National Weather Service Forecast for: Belle Fourche SD
Issued by: National Weather Service Rapid City, SD
Updated: 12:27 pm MDT Jul 28, 2026
 
This
Afternoon
This Afternoon: A 20 percent chance of showers and thunderstorms. Sunny, with a high near 96. East wind 9 to 14 mph, with gusts as high as 21 mph.
Slight Chance
T-storms

 Tonight

Tonight: A 20 percent chance of showers and thunderstorms before 8pm. Patchy smoke between 10pm and 11pm. Partly cloudy, with a low around 64. East wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Slight Chance
T-storms then
Partly Cloudy
 Wednesday

Wednesday: A 30 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 98. Light southeast wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Sunny then
Chance
T-storms
 Wednesday
Night
Wednesday Night: Showers and thunderstorms likely, mainly before midnight. Increasing clouds, with a low around 63. Southeast wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 60%.
T-storms
Likely

 Thursday

Thursday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Cloudy through mid morning, then gradual clearing, with a high near 91. Light and variable wind becoming north 8 to 13 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 50%.
Slight Chance
Showers then
Chance
T-storms
 Thursday
Night
Thursday Night: A 30 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 60. North wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Chance
Showers then
Mostly Clear
 Friday

Friday: A 30 percent chance of showers and thunderstorms after noon. Sunny, with a high near 93.
Sunny then
Chance
Showers
 Friday
Night
Friday Night: Mostly clear, with a low around 62.
Mostly Clear

 Saturday

Saturday: Sunny, with a high near 99.
Sunny
Hi 96 °F Lo 64 °F Hi 98 °F Lo 63 °F Hi 91 °F Lo 60 °F Hi 93 °F Lo 62 °F Hi 99 °F

 

This Afternoon
 
 A 20 percent chance of showers and thunderstorms. Sunny, with a high near 96. East wind 9 to 14 mph, with gusts as high as 21 mph.
Tonight
 
 A 20 percent chance of showers and thunderstorms before 8pm. Patchy smoke between 10pm and 11pm. Partly cloudy, with a low around 64. East wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Wednesday
 
 A 30 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 98. Light southeast wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Wednesday Night
 
 Showers and thunderstorms likely, mainly before midnight. Increasing clouds, with a low around 63. Southeast wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 60%.
Thursday
 
 A slight chance of showers, then a chance of showers and thunderstorms after noon. Cloudy through mid morning, then gradual clearing, with a high near 91. Light and variable wind becoming north 8 to 13 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 50%.
Thursday Night
 
 A 30 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 60. North wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Friday
 
 A 30 percent chance of showers and thunderstorms after noon. Sunny, with a high near 93.
Friday Night
 
 Mostly clear, with a low around 62.
Saturday
 
 Sunny, with a high near 99.
Saturday Night
 
 Mostly clear, with a low around 69. Breezy.
Sunday
 
 Sunny and hot, with a high near 102.
Sunday Night
 
 Mostly clear, with a low around 65.
Monday
 
 Sunny, with a high near 88. Breezy.

 

Forecast from NOAA-NWS for Belle Fourche SD.