National Weather Service Forecast for: Belle Fourche SD
Issued by: National Weather Service Rapid City, SD
Updated: 6:48 am MDT Jun 22, 2026
 
Today

Today: Areas of showers, then showers and thunderstorms likely after noon.  Areas of fog before 9am.  Otherwise, mostly cloudy, with a high near 71. Light east wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 23 mph.  Chance of precipitation is 70%.
Areas Drizzle
and Areas Fog
then T-storms
Likely
Tonight

Tonight: A 40 percent chance of showers and thunderstorms, mainly before 3am.  Mostly cloudy, with a low around 53. Southeast wind 5 to 11 mph becoming northwest in the evening. Winds could gust as high as 23 mph.
Chance
T-storms

Tuesday

Tuesday: A 20 percent chance of showers and thunderstorms before 9am.  Mostly sunny, with a high near 73. Northwest wind 8 to 14 mph, with gusts as high as 24 mph.
Slight Chance
T-storms then
Mostly Sunny

Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 46. Northwest wind 8 to 13 mph becoming light and variable  in the evening. Winds could gust as high as 23 mph.
Partly Cloudy


Wednesday

Wednesday: A chance of showers, with thunderstorms also possible after 3pm.  Partly sunny, with a high near 72. Light and variable wind becoming east 5 to 8 mph in the morning.  Chance of precipitation is 40%.
Chance
Showers

Wednesday
Night
Wednesday Night: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 48. Northeast wind 5 to 8 mph becoming light and variable  after midnight.  Chance of precipitation is 20%.
Slight Chance
T-storms then
Slight Chance
Showers
Thursday

Thursday: A slight chance of showers, then showers likely and possibly a thunderstorm after noon.  Mostly sunny, with a high near 74. Breezy.  Chance of precipitation is 60%.
Slight Chance
Showers then
Showers
Likely and
Breezy
Thursday
Night
Thursday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight.  Mostly cloudy, with a low around 51. Breezy.
Showers
Likely and
Breezy

Friday

Friday: Partly sunny, with a high near 81. Breezy.
Mostly Cloudy
then Mostly
Sunny and
Breezy
Hi 71 °F Lo 53 °F Hi 73 °F Lo 46 °F Hi 72 °F Lo 48 °F Hi 74 °F Lo 51 °F Hi 81 °F

 

Today
 
Areas of showers, then showers and thunderstorms likely after noon. Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 71. Light east wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 70%.
Tonight
 
A 40 percent chance of showers and thunderstorms, mainly before 3am. Mostly cloudy, with a low around 53. Southeast wind 5 to 11 mph becoming northwest in the evening. Winds could gust as high as 23 mph.
Tuesday
 
A 20 percent chance of showers and thunderstorms before 9am. Mostly sunny, with a high near 73. Northwest wind 8 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
 
Partly cloudy, with a low around 46. Northwest wind 8 to 13 mph becoming light and variable in the evening. Winds could gust as high as 23 mph.
Wednesday
 
A chance of showers, with thunderstorms also possible after 3pm. Partly sunny, with a high near 72. Light and variable wind becoming east 5 to 8 mph in the morning. Chance of precipitation is 40%.
Wednesday Night
 
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 48. Northeast wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 20%.
Thursday
 
A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 74. Breezy. Chance of precipitation is 60%.
Thursday Night
 
Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 51. Breezy.
Friday
 
Partly sunny, with a high near 81. Breezy.
Friday Night
 
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 56. Breezy.
Saturday
 
A chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Saturday Night
 
Showers and thunderstorms likely. Partly cloudy, with a low around 53.
Sunday
 
A chance of showers and thunderstorms. Mostly sunny, with a high near 75. Breezy.

 

Forecast from NOAA-NWS for Belle Fourche SD.