Erwin, South Dakota
Current Conditions -  °F | °C
As of 1:53 AM on Monday 21 Apr 2014 (Local Time) from KATY Reporting Station
Few Clouds Few Clouds  
Wind Chill: 56°   Ceiling: Unl
Heat Index: 56°   Visibility: 10mi
Dew Point: 41°   Wind: 9mph
Humidity: 57%   Direction: 340°NNW
Pressure: 29.96"   Gusts: 25mph
Location:  44.49°N, 97.45°W
Report Text: KATY 210653Z AUTO 34008G22KT 10SM FEW043 13/05 A2996 RMK AO2 PK WND 31030/0638 SLP142 T01330050 $
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Personal Weather Stations






























Hourly Forecast -  °F | °C
Hi 74° - Lo 48°
3 AM
P Cloudy
P Cloudy
54°
4 AM
M Clear
M Clear
52°
5 AM
M Clear
M Clear
51°
6 AM
Clear
Clear
49°
7 AM
Sunny
Sunny
47°
8 AM
Sunny
Sunny
50°
Weather Maps
Daily Forecast -  °F | °C
sun mon tue wed thu fri sat sun mon tue
apr
20
P Cloudy
P Cloudy
74°
48°
apr
21
Sunny
Sunny
67°
36°
apr
22
M Sunny
M Sunny
67°
48°
apr
23
T-Shwrs/Wind
T-Shwrs/Wind
68°
46°
apr
24
P Cloudy
P Cloudy
62°
38°
apr
25
P Cloudy
P Cloudy
51°
32°
apr
26
Few Showers
Few Showers
49°
37°
apr
27
Few Showers
Few Showers
53°
38°
apr
28
R/S Showers
R/S Showers
49°
36°
apr
29
M Cloudy
M Cloudy
56°
37°
Details for Sunday, April 20 (Evening)
Evening: Partly cloudy. Low 48F. Winds NNW at 10 to 15 mph.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 76%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 22%
Cloud Coverage
Sunrise: 6:38 AM
Sunset: 8:21 PM
 
Moonrise: 1:07 AM
Moonset: 10:55 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  NNW
Direction: NNW (332°)
Speed: 12Mph(19Km, 10Kts)
Details for Monday, April 21
Mainly sunny. High 67F. Winds NNW at 20 to 30 mph.
Evening: Clear. Low 36F. NE winds at 10 to 20 mph, diminishing to 5 to 10 mph.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 43%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 0%
Cloud Coverage
Sunrise: 6:36 AM
Sunset: 8:22 PM
 
Moonrise: 1:57 AM
Moonset: 12:01 PM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  NNW
Direction: NNW (334°)
Speed: 21Mph(34Km, 18Kts)
Details for Tuesday, April 22
Mostly sunny. Highs in the upper 60s and lows in the upper 40s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 45%
Relative Humidity
Precipitation: 40%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 31%
Cloud Coverage
Sunrise: 6:35 AM
Sunset: 8:23 PM
 
Moonrise: 2:41 AM
Moonset: 1:10 PM
Moon Phase:  Last Quarter
Moonphase:
Last Quarter
Wind Direction:  SE
Direction: SE (139°)
Speed: 13Mph(21Km, 11Kts)
Details for Wednesday, April 23
Cloudy and windy with a few thundershowers. Highs in the upper 60s and lows in the mid 40s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 60%
Relative Humidity
Precipitation: 50%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 70%
Cloud Coverage
Sunrise: 6:33 AM
Sunset: 8:25 PM
 
Moonrise: 3:20 AM
Moonset: 2:21 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  SE
Direction: SE (146°)
Speed: 28Mph(45Km, 24Kts)
Details for Thursday, April 24
Times of sun and clouds. Highs in the low 60s and lows in the upper 30s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 59%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 63%
Cloud Coverage
Sunrise: 6:31 AM
Sunset: 8:26 PM
 
Moonrise: 3:55 AM
Moonset: 3:32 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  NW
Direction: NW (307°)
Speed: 17Mph(28Km, 15Kts)
Details for Friday, April 25
Partly cloudy. Highs in the low 50s and lows in the low 30s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 66%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 57%
Cloud Coverage
Sunrise: 6:30 AM
Sunset: 8:27 PM
 
Moonrise: 4:28 AM
Moonset: 4:43 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  NNW
Direction: NNW (340°)
Speed: 18Mph(29Km, 16Kts)
Details for Saturday, April 26
Occasional showers possible. Highs in the upper 40s and lows in the upper 30s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 57%
Relative Humidity
Precipitation: 60%
Probability of Precipitation
Snow: 25%
Snow
Cloud Coverage: 72%
Cloud Coverage
Sunrise: 6:28 AM
Sunset: 8:28 PM
 
Moonrise: 5:01 AM
Moonset: 5:53 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  ENE
Direction: ENE (75°)
Speed: 15Mph(24Km, 13Kts)
Details for Sunday, April 27
Few showers. Highs in the low 50s and lows in the upper 30s.
UV Index: 4 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 73%
Relative Humidity
Precipitation: 60%
Probability of Precipitation
Snow: 29%
Snow
Cloud Coverage: 76%
Cloud Coverage
Sunrise: 6:27 AM
Sunset: 8:29 PM
 
Moonrise: 5:33 AM
Moonset: 7:02 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  E
Direction: E (88°)
Speed: 19Mph(31Km, 16Kts)
Details for Monday, April 28
Mix of rain and snow showers. Highs in the upper 40s and lows in the mid 30s.
UV Index: 4 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 71%
Relative Humidity
Precipitation: 60%
Probability of Precipitation
Snow: 41%
Snow
Cloud Coverage: 82%
Cloud Coverage
Sunrise: 6:25 AM
Sunset: 8:31 PM
 
Moonrise: 6:07 AM
Moonset: 8:09 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  NNE
Direction: NNE (25°)
Speed: 17Mph(28Km, 15Kts)
Details for Tuesday, April 29
Mostly cloudy. Highs in the mid 50s and lows in the upper 30s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 64%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 12%
Snow
Cloud Coverage: 72%
Cloud Coverage
Sunrise: 6:24 AM
Sunset: 8:32 PM
 
Moonrise: 6:43 AM
Moonset: 9:14 PM
Moon Phase:  New
Moonphase:
New
Wind Direction:  NNW
Direction: NNW (341°)
Speed: 14Mph(23Km, 12Kts)
Daily Forecast Chart
Chart.
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