Erwin, South Dakota
Current Conditions -  °F | °C
As of 7:53 AM on Thursday 18 Sep 2014 (Local Time) from KATY Reporting Station
Clear Clear  
Wind Chill: 56°   Ceiling: Unl
Heat Index: 56°   Visibility: 10mi
Dew Point: 51°   Wind: 8mph
Humidity: 84%   Direction: 140°SE
Pressure: 29.99"   Gusts: NA
Location:  44.49°N, 97.45°W
Report Text: KATY 181253Z AUTO 14007KT 10SM CLR 13/11 A2999 RMK AO2 SLP154 T01330106
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Tropical Storm Tracking
Hourly Forecast -  °F | °C
Hi 76° - Lo 59°
9 AM
P Cloudy
P Cloudy
60°
10 AM
P Cloudy
P Cloudy
65°
11 AM
M Sunny
M Sunny
68°
12 PM
P Cloudy
P Cloudy
70°
1 PM
P Cloudy
P Cloudy
72°
2 PM
P Cloudy
P Cloudy
74°
Weather Maps
Daily Forecast -  °F | °C
thu fri sat sun mon tue wed thu fri sat
sep
18
P Cloudy
P Cloudy
76°
59°
sep
19
P Cloudy
P Cloudy
85°
57°
sep
20
Sunny
Sunny
77°
50°
sep
21
Sunny
Sunny
71°
46°
sep
22
Sunny
Sunny
74°
52°
sep
23
M Sunny
M Sunny
73°
55°
sep
24
M Sunny
M Sunny
71°
56°
sep
25
M Cloudy
M Cloudy
71°
57°
sep
26
AM Showers
AM Showers
70°
56°
sep
27
Showers
Showers
72°
50°
Details for Thursday, September 18
Partly cloudy. High 76F. Winds SSE at 10 to 20 mph.
Evening: A few clouds. Low 59F. Winds SSE at 15 to 25 mph.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 71%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 36%
Cloud Coverage
Sunrise: 7:12 AM
Sunset: 7:34 PM
 
Moonrise: 1:56 AM
Moonset: 4:35 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  SSE
Direction: SSE (161°)
Speed: 16Mph(26Km, 18Kts)
Details for Friday, September 19
Partly cloudy. High around 85F. Winds SSW at 15 to 25 mph.
Evening: Partly cloudy. Low 57F. Winds WNW at 5 to 10 mph.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 72%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 54%
Cloud Coverage
Sunrise: 7:13 AM
Sunset: 7:32 PM
 
Moonrise: 2:52 AM
Moonset: 5:09 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  SSW
Direction: SSW (209°)
Speed: 18Mph(30Km, 21Kts)
Details for Saturday, September 20
Mainly sunny. Highs in the upper 70s and lows in the low 50s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 59%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 6%
Cloud Coverage
Sunrise: 7:14 AM
Sunset: 7:31 PM
 
Moonrise: 3:49 AM
Moonset: 5:40 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  NW
Direction: NW (307°)
Speed: 16Mph(26Km, 19Kts)
Details for Sunday, September 21
Sunny. Highs in the low 70s and lows in the mid 40s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 50%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 1%
Cloud Coverage
Sunrise: 7:15 AM
Sunset: 7:29 PM
 
Moonrise: 4:47 AM
Moonset: 6:09 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  NW
Direction: NW (324°)
Speed: 14Mph(23Km, 16Kts)
Details for Monday, September 22
Mainly sunny. Highs in the mid 70s and lows in the low 50s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 56%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 0%
Cloud Coverage
Sunrise: 7:17 AM
Sunset: 7:27 PM
 
Moonrise: 5:45 AM
Moonset: 6:37 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  SW
Direction: SW (215°)
Speed: 7Mph(12Km, 8Kts)
Details for Tuesday, September 23
Mostly sunny. Highs in the low 70s and lows in the mid 50s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 64%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 20%
Cloud Coverage
Sunrise: 7:18 AM
Sunset: 7:25 PM
 
Moonrise: 6:44 AM
Moonset: 7:04 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  SSE
Direction: SSE (161°)
Speed: 12Mph(20Km, 14Kts)
Details for Wednesday, September 24
Mostly sunny. Highs in the low 70s and lows in the mid 50s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 78%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 35%
Cloud Coverage
Sunrise: 7:19 AM
Sunset: 7:23 PM
 
Moonrise: 7:43 AM
Moonset: 7:32 PM
Moon Phase:  New
Moonphase:
New
Wind Direction:  SSE
Direction: SSE (165°)
Speed: 18Mph(29Km, 21Kts)
Details for Thursday, September 25
More clouds than sun. Highs in the low 70s and lows in the upper 50s.
UV Index: 4 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 76%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 66%
Cloud Coverage
Sunrise: 7:20 AM
Sunset: 7:21 PM
 
Moonrise: 8:44 AM
Moonset: 8:01 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  SSE
Direction: SSE (161°)
Speed: 18Mph(30Km, 21Kts)
Details for Friday, September 26
Showers ending by midday. Highs in the low 70s and lows in the mid 50s.
UV Index: 4 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 78%
Relative Humidity
Precipitation: 40%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 70%
Cloud Coverage
Sunrise: 7:21 AM
Sunset: 7:19 PM
 
Moonrise: 9:45 AM
Moonset: 8:34 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  SSE
Direction: SSE (164°)
Speed: 19Mph(30Km, 21Kts)
Details for Saturday, September 27
Chance of showers. Highs in the low 70s and lows in the low 50s.
UV Index: 3 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 78%
Relative Humidity
Precipitation: 40%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 64%
Cloud Coverage
Sunrise: 7:23 AM
Sunset: 7:17 PM
 
Moonrise: 10:47 AM
Moonset: 9:10 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  S
Direction: S (188°)
Speed: 14Mph(22Km, 16Kts)
Daily Forecast Chart
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