverage
Sunrise: 6:57 AM
Sunset: 7:59 PM
 
Moonrise: 5:34 PM
Moonset: 2:47 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  S
Direction: S (183°)
Speed: 12Mph(19Km, 13Kts)
Daily Forecast Chart
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