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Arpan, SD
 21° 
Last Updated on Feb 18 2018, 10:56 am MST
Current ConditionsLight Snow and Windy
Relative Humidity82%
Windfrom the Northwest at 35.7 gusting to 50.6 MPH
(31 gusting to 44 KT)
Pressure29.57 mb
Dewpoint16.0 F (-8.9 C)
Wind Chill1 F (-17 C)
Visibility8.00 miles

7-Day Forecast

Today
Snow and Patchy Blowing Snow
High: 26°
Snow.
Patchy blowing snow before 4pm.
Temperature falling to around 8 by 5pm.
Wind chill values
between -7 and 1.
North wind 14 to 16 mph
with gusts as high as 23 mph.
Chance of precipitation is 100%.
Total daytime snow accumulation of 1 to 2 inches possible.


Tonight
Snow
Low: -2°
Snow.
Low around -2.
Wind chill values
between -5 and -15.
Northeast wind 9 to 11 mph
with gusts as high as 16 mph.
Chance of precipitation is 100%.
New snow accumulation of 3 to 5 inches possible.


Washington's Birthday
Snow
High:
Snow.
High near 3.
Wind chill values
between -12 and -17.
Northeast wind 8 to 10 mph.
Chance of precipitation is 100%.
New snow accumulation of 2 to 4 inches possible.


Monday Night
Chance Snow
Low: -16°
A 40% chance of snow.
Cloudy with a low around -16.
Wind chill values
between -24 and -34.
Northeast wind 6 to 8 mph becoming
northwest after midnight.


Tuesday
Slight Chance Snow then Partly Sunny
High:
A 20% chance of snow before 11am.
Mostly cloudy with a high near 4.
Northwest wind 9 to 11 mph
with gusts as high as 17 mph.


Tuesday Night
Partly Cloudy
Low: -16°
Partly cloudy with a low around -16.
West wind 5 to 7 mph.


Wednesday
Sunny
High: 13°
Sunny with a high near 13.


Wednesday Night
Mostly Clear
Low: -5°
Mostly clear with a low around -5.


Thursday
Mostly Sunny
High: 21°
Mostly sunny with a high near 21.


Thursday Night
Mostly Cloudy
Low:
Mostly cloudy with a low around 2.


Friday
Mostly Sunny
High: 27°
Mostly sunny with a high near 27.


Friday Night
Partly Cloudy
Low:
Partly cloudy with a low around 6.


Saturday
Mostly Sunny
High: 31°
Mostly sunny with a high near 31.


Source: National Weather Service








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