Trojan, SD Weather Forecast & Current Conditions

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Trojan, SD Weather Maps

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Trojan Weather Map
UTC Time: 9/26/2026, 17:57
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Trojan, SD Regional Weather

Expires:202609261800;;093982
ASUS43 KFSD 261710
RWRSD 

WEATHER ROUNDUP FOR SOUTH DAKOTA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1200 PM CDT SAT SEP 26 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>074-261800-
SOUTHWEST AND SOUTH CENTRAL SOUTH DAKOTA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
RAPID CTY ARPT SUNNY     72  54  53 N29G40    29.91S TC  22           
PIERRE         PTSUNNY   74  65  73 S13       29.86R TC  23           
CUSTER         SUNNY     74  38  27 N5        30.03S TC  23           
ELLSWORTH AFB  SUNNY     71  51  48 N23G35    29.90R TC  22           
PHILIP         MOSUNNY   76  62  62 W9        29.87S TC  24           
SPEARFISH      SUNNY     68  43  40 W10G20    30.02R TC  20           
WINNER         CLOUDY    69  64  84 S12       29.90F TC  21           
$$
 

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

Trojan, SD

Today
Sunny
70°/ 45° 21°/ 7°
0%
Sunday
Rain Showers
68°/ 48° 20°/ 9°
60%
Monday
Thunderstorms
68°/ 45° 20°/ 7°
80%
Tuesday
Cloudy
62°/ 45° 17°/ 7°
0%
Wednesday
Sunny
65°/ 42° 18°/ 6°
0%
Thursday
Sunny
62°/ 42° 17°/ 6°
0%
Friday
Cloudy
65°18°
0%

Day: Sunny. Highs around 70. Northwest winds 5 to 10 mph with gusts up to 30 mph.

Night: Clear in the evening, then becoming partly cloudy. Lows in the mid 40s. Southeast winds 5 to 10 mph. Gusts up to 20 mph after midnight.

Spearfish, SD

Today
Sunny
72°/ 50° 22°/ 10°
0%
Sunday
Rain Showers
68°/ 55° 20°/ 13°
60%
Monday
Thunderstorms
68°/ 50° 20°/ 10°
70%
Tuesday
Cloudy
68°/ 52° 20°/ 11°
0%
Wednesday
Sunny
72°/ 48° 22°/ 9°
0%
Thursday
Sunny
68°/ 48° 20°/ 9°
0%
Friday
Cloudy
68°20°
0%

Day: Sunny. Highs in the lower 70s. Northwest winds 10 to 15 mph. Gusts up to 40 mph, decreasing to 30 mph this afternoon.

Night: Clear in the evening, then becoming partly cloudy. Lows around 50. Southeast winds 10 to 15 mph. Gusts up to 30 mph after midnight.

Sturgis, SD

Today
Sunny
75°/ 52° 24°/ 11°
0%
Sunday
Rain Showers
68°/ 58° 20°/ 14°
60%
Monday
Thunderstorms
72°/ 52° 22°/ 11°
70%
Tuesday
Cloudy
68°/ 52° 20°/ 11°
0%
Wednesday
Sunny
72°/ 52° 22°/ 11°
0%
Thursday
Sunny
65°/ 52° 18°/ 11°
0%
Friday
Cloudy
68°20°
0%

Day: Sunny. Highs in the mid 70s. Northwest winds 10 to 20 mph with gusts up to 45 mph.

Night: Clear in the evening, then becoming partly cloudy. Lows in the lower 50s. South winds 5 to 10 mph, increasing to southwest 10 to 20 mph with gusts up to 35 mph after midnight.

Colony, WY

Afternoon
Sunny
72°/ 45° 22°/ 7°
0%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
50%
Monday
Thunderstorms
72°/ 48° 22°/ 9°
70%
Tuesday
Sunny
72°/ 48° 22°/ 9°
0%
Wednesday
Sunny
75°/ 48° 24°/ 9°
0%
Thursday
Sunny
70°/ 48° 21°/ 9°
0%
Friday
Sunny
72°22°
0%

Day: Sunny. Highs in the lower 70s. North winds 10 to 15 mph.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 40s. Northeast winds 10 to 15 mph. Gusts up to 25 mph after midnight.

Belle Fourche, SD

Today
Cloudy
75°/ 48° 24°/ 9°
0%
Sunday
Mostly Cloudy
68°/ 55° 20°/ 13°
70%
Monday
Thunderstorms
72°/ 52° 22°/ 11°
50%
Tuesday
Cloudy
70°/ 50° 21°/ 10°
0%
Wednesday
Sunny
72°/ 48° 22°/ 9°
0%
Thursday
Sunny
68°/ 48° 20°/ 9°
0%
Friday
Cloudy
68°20°
0%

Day: Partly cloudy this morning, then clearing. Patchy fog this morning. Highs in the mid 70s. Northwest winds 10 to 20 mph with gusts up to 40 mph.

Night: Clear in the evening, then becoming partly cloudy. Lows in the upper 40s. Northeast winds 5 to 10 mph, increasing to 10 to 20 mph with gusts up to 30 mph after midnight.

Sundance, WY

Afternoon
Sunny
72°/ 45° 22°/ 7°
0%
Sunday
Cloudy
65°/ 55° 18°/ 13°
50%
Monday
Thunderstorms
70°/ 48° 21°/ 9°
70%
Tuesday
Cloudy
68°/ 48° 20°/ 9°
0%
Wednesday
Sunny
72°/ 48° 22°/ 9°
0%
Thursday
Sunny
68°/ 48° 20°/ 9°
0%
Friday
Sunny
68°20°
0%

Day: Sunny. Highs in the lower 70s. North winds 5 to 10 mph.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 40s. East winds 5 to 10 mph. Gusts up to 20 mph after midnight.

Hill City, SD

Today
Sunny
72°/ 48° 22°/ 9°
0%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
60%
Monday
Thunderstorms
68°/ 48° 20°/ 9°
70%
Tuesday
Cloudy
62°/ 48° 17°/ 9°
0%
Wednesday
Sunny
68°/ 48° 20°/ 9°
0%
Thursday
Sunny
62°/ 45° 17°/ 7°
0%
Friday
Cloudy
65°18°
0%

Day: Sunny. Highs in the lower 70s. Northwest winds 5 to 10 mph, becoming southeast this afternoon. Gusts up to 25 mph.

Night: Clear in the evening, then becoming partly cloudy. Lows in the upper 40s. East winds 5 to 10 mph. Gusts up to 20 mph after midnight.

Rapid City, SD

Today
Sunny
75°/ 52° 24°/ 11°
0%
Sunday
Rain Showers
68°/ 55° 20°/ 13°
50%
Monday
Thunderstorms
72°/ 52° 22°/ 11°
70%
Tuesday
Cloudy
68°/ 52° 20°/ 11°
0%
Wednesday
Sunny
72°/ 52° 22°/ 11°
0%
Thursday
Sunny
65°/ 50° 18°/ 10°
0%
Friday
Cloudy
68°20°
0%

Day: Sunny. Highs in the mid 70s. North winds 10 to 15 mph with gusts up to 40 mph.

Night: Clear in the evening, then becoming partly cloudy. Lows in the lower 50s. Northwest winds 5 to 10 mph with gusts up to 20 mph, increasing to west 10 to 20 mph with gusts up to 35 mph after midnight.

Ellsworth AFB, SD

Today
Cloudy
75°/ 52° 24°/ 11°
0%
Sunday
Rain Showers
68°/ 58° 20°/ 14°
50%
Monday
Thunderstorms
75°/ 52° 24°/ 11°
50%
Tuesday
Cloudy
68°/ 52° 20°/ 11°
0%
Wednesday
Sunny
72°/ 52° 22°/ 11°
0%
Thursday
Cloudy
68°/ 50° 20°/ 10°
0%
Friday
Cloudy
68°20°
0%

Day: Partly cloudy this morning, then clearing. Patchy fog this morning. Breezy with highs in the mid 70s. West winds 10 to 15 mph, increasing to northwest 15 to 25 mph this afternoon. Gusts up to 45 mph.

Night: Clear in the evening, then becoming partly cloudy. Breezy with lows in the lower 50s. Northeast winds 5 to 10 mph, increasing to 15 to 25 mph with gusts up to 35 mph after midnight.

Rochelle, WY

Afternoon
Sunny
75°/ 45° 24°/ 7°
0%
Sunday
Mostly Cloudy
70°/ 52° 21°/ 11°
50%
Monday
Thunderstorms
72°/ 48° 22°/ 9°
40%
Tuesday
Cloudy
70°/ 48° 21°/ 9°
0%
Wednesday
Sunny
75°/ 48° 24°/ 9°
0%
Thursday
Sunny
72°/ 45° 22°/ 7°
0%
Friday
Sunny
72°22°
0%

Day: Sunny. Highs in the mid 70s. Northwest winds 10 to 15 mph.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 40s. East winds 10 to 15 mph with gusts up to 25 mph.

Newcastle, WY

Afternoon
Sunny
75°/ 48° 24°/ 9°
0%
Sunday
Cloudy
70°/ 55° 21°/ 13°
60%
Monday
Thunderstorms
75°/ 50° 24°/ 10°
50%
Tuesday
Cloudy
70°/ 48° 21°/ 9°
0%
Wednesday
Sunny
75°/ 48° 24°/ 9°
0%
Thursday
Sunny
70°/ 48° 21°/ 9°
0%
Friday
Sunny
72°22°
0%

Day: Sunny. Highs in the mid 70s. West winds 10 to 15 mph with gusts up to 25 mph.

Night: Clear in the evening, then becoming partly cloudy. Lows in the upper 40s. Southeast winds 10 to 15 mph. Gusts up to 20 mph, increasing to 30 mph after midnight.

Box Elder, SD

Today
Sunny
78°/ 52° 26°/ 11°
0%
Sunday
Rain Showers
72°/ 58° 22°/ 14°
50%
Monday
Thunderstorms
75°/ 52° 24°/ 11°
60%
Tuesday
Cloudy
68°/ 52° 20°/ 11°
0%
Wednesday
Sunny
72°/ 52° 22°/ 11°
0%
Thursday
Cloudy
68°/ 50° 20°/ 10°
0%
Friday
Cloudy
68°20°
0%

Day: Patchy fog this morning. Mostly sunny. Highs in the upper 70s. Northwest winds 10 to 20 mph with gusts up to 40 mph.

Night: Mostly clear. Lows in the lower 50s. Northeast winds 5 to 10 mph with gusts up to 20 mph, increasing to 10 to 20 mph with gusts up to 35 mph after midnight.

Moorcroft, WY

Afternoon
Sunny
72°/ 45° 22°/ 7°
0%
Sunday
Mostly Cloudy
70°/ 52° 21°/ 11°
50%
Monday
Thunderstorms
72°/ 45° 22°/ 7°
50%
Tuesday
Sunny
72°/ 45° 22°/ 7°
0%
Wednesday
Sunny
75°/ 45° 24°/ 7°
0%
Thursday
Sunny
72°/ 45° 22°/ 7°
0%
Friday
Sunny
72°22°
0%

Day: Sunny. Highs in the lower 70s. North winds 5 to 10 mph.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 40s. Northeast winds 10 to 15 mph.

Hermosa, SD

Today
Sunny
78°/ 52° 26°/ 11°
0%
Sunday
Rain Showers
68°/ 55° 20°/ 13°
50%
Monday
Thunderstorms
75°/ 52° 24°/ 11°
60%
Tuesday
Cloudy
68°/ 52° 20°/ 11°
0%
Wednesday
Sunny
72°/ 52° 22°/ 11°
0%
Thursday
Sunny
68°/ 50° 20°/ 10°
0%
Friday
Cloudy
68°20°
0%

Day: Sunny. Highs in the upper 70s. Northeast winds 5 to 10 mph with gusts up to 25 mph.

Night: Mostly clear. Lows in the lower 50s. North winds 10 to 15 mph.

Pringle, SD

Today
Sunny
75°/ 52° 24°/ 11°
0%
Sunday
Rain Showers
68°/ 55° 20°/ 13°
50%
Monday
Thunderstorms
72°/ 52° 22°/ 11°
60%
Tuesday
Rain Showers
65°/ 50° 18°/ 10°
20%
Wednesday
Sunny
68°/ 50° 20°/ 10°
0%
Thursday
Sunny
65°/ 48° 18°/ 9°
0%
Friday
Cloudy
68°20°
0%

Day: Sunny. Highs in the mid 70s. West winds 10 to 15 mph with gusts up to 25 mph.

Night: Clear in the evening, then becoming partly cloudy. Lows in the lower 50s. East winds 10 to 15 mph.

Faith, SD

Today
Cloudy
75°/ 50° 24°/ 10°
0%
Sunday
Mostly Cloudy
68°/ 55° 20°/ 13°
70%
Monday
Thunderstorms
72°/ 52° 22°/ 11°
70%
Tuesday
Cloudy
68°/ 48° 20°/ 9°
0%
Wednesday
Sunny
72°/ 48° 22°/ 9°
0%
Thursday
Sunny
65°/ 48° 18°/ 9°
0%
Friday
Cloudy
68°20°
0%

Day: Partly cloudy this morning, then clearing. Patchy fog this morning. Highs in the mid 70s. Southwest winds 10 to 15 mph, becoming northwest 10 to 20 mph this afternoon. Gusts up to 40 mph.

Night: Clear in the evening, then becoming partly cloudy. Lows around 50. Northeast winds 10 to 20 mph. Gusts up to 30 mph after midnight.

Folsom, SD

Today
Sunny
78°/ 52° 26°/ 11°
0%
Sunday
Rain Showers
72°/ 55° 22°/ 13°
50%
Monday
Thunderstorms
78°/ 52° 26°/ 11°
60%
Tuesday
Cloudy
68°/ 52° 20°/ 11°
0%
Wednesday
Sunny
72°/ 52° 22°/ 11°
0%
Thursday
Sunny
68°/ 50° 20°/ 10°
0%
Friday
Cloudy
70°21°
0%

Day: Patchy fog this morning. Sunny. Highs in the upper 70s. Northeast winds 5 to 10 mph, increasing to north 10 to 20 mph this afternoon. Gusts up to 35 mph.

Night: Mostly clear. Lows in the lower 50s. North winds 5 to 10 mph with gusts up to 20 mph, increasing to 10 to 20 mph with gusts up to 35 mph after midnight.

Hot Springs, SD

Today
Sunny
78°/ 55° 26°/ 13°
0%
Sunday
Rain Showers
72°/ 58° 22°/ 14°
60%
Monday
Thunderstorms
75°/ 55° 24°/ 13°
60%
Tuesday
Rain Showers
68°/ 52° 20°/ 11°
20%
Wednesday
Sunny
72°/ 52° 22°/ 11°
0%
Thursday
Sunny
68°/ 50° 20°/ 10°
0%
Friday
Cloudy
72°22°
0%

Day: Patchy fog this morning. Sunny. Highs in the upper 70s. West winds 10 to 15 mph with gusts up to 30 mph.

Night: Mostly clear. Lows in the mid 50s. Northeast winds 10 to 15 mph with gusts up to 25 mph.

Buffalo, SD

Today
Cloudy
72°/ 48° 22°/ 9°
0%
Sunday
Mostly Cloudy
68°/ 52° 20°/ 11°
90%
Monday
Rain Showers
68°/ 48° 20°/ 9°
60%
Tuesday
Cloudy
70°/ 48° 21°/ 9°
0%
Wednesday
Sunny
72°/ 48° 22°/ 9°
0%
Thursday
Sunny
65°/ 45° 18°/ 7°
0%
Friday
Cloudy
65°18°
0%

Day: Partly cloudy this morning, then clearing. Patchy fog this morning. Highs in the lower 70s. Northwest winds 10 to 20 mph with gusts up to 35 mph.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 40s. Northeast winds 10 to 20 mph. Gusts up to 35 mph after midnight.

Kyle, SD

Today
Sunny
78°/ 52° 26°/ 11°
0%
Sunday
Rain Showers
75°/ 58° 24°/ 14°
50%
Monday
Thunderstorms
78°/ 55° 26°/ 13°
70%
Tuesday
Cloudy
68°/ 52° 20°/ 11°
0%
Wednesday
Sunny
72°/ 52° 22°/ 11°
0%
Thursday
Cloudy
68°/ 50° 20°/ 10°
0%
Friday
Cloudy
70°21°
0%

Day: Sunny. Highs in the upper 70s. Northwest winds 10 to 20 mph with gusts up to 35 mph.

Night: Mostly clear. Lows in the lower 50s. Northeast winds 10 to 15 mph. Gusts up to 20 mph, increasing to 30 mph after midnight.

Names listed above may include county names.

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