Belle Fourche, SD Weather

Butte County4:56 AM MDT44.67°N, 103.85°WElevation 3,022 ft
Red Flag Warning from 11:00 AM Fri until 11:00 PM Fri

Current conditions

Mostly Cloudy
55°
Mostly Cloudy
Feels like 55°
High 77°·Low 54° tonight
WindS 5 mph
Humidity77%
Dew point48°
Cloud cover72%
UV index0 Low
Sunrise7:22 AM
Sunset5:59 PM

Forecast for this hour (no station report in the last two hours)

Forecast

10-day

  • Thursday Night

    Mostly cloudy, with a low around 54. Southeast wind 3 to 8 mph.

  • Friday

    Partly sunny. High near 77, with temperatures falling to around 71 in the afternoon. South wind 2 to 33 mph, with gusts as high as 46 mph.

  • Friday Night

    A slight chance of rain. Partly cloudy, with a low around 40.

National Weather Service forecast updated 2 days ago.

Hourly

Hourly forecast
  1. Now Mostly Cloudy 55°
  2. 5 AM Mostly Cloudy 54°
  3. 6 AM Mostly Cloudy 54°
  4. 7 AM Mostly Cloudy 55°
  5. 8 AM Partly Sunny 57°
  6. 9 AM Partly Sunny 60°
  7. 10 AM Partly Sunny 65°
  8. 11 AM Partly Sunny 70°
  9. 12 PM Mostly Sunny 74°
  10. 1 PM Mostly Sunny 76°
  11. 2 PM Mostly Sunny 77°
  12. 3 PM Mostly Sunny 76°
  13. 4 PM Mostly Sunny 74°
  14. 5 PM Mostly Sunny 71°
  15. 6 PM Slight Chance Light Rain 66°18%
  16. 7 PM Slight Chance Light Rain 63°18%
  17. 8 PM Slight Chance Light Rain 60°18%
  18. 9 PM Slight Chance Light Rain 57°18%
  19. 10 PM Slight Chance Light Rain 55°18%
  20. 11 PM Slight Chance Light Rain 53°18%
  21. Sat12 AM Slight Chance Light Rain 51°21%
  22. 1 AM Slight Chance Light Rain 49°21%
  23. 2 AM Slight Chance Light Rain 46°21%
  24. 3 AM Slight Chance Light Rain 44°21%

10-day forecast

Details
  1. TonightOct 20 Clear Clear39°
  2. WedOct 21 Sunny Sunny46°72°
  3. ThuOct 22 Mostly Sunny Mostly Sunny54°80°
  4. TodayOct 23 Partly Sunny Partly Sunny21%40°77°
  5. SatOct 24 Mostly Sunny Mostly Sunny33°54°
  6. SunOct 25 Sunny Sunny32°55°
  7. MonOct 26 Sunny Sunny31°51°
  8. TueOct 27 Mostly Sunny Mostly Sunny10%57°
  9. WedOct 28 Partly cloudy Partly cloudy32°56°
  10. ThuOct 29 Mostly sunny Mostly sunny39°63°

Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.

Radar

Full map
Open the National Weather Service radar (the map here needs JavaScript).

Weather news in South Dakota

More weather news
  • Western South Dakota warms toward 80 before weekend cooldown

    KOTA Territory News Western South Dakota warms toward 80 before weekend cooldown Dry start, warmer days ahead before rain chances return to KOTA Territory Rapid City forecast: Breezy warmth, fire concerns before rain…

    kotatv.com·2 days ago
  • South Dakota Winter Weather: Sioux Falls Snow Near Nov. 6?

    Sioux Falls, SD – South Dakota residents wondering when the first measurable snowfall of the 2026 winter season might arrive have an early November date to watch. Sioux Falls typically records its first accumulating…

    NewsBreak·6 days ago
  • Freeze Warning Issued for Parts of South Dakota and Minnesota

    Forecasters say sub‑freezing temperatures could dip to around 30 degrees, bringing the first significant freeze of the season to the region. Areas in the warning in South Dakota include Codington, Deuel, Grant, and…

    mykxlg.com·6 days ago
  • Freeze Watch Posted for Eastern South Dakota

    Go Watertown Radio SIOUX FALLS, S.D.–Low temperatures are forecasted to fall down to near to just below freezing near and east of the James River early Saturday morning. These freezing temperatures could be hazardous to…

    Go Watertown·6 days ago
  • South Dakota Declares October 28 Winter Weather Preparedness Day

    Like it or not, it's coming. According to the calendar, winter doesn't officially arrive until December 21st, but we know better around here. To get ready for everything winter can throw at us, the National Weather…

    ESPN Sioux Falls·6 days ago
  • NOAA: El Niño Likely to Bring Warmer-Than-Average Winter to South Dakota

    Northeast Radio SD News – Watertown, SD - The National Weather Service says the Northern Plains should prepare for a warmer‑than‑average winter, as strong El Niño conditions are expected to influence temperatures and…

    Northeast Radio SD·7 days ago

Air quality

28
Good
Ozone

Air quality is satisfactory, and air pollution poses little or no risk.

Rapid City, SD reporting area · 1 hr ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.

Sun & moon

Sunrise 7:22 AM
Sunset 5:59 PM
Daylight 10 h 37 min (−2 min 54 s tomorrow)
Waxing Gibbous · 91% lit
Moonrise 4:31 PM Moonset 4:28 AM
Full moon Oct 26 New moon Nov 9

Almanac

Monthly
Normal high / low55° / 33°
Month to date0.80 in (normal 1.64 in)

Spearfish, records since 1893. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).

Nearby

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use.