Belle Fourche, SD Weather Forecast & Current Conditions

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Belle Fourche Weather Map
UTC Time: 9/17/2026, 17:30
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
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Belle Fourche, SD Regional Weather

Expires:202609171800;;610011
ASUS43 KFSD 171710
RWRSD 

WEATHER ROUNDUP FOR SOUTH DAKOTA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1200 PM CDT THU SEP 17 2026

NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.



SDZ012>016-024>037-041>051-057-063-072>074-171800-
SOUTHWEST AND SOUTH CENTRAL SOUTH DAKOTA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
RAPID CTY ARPT PTSUNNY   68  52  56 SE12      30.28F TC  20           
PIERRE         PTSUNNY   67  57  70 E7        30.27S TC  19           
CUSTER         CLOUDY    59  49  69 E3        30.39R TC  15           
ELLSWORTH AFB  PTSUNNY   68  51  56 S14       30.25F TC  20           
PHILIP         MOSUNNY   66  57  72 E10       30.26F TC  19           
SPEARFISH      PTSUNNY   73  46  38 SE15      30.24F TC  23           
WINNER         CLOUDY    64  58  80 E10       30.29F TC  18           
$$
 

SKY/WX - Weather  TMP - Temperature  DP - Dew Point  RH - Humidity
WIND - Wind Direction/Speed PRES - Barometric Pressure VSB - Visibility
WCI - Wind Chill Index E13G22 Wind - East Wind 13 mph/Gusts of 22 mph

Belle Fourche, SD

Today
Rain Showers
75°/ 55° 24°/ 13°
70%
Friday
Cloudy
75°/ 52° 24°/ 11°
70%
Saturday
Thunderstorms
68°/ 50° 20°/ 10°
90%
Sunday
Thunderstorms
62°/ 48° 17°/
90%
Monday
Rain Showers
68°/ 48° 20°/
20%
Tuesday
Cloudy
75°/ 50° 24°/ 10°
20%
Wednesday
Cloudy
78°26°
0%

Day: Mostly cloudy. Showers likely this afternoon. Highs in the mid 70s. East winds 10 to 20 mph with gusts up to 40 mph. Chance of rain 70 percent.

Night: Cloudy with showers likely. Breezy with lows in the mid 50s. Southeast winds 20 to 30 mph, becoming east 10 to 20 mph after midnight. Chance of rain 70 percent.

Spearfish, SD

Today
Rain Showers
75°/ 55° 24°/ 13°
70%
Friday
Mostly Cloudy
75°/ 55° 24°/ 13°
70%
Saturday
Thunderstorms
68°/ 52° 20°/ 11°
90%
Sunday
Thunderstorms
62°/ 48° 17°/
90%
Monday
Rain Showers
68°/ 48° 20°/
50%
Tuesday
Cloudy
75°/ 52° 24°/ 11°
0%
Wednesday
Cloudy
78°26°
0%

Day: Cloudy. A slight chance of showers this morning, then showers likely this afternoon. Highs in the mid 70s. East winds 10 to 20 mph with gusts up to 35 mph. Chance of rain 70 percent.

Night: Cloudy. Showers likely in the evening, then a chance of showers after midnight. Lows in the mid 50s. East winds 10 to 20 mph, diminishing to 5 to 10 mph after midnight. Gusts up to 30 mph. Chance of rain 70 percent.

Colony, WY

Today
Rain Showers
75°/ 52° 24°/ 11°
70%
Friday
Mostly Cloudy
75°/ 52° 24°/ 11°
70%
Saturday
Thunderstorms
68°/ 48° 20°/
90%
Sunday
Thunderstorms
65°/ 48° 18°/
90%
Monday
Rain Showers
70°/ 45° 21°/
50%
Tuesday
Cloudy
78°/ 48° 26°/
0%
Wednesday
Cloudy
80°27°
0%

Day: Cloudy. A slight chance of showers this morning, then showers likely this afternoon. Highs in the mid 70s. East winds 10 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent.

Night: Cloudy. Showers likely in the evening, then a chance of showers after midnight. Lows in the lower 50s. East winds 10 to 20 mph, diminishing to 5 to 10 mph after midnight. Gusts up to 30 mph. Chance of rain 70 percent.

Lead, SD

Today
Thunderstorms
68°/ 48° 20°/
90%
Friday
Mostly Cloudy
72°/ 48° 22°/
70%
Saturday
Thunderstorms
65°/ 45° 18°/
90%
Sunday
Thunderstorms
58°/ 42° 14°/
80%
Monday
Thunderstorms
65°/ 42° 18°/
60%
Tuesday
Rain Showers
72°/ 45° 22°/
20%
Wednesday
Cloudy
75°24°
0%

Day: Cloudy. A slight chance of showers this morning, then showers with a slight chance of thunderstorms this afternoon. Highs in the upper 60s. Southeast winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 90 percent.

Night: Cloudy with showers likely. Lows in the upper 40s. Southeast winds 5 to 10 mph. Gusts up to 25 mph in the evening. Chance of rain 70 percent.

Sturgis, SD

Today
Rain Showers
75°/ 55° 24°/ 13°
70%
Friday
Cloudy
75°/ 55° 24°/ 13°
50%
Saturday
Thunderstorms
68°/ 52° 20°/ 11°
90%
Sunday
Thunderstorms
62°/ 48° 17°/
90%
Monday
Thunderstorms
68°/ 48° 20°/
60%
Tuesday
Cloudy
75°/ 52° 24°/ 11°
20%
Wednesday
Cloudy
78°26°
0%

Day: Cloudy. A slight chance of showers this morning, then showers likely this afternoon. Highs in the mid 70s. Southeast winds 10 to 15 mph with gusts up to 35 mph. Chance of rain 70 percent.

Night: Showers likely. Lows in the mid 50s. East winds 10 to 15 mph. Gusts up to 30 mph in the evening. Chance of rain 70 percent.

Sundance, WY

Today
Thunderstorms
72°/ 52° 22°/ 11°
90%
Friday
Cloudy
75°/ 52° 24°/ 11°
70%
Saturday
Thunderstorms
68°/ 48° 20°/
90%
Sunday
Thunderstorms
62°/ 45° 17°/
70%
Monday
Rain Showers
68°/ 48° 20°/
50%
Tuesday
Sunny
75°/ 50° 24°/ 10°
0%
Wednesday
Cloudy
78°26°
0%

Day: Cloudy. A slight chance of showers this morning, then showers with a slight chance of thunderstorms this afternoon. Highs in the lower 70s. Southeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 90 percent.

Night: Mostly cloudy. Showers likely with a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the lower 50s. East winds 5 to 10 mph. Gusts up to 25 mph in the evening. Chance of rain 70 percent.

Moorcroft, WY

Today
Rain Showers
78°/ 50° 26°/ 10°
90%
Friday
Cloudy
82°/ 50° 28°/ 10°
90%
Saturday
Thunderstorms
72°/ 45° 22°/
90%
Sunday
Thunderstorms
68°/ 42° 20°/
90%
Monday
Rain Showers
75°/ 45° 24°/
20%
Tuesday
Sunny
80°/ 48° 27°/
0%
Wednesday
Cloudy
82°28°
0%

Day: Cloudy. A slight chance of showers this morning, then showers this afternoon. Highs in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.

Night: Cloudy with showers likely in the evening, then partly cloudy with a slight chance of showers after midnight. Lows around 50. Southeast winds 5 to 10 mph. Gusts up to 25 mph in the evening. Chance of rain 70 percent.

Ellsworth AFB, SD

Today
Rain Showers
78°/ 55° 26°/ 13°
70%
Friday
Rain Showers
75°/ 52° 24°/ 11°
50%
Saturday
Rain Showers
68°/ 52° 20°/ 11°
90%
Sunday
Thunderstorms
65°/ 48° 18°/
90%
Monday
Rain Showers
68°/ 48° 20°/
40%
Tuesday
Cloudy
75°/ 52° 24°/ 11°
20%
Wednesday
Rain Showers
80°27°
20%

Day: Mostly cloudy. A chance of showers this afternoon. Highs in the upper 70s. East winds 10 to 15 mph with gusts up to 35 mph. Chance of rain 50 percent.

Night: Showers likely with a slight chance of thunderstorms in the evening, then showers likely after midnight. Lows in the mid 50s. East winds 10 to 20 mph. Gusts up to 35 mph in the evening. Chance of rain 70 percent.

Buffalo, SD

Today
Rain Showers
75°/ 52° 24°/ 11°
70%
Friday
Mostly Cloudy
72°/ 52° 22°/ 11°
50%
Saturday
Rain Showers
68°/ 50° 20°/ 10°
90%
Sunday
Thunderstorms
65°/ 48° 18°/
90%
Monday
Rain Showers
68°/ 48° 20°/
20%
Tuesday
Mostly Cloudy
75°/ 48° 24°/
0%
Wednesday
Cloudy
78°26°
0%

Day: Mostly cloudy. A slight chance of showers this afternoon. Highs in the mid 70s. East winds 10 to 20 mph. Gusts up to 30 mph, increasing to 40 mph this afternoon. Chance of rain 20 percent.

Night: Cloudy. Showers likely in the evening, then a chance of showers after midnight. Breezy with lows in the lower 50s. Southeast winds 20 to 30 mph with gusts up to 40 mph, diminishing to 10 to 20 mph with gusts up to 30 mph after midnight. Chance of rain 70 percent.

Hill City, SD

Today
Thunderstorms
68°/ 52° 20°/ 11°
90%
Friday
Mostly Cloudy
72°/ 52° 22°/ 11°
60%
Saturday
Thunderstorms
65°/ 48° 18°/
90%
Sunday
Thunderstorms
58°/ 45° 14°/
90%
Monday
Thunderstorms
65°/ 45° 18°/
60%
Tuesday
Rain Showers
70°/ 48° 21°/
30%
Wednesday
Cloudy
75°24°
0%

Day: Cloudy. A slight chance of showers this morning, then showers with a slight chance of thunderstorms this afternoon. Highs in the upper 60s. East winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 90 percent.

Night: Showers likely with a slight chance of thunderstorms in the evening, then showers likely after midnight. Lows in the lower 50s. Northeast winds 5 to 10 mph. Gusts up to 30 mph in the evening. Chance of rain 70 percent.

Rapid City, SD

Today
Thunderstorms
75°/ 55° 24°/ 13°
70%
Friday
Mostly Cloudy
75°/ 55° 24°/ 13°
40%
Saturday
Thunderstorms
68°/ 52° 20°/ 11°
90%
Sunday
Thunderstorms
62°/ 48° 17°/
90%
Monday
Rain Showers
68°/ 48° 20°/
60%
Tuesday
Cloudy
75°/ 52° 24°/ 11°
30%
Wednesday
Cloudy
78°26°
0%

Day: Mostly cloudy. Showers likely with a slight chance of thunderstorms this afternoon. Highs in the mid 70s. East winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 70 percent.

Night: Showers likely with a slight chance of thunderstorms in the evening, then showers likely after midnight. Lows in the mid 50s. Northeast winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 70 percent.

Faith, SD

Today
Rain Showers
75°/ 55° 24°/ 13°
70%
Friday
Rain Showers
72°/ 52° 22°/ 11°
30%
Saturday
Rain Showers
68°/ 50° 20°/ 10°
70%
Sunday
Thunderstorms
62°/ 48° 17°/
90%
Monday
Rain Showers
68°/ 48° 20°/
40%
Tuesday
Mostly Cloudy
75°/ 50° 24°/ 10°
20%
Wednesday
Rain Showers
78°26°
20%

Day: Mostly cloudy. A chance of showers this afternoon. Highs in the mid 70s. East winds 10 to 20 mph with gusts up to 35 mph. Chance of rain 50 percent.

Night: Showers likely. Breezy with lows in the mid 50s. East winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 70 percent.

Box Elder, SD

Today
Thunderstorms
78°/ 55° 26°/ 13°
70%
Friday
Rain Showers
72°/ 52° 22°/ 11°
40%
Saturday
Rain Showers
68°/ 52° 20°/ 11°
90%
Sunday
Thunderstorms
65°/ 48° 18°/
90%
Monday
Rain Showers
68°/ 48° 20°/
40%
Tuesday
Cloudy
75°/ 52° 24°/ 11°
40%
Wednesday
Rain Showers
78°26°
20%

Day: Mostly cloudy. A chance of showers with a slight chance of thunderstorms this afternoon. Highs in the upper 70s. East winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 50 percent.

Night: Showers likely with a chance of thunderstorms in the evening, then showers likely after midnight. Breezy with lows in the mid 50s. East winds 15 to 25 mph, becoming northeast 10 to 15 mph after midnight. Gusts up to 35 mph. Chance of rain 70 percent.

Rochelle, WY

Today
Thunderstorms
75°/ 52° 24°/ 11°
90%
Friday
Rain Showers
80°/ 52° 27°/ 11°
70%
Saturday
Thunderstorms
72°/ 48° 22°/
90%
Sunday
Thunderstorms
65°/ 45° 18°/
90%
Monday
Cloudy
72°/ 48° 22°/
0%
Tuesday
Cloudy
75°/ 48° 24°/
0%
Wednesday
Cloudy
80°27°
0%

Day: Cloudy. A chance of showers this morning, then showers with a slight chance of thunderstorms this afternoon. Highs in the mid 70s. Southeast winds 10 to 20 mph with gusts up to 30 mph. Chance of rain 90 percent.

Night: Mostly cloudy. Showers likely with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the lower 50s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.

Usta, SD

Today
Rain Showers
75°/ 52° 24°/ 11°
70%
Friday
Rain Showers
72°/ 50° 22°/ 10°
40%
Saturday
Rain Showers
68°/ 48° 20°/
70%
Sunday
Rain Showers
62°/ 48° 17°/
80%
Monday
Rain Showers
68°/ 48° 20°/
30%
Tuesday
Cloudy
75°/ 48° 24°/
20%
Wednesday
Rain Showers
78°26°
20%

Day: Mostly cloudy. Patchy fog this morning. A slight chance of showers this afternoon. Highs in the mid 70s. East winds 10 to 20 mph with gusts up to 35 mph. Chance of rain 20 percent.

Night: Showers likely. Lows in the lower 50s. East winds 10 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent.

Newcastle, WY

Today
Thunderstorms
75°/ 52° 24°/ 11°
90%
Friday
Cloudy
78°/ 52° 26°/ 11°
60%
Saturday
Thunderstorms
72°/ 48° 22°/
90%
Sunday
Thunderstorms
65°/ 48° 18°/
80%
Monday
Rain Showers
68°/ 48° 20°/
20%
Tuesday
Cloudy
75°/ 50° 24°/ 10°
20%
Wednesday
Cloudy
78°26°
0%

Day: Cloudy. A chance of showers this morning, then showers with a chance of thunderstorms this afternoon. Highs in the mid 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.

Night: Cloudy. Showers likely with a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the lower 50s. Southeast winds 10 to 15 mph with gusts up to 30 mph, becoming southwest around 5 mph after midnight. Chance of rain 70 percent.

Hermosa, SD

Today
Thunderstorms
75°/ 55° 24°/ 13°
70%
Friday
Mostly Cloudy
75°/ 55° 24°/ 13°
40%
Saturday
Thunderstorms
70°/ 52° 21°/ 11°
70%
Sunday
Thunderstorms
65°/ 48° 18°/
90%
Monday
Rain Showers
68°/ 48° 20°/
50%
Tuesday
Rain Showers
75°/ 52° 24°/ 11°
30%
Wednesday
Cloudy
80°27°
0%

Day: Mostly cloudy. Showers likely with a slight chance of thunderstorms this afternoon. Highs in the mid 70s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.

Night: Showers likely with a slight chance of thunderstorms in the evening, then showers likely after midnight. Locally heavy rainfall possible in the evening. Lows in the mid 50s. North winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.

Gillette, WY

Today
Rain Showers
78°/ 52° 26°/ 11°
70%
Friday
Cloudy
82°/ 52° 28°/ 11°
0%
Saturday
Thunderstorms
72°/ 48° 22°/
90%
Sunday
Thunderstorms
65°/ 45° 18°/
90%
Monday
Cloudy
75°/ 48° 24°/
0%
Tuesday
Sunny
82°/ 50° 28°/ 10°
0%
Wednesday
Sunny
82°28°
0%

Day: Cloudy. Showers likely this afternoon. Highs in the upper 70s. Southeast winds 5 to 10 mph, increasing to 10 to 20 mph this afternoon. Gusts up to 35 mph. Chance of rain 70 percent.

Night: Mostly cloudy with showers likely in the evening, then partly cloudy after midnight. Lows in the lower 50s. Southeast winds 10 to 15 mph. Gusts up to 35 mph, decreasing to 25 mph after midnight. Chance of rain 70 percent.

Pringle, SD

Today
Thunderstorms
72°/ 55° 22°/ 13°
90%
Friday
Mostly Cloudy
75°/ 55° 24°/ 13°
60%
Saturday
Thunderstorms
68°/ 52° 20°/ 11°
70%
Sunday
Thunderstorms
62°/ 48° 17°/
90%
Monday
Rain Showers
68°/ 50° 20°/ 10°
50%
Tuesday
Rain Showers
72°/ 52° 22°/ 11°
30%
Wednesday
Cloudy
78°26°
0%

Day: Cloudy. A slight chance of showers this morning, then showers with a chance of thunderstorms this afternoon. Highs in the lower 70s. East winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 90 percent.

Night: Cloudy. Showers likely with a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the mid 50s. Northeast winds 10 to 20 mph with gusts up to 30 mph, diminishing to 5 to 10 mph with gusts up to 20 mph after midnight. Chance of rain 70 percent.

Folsom, SD

Today
Thunderstorms
78°/ 55° 26°/ 13°
70%
Friday
Mostly Cloudy
75°/ 52° 24°/ 11°
40%
Saturday
Thunderstorms
72°/ 50° 22°/ 10°
90%
Sunday
Thunderstorms
65°/ 48° 18°/
90%
Monday
Rain Showers
70°/ 48° 21°/
30%
Tuesday
Rain Showers
78°/ 52° 26°/ 11°
30%
Wednesday
Cloudy
82°28°
0%

Day: Mostly cloudy. Showers likely with a slight chance of thunderstorms this afternoon. Highs in the upper 70s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.

Night: Showers likely with a slight chance of thunderstorms in the evening, then showers likely after midnight. Lows in the mid 50s. Northeast winds 10 to 15 mph. Gusts up to 30 mph, decreasing to 20 mph after midnight. Chance of rain 70 percent.

Names listed above may include county names.

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