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Harrison, SD
 54° 
Last Updated on Apr 25 2024, 1:53 am CDT
Current ConditionsFair
Relative Humidity45%
WindSoutheast at 15.0 MPH
(13 KT)
Pressure30.00 mb
Dewpoint33.1 F (0.6 C)
Wind Chill50 F (10 C)
Visibility10.00 miles

7-Day Forecast

This Afternoon
Chance T-storms and Windy
High: 67°
A 30% chance of showers and thunderstorms.
Mostly cloudy with a high near 67.
Windy with a south southeast wind around 30 mph
with gusts as high as 35 mph.


Tonight
T-storms and Breezy
Low: 51°
Showers and thunderstorms, mainly after 10pm.
Low around 51.
Breezy with a southeast wind 20 to 25 mph
with gusts as high as 40 mph.
Chance of precipitation is 90%.
New rainfall amounts
between a quarter and half of an inch possible.


Friday
T-storms and Breezy
High: 63°
Showers and thunderstorms.
High near 63.
Breezy with an east southeast wind 15 to 20 mph
with gusts as high as 30 mph.
Chance of precipitation is 90%.
New rainfall amounts
between a half and three quarters of an inch possible.


Friday Night
T-storms
Low: 48°
Showers and thunderstorms, mainly before 1am.
Low around 48.
Northeast wind 10 to 15 mph becoming
west northwest after midnight.
Winds could gust as high as 20 mph.
Chance of precipitation is 80%.


Saturday
Slight Chance T-storms
High: 57°
A 20% chance of showers and thunderstorms.
Mostly cloudy with a high near 57.
North wind around 15 mph
with gusts as high as 20 mph.


Saturday Night
Breezy. Chance T-storms then T-storms
Low: 43°
Showers and thunderstorms, mainly after 1am.
Low around 43.
Breezy with a north northeast wind 15 to 20 mph
with gusts as high as 30 mph.
Chance of precipitation is 80%.


Sunday
T-storms and Breezy
High: 51°
Showers and thunderstorms.
High near 51.
Breezy.
Chance of precipitation is 90%.


Sunday Night
Chance Showers
Low: 37°
A 30% chance of showers before 1am.
Mostly cloudy with a low around 37.


Monday
Mostly Sunny
High: 65°
Mostly sunny with a high near 65.


Monday Night
Partly Cloudy
Low: 46°
Partly cloudy with a low around 46.


Tuesday
Sunny
High: 69°
Sunny with a high near 69.


Tuesday Night
Partly Cloudy
Low: 46°
Partly cloudy with a low around 46.


Wednesday
Mostly Sunny
High: 69°
Mostly sunny with a high near 69.


Wednesday Night
Partly Cloudy
Low: 45°
Partly cloudy with a low around 45.


Thursday
Mostly Sunny
High: 72°
Mostly sunny with a high near 72.


Source: National Weather Service








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