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Weather in Fort Pierre, SD · National Weather Service + NOAA

Fort Pierre has some of South Dakota’s warmest summers

Fort Pierre has cold, snowy winters and warm summers, with very little rain. A typical July afternoon reaches 89°, a January night drops to 9°, and about 37 inches of snow falls in a normal winter. Normal November highs come to 46°, and lows to 23°.

Winter 33°/11°Spring 59°/33°Summer 86°/59°Fall 62°/36°
Right now
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Sunrise 8:21 am · sunset 6:28 pm

Getting the latest forecast from the National Weather Service…

What stands out about Fort Pierre’s weather

Read from 30 years of NOAA records. Each one opens the full story on the Climate page.

Climate →
Warmer summers than most of South DakotaJuly afternoons average 89°, warmer than 1,371 of 1,384 South Dakota towns.A dry climateJust 19 inches of rain and melted snow a year, less than 90% of U.S. towns.
A normal year

Where today sits in Fort Pierre’s year

Typical highs and lows month by month, from 30 years of NOAA records.

Full climate →
Winter
33° / 11°
12 days with an inch or more of snow
Spring
59° / 33°
Last frost around May 6
Summer
86° / 59°
38 days reach 90° in a normal year
Fall now
62° / 36°
First frost around Oct 3
Pastthe usual first frost (Oct 3). Last frost next spring: May 6
Best months to be outside
MayJunSep
Highs of 62–84° and lows of 40° or more
How much snow does Fort Pierre get?About 37 inches a winter.When is it wettest?June, with 3.3 inches.Is it warmer than it used to be?+0.9° vs. the 20th century.

Weather talk

Road reports, first frosts and storm memories from neighbors in Fort Pierre.

Town Square →
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Forecast, conditions and alerts: National Weather Service. Climate: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Temperatures and rainfall come from NOAA’s gridded normals for Fort Pierre itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Pierre Rgnl Airport, SD (5 mi). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.