National Weather Service Forecast for: Belle Fourche SD
Issued by: National Weather Service Rapid City, SD
Updated: 10:48 am MDT Mar 19, 2026
 
Today

Today: Mostly sunny, with a high near 81. Breezy, with a west wind 13 to 20 mph, with gusts as high as 30 mph.
Mostly Sunny
and Breezy

 Tonight

Tonight: Mostly clear, with a low around 44. West wind 8 to 14 mph, with gusts as high as 22 mph.
Mostly Clear

 Friday

Friday: Sunny, with a high near 82. West wind 7 to 16 mph, with gusts as high as 24 mph.
Sunny

 Friday
Night
Friday Night: Partly cloudy, with a low around 47. West wind 6 to 13 mph becoming southwest in the evening.
Partly Cloudy

 Saturday

Saturday: Mostly sunny, with a high near 85. Breezy, with a southwest wind 7 to 12 mph becoming northwest 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph.
Mostly Sunny
then Mostly
Sunny and
Breezy
 Saturday
Night
Saturday Night: A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 37. Breezy, with a northwest wind 13 to 22 mph, with gusts as high as 30 mph.
Mostly Cloudy
and Breezy
then Chance
Showers
 Sunday

Sunday: Mostly sunny, with a high near 58. Northwest wind 13 to 18 mph, with gusts as high as 25 mph.
Mostly Sunny

 Sunday
Night
Sunday Night: Partly cloudy, with a low around 32. North wind 5 to 11 mph becoming southeast after midnight. Winds could gust as high as 17 mph.
Partly Cloudy

 Monday

Monday: Partly sunny, with a high near 63.
Partly Sunny
Hi 81 °F Lo 44 °F Hi 82 °F Lo 47 °F Hi 85 °F Lo 37 °F Hi 58 °F Lo 32 °F Hi 63 °F

Hazardous Weather Outlook
Extreme Fire Danger
Red Flag Warning
 

Today
 
 Mostly sunny, with a high near 81. Breezy, with a west wind 13 to 20 mph, with gusts as high as 30 mph.
Tonight
 
 Mostly clear, with a low around 44. West wind 8 to 14 mph, with gusts as high as 22 mph.
Friday
 
 Sunny, with a high near 82. West wind 7 to 16 mph, with gusts as high as 24 mph.
Friday Night
 
 Partly cloudy, with a low around 47. West wind 6 to 13 mph becoming southwest in the evening.
Saturday
 
 Mostly sunny, with a high near 85. Breezy, with a southwest wind 7 to 12 mph becoming northwest 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
 
 A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 37. Breezy, with a northwest wind 13 to 22 mph, with gusts as high as 30 mph.
Sunday
 
 Mostly sunny, with a high near 58. Northwest wind 13 to 18 mph, with gusts as high as 25 mph.
Sunday Night
 
 Partly cloudy, with a low around 32. North wind 5 to 11 mph becoming southeast after midnight. Winds could gust as high as 17 mph.
Monday
 
 Partly sunny, with a high near 63.
Monday Night
 
 Mostly cloudy, with a low around 34.
Tuesday
 
 Partly sunny, with a high near 63.
Tuesday Night
 
 Mostly cloudy, with a low around 40.
Wednesday
 
 Partly sunny, with a high near 72.

 

Forecast from NOAA-NWS for Belle Fourche SD.