National Weather Service Forecast for: Belle Fourche SD
Issued by: National Weather Service Rapid City, SD
Updated: 10:27 pm MST Feb 1, 2026
 
Tonight

Tonight: Patchy fog after 2am. Otherwise, mostly cloudy, with a temperature rising to around 30 by 5am. Wind chill values as low as 20. Light and variable wind becoming west 5 to 7 mph after midnight.
Patchy Fog


 Monday

Monday: Mostly sunny, with a high near 51. Breezy, with a northwest wind 11 to 16 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 40 mph.
Mostly Sunny
and Breezy

 Monday
Night
Monday Night: Partly cloudy, with a low around 30. West wind 10 to 15 mph, with gusts as high as 25 mph.
Partly Cloudy


 Tuesday

Tuesday: A chance of snow before 10am, then a chance of rain. Mostly cloudy, with a high near 46. Breezy, with a northwest wind 11 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Chance
Rain/Snow
then Chance
Rain and
Breezy
 Tuesday
Night
Tuesday Night: Mostly cloudy, with a low around 25. Northwest wind 9 to 14 mph, with gusts as high as 23 mph.
Mostly Cloudy


 Wednesday

Wednesday: Mostly sunny, with a high near 52. West wind 8 to 13 mph, with gusts as high as 20 mph.
Mostly Sunny


 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 36. West wind 11 to 16 mph, with gusts as high as 25 mph.
Partly Cloudy


 Thursday

Thursday: Sunny, with a high near 61. Breezy, with a west wind 15 to 21 mph, with gusts as high as 31 mph.
Sunny and
Breezy

 Thursday
Night
Thursday Night: Mostly clear, with a low around 31.
Mostly Clear
Lo 27 °F⇑ Hi 51 °F Lo 30 °F Hi 46 °F Lo 25 °F Hi 52 °F Lo 36 °F Hi 61 °F Lo 31 °F

 

Tonight
 
 Patchy fog after 2am. Otherwise, mostly cloudy, with a temperature rising to around 30 by 5am. Wind chill values as low as 20. Light and variable wind becoming west 5 to 7 mph after midnight.
Monday
 
 Mostly sunny, with a high near 51. Breezy, with a northwest wind 11 to 16 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 40 mph.
Monday Night
 
 Partly cloudy, with a low around 30. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
 
 A chance of snow before 10am, then a chance of rain. Mostly cloudy, with a high near 46. Breezy, with a northwest wind 11 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tuesday Night
 
 Mostly cloudy, with a low around 25. Northwest wind 9 to 14 mph, with gusts as high as 23 mph.
Wednesday
 
 Mostly sunny, with a high near 52. West wind 8 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
 
 Partly cloudy, with a low around 36. West wind 11 to 16 mph, with gusts as high as 25 mph.
Thursday
 
 Sunny, with a high near 61. Breezy, with a west wind 15 to 21 mph, with gusts as high as 31 mph.
Thursday Night
 
 Mostly clear, with a low around 31.
Friday
 
 Sunny, with a high near 54.
Friday Night
 
 Mostly clear, with a low around 29.
Saturday
 
 Mostly sunny, with a high near 55.
Saturday Night
 
 Partly cloudy, with a low around 31.
Sunday
 
 Mostly sunny, with a high near 57.

 

Forecast from NOAA-NWS for Belle Fourche SD.