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Sunnyside

A township of 12 people in Pennington County, South Dakota

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Town hallWanted · be the first Main streetWanted · be the first The libraryWanted · be the first Add a photoStart the Sunnyside album

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Now in Sunnyside

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Around town

The places and views that make it Sunnyside

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The Sunnyside album

0 of 12 shotsNeighbors document Sunnyside together

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Know Sunnyside

The town at a glance, and the guide to how things work

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Living in Sunnyside

Health in Sunnyside

Compared with South Dakota

2better than SD·5worse

of 26 measures CDC estimates. The other 19 are too close to call.

Conditions 5▼ 7 close Habits all close Care 2▲ 5 close Mind all close

BetterToo close to callWorse

What stands out

79.3%More adults treating high blood pressureSD 75.9% · better 87.3%More adults getting cholesterol checkedSD 84.8% · better 8.1%More adults with heart diseaseSD 6.8% · worse

Care nearby

Hans P Peterson Memorial Hospital - CahPhilip · 34.5 mi · ER · rural critical access

Main ClinicRapid City · 44.7 mi · sliding-scale fees

Primary careNo shortage

DentalNo shortage

Mental healthShortage · county-wide

CDC PLACES 2025 · modeled estimates for adults · ZIP codes 57790, 57791 · CMS · HRSAHealth in Sunnyside →

Natural hazards in Sunnyside

High

Expected storm and flood damage is higher than in 74% of U.S. communities.

🌊 Inland flooding🔥 Wildfire🥶 Cold waves

0Does Sunnyside flood?no paid flood claims on record NoneDisasters that paid out hereof 19 declared for Pennington County MapSunnyside vs. its neighborsnearby towns shaded by rating

FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Sunnyside →

Climate in Sunnyside

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Sunnyside has cold, snowy winters and warm summers, with very little rain. A typical July afternoon reaches 88°, a January night drops to 11°, and about 37 inches of snow falls in a normal winter.

36° / 13°Winter

59° / 33°Spring

85° / 57°Summer

63° / 35°Fall

How much snow does Sunnyside get?About 37 inches a winter.Rain & snow →When is the first frost?Around Oct 3, with the last in spring around May 8.Frost dates →Is it warmer than it used to be?+1.1° vs. the 20th century.Then & now →

NOAA U.S. Climate Normals, 1991–2020Climate in Sunnyside →

Libraries near Sunnyside

Nearest: Wall Community LibraryWall · 16.2 miles · 19 hrs a week

Famous people from SunnysideWriters, athletes, leaders and more who were born in Sunnyside.Meet them →

Where Sunnyside is

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Imported town boundary

South Dakota · SD · Pennington CountyTown boundary on OpenStreetMap →

Around town

Bordering towns

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Sunnyside Smithville Ash Cedar Butte Shyne

WSmithville EAsh SCedar Butte SWShyne

Compare side by side:Sunnyside vs Smithville Sunnyside vs Ash Sunnyside vs Cedar Butte Sunnyside vs Shyne

How things work in Sunnyside

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