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Weather in Belle Fourche, SD · National Weather Service + NOAA

Belle Fourche has milder winters than most of South Dakota

Belle Fourche has cold, snowy winters and warm summers, with very little rain. A typical July afternoon reaches 88°, a January night drops to 13°, and about 42 inches of snow falls in a normal winter. In November, a normal day reaches 47° and a normal night drops to 23°.

Winter 37°/14°Spring 59°/33°Summer 85°/56°Fall 62°/34°
Right now
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Sunrise 8:34 am · sunset 6:43 pm

Getting the latest forecast from the National Weather Service…

What stands out about Belle Fourche’s weather

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

Climate →
Milder winters than most of South DakotaJanuary nights average 13°, milder than 1,334 of 1,384 South Dakota towns.Warmer summers than most of South DakotaJuly afternoons average 88°, warmer than 1,301 of 1,384 South Dakota towns.
A normal year

Where today sits in Belle Fourche’s year

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

Full climate →
Winter
37° / 14°
12 days with an inch or more of snow
Spring
59° / 33°
Last frost around May 10
Summer
85° / 56°
38 days reach 90° in a normal year
Fall now
62° / 34°
First frost around Sep 30
Pastthe usual first frost (Sep 30). Last frost next spring: May 10
Best months to be outside
MayJunSep
Highs of 62–84° and lows of 40° or more
How much snow does Belle Fourche get?About 42 inches a winter.When is it wettest?May, with 3.4 inches.Is it warmer than it used to be?+1.1° vs. the 20th century.

Weather talk

Road reports, first frosts and storm memories from neighbors in Belle Fourche.

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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 Belle Fourche itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Belle Fourche, SD (1 mi). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.