Mason, SD Weather Forecast & Current Conditions

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Mason Weather Map
UTC Time: 10/31/2026, 17:08
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Mason, SD Regional Weather

Expires:202610311800;;030959
ASUS43 KFSD 311702
RWRSD 

WEATHER ROUNDUP FOR SOUTH DAKOTA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1200 PM CDT SAT OCT 31 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>074-311800-
SOUTHWEST AND SOUTH CENTRAL SOUTH DAKOTA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
RAPID CTY ARPT CLOUDY    53  52  96 S15       30.01S TC  12           
PIERRE         FOG       56  55  97 E12       30.05F VSB 3/4 TC  13   
CUSTER         SUNNY     55  44  66 SW10G22   30.07S TC  13           
ELLSWORTH AFB  MOSUNNY   54  52  94 S17       29.97S FOG     TC  12   
PHILIP         PTSUNNY   58  57  97 E8        30.03S TC  14           
PINE RIDGE     PTSUNNY   61  52  72 S12       30.04R TC  16           
SPEARFISH      MOSUNNY   52  41  66 NW8       30.00S TC  11           
WINNER         CLOUDY    62  55  77 S15G22    30.08R TC  17           
$$
 

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

Mason, SD

Today
Mostly Cloudy
68°/ 42° 20°/ 6°
0%
Sunday
Mostly Cloudy
62°/ 45° 17°/ 7°
0%
Monday
Rain
52°/ 35° 11°/ 2°
70%
Tuesday
Sunny
52°/ 32° 11°/ 0°
0%
Wednesday
Sunny
52°/ 32° 11°/ 0°
0%
Thursday
Cloudy
52°/ 32° 11°/ 0°
0%
Friday
Cloudy
52°11°
0%

Day: Widespread fog this morning. Mostly cloudy. Not as cool with highs in the upper 60s. Southeast winds 10 to 20 mph. Gusts up to 30 mph, increasing to 40 mph this afternoon.

Night: Mostly cloudy. Patchy fog after midnight. Lows in the lower 40s. Southeast winds 10 to 20 mph with gusts up to 30 mph, becoming west 10 to 15 mph after midnight.

Spearfish, SD

Today
Mostly Cloudy
68°/ 42° 20°/ 6°
0%
Sunday
Mostly Cloudy
62°/ 42° 17°/ 6°
90%
Monday
Rain
48°/ 32° 9°/ 0°
80%
Tuesday
Sunny
48°/ 35° 9°/ 2°
0%
Wednesday
Sunny
52°/ 32° 11°/ 0°
0%
Thursday
Cloudy
52°/ 35° 11°/ 2°
0%
Friday
Cloudy
52°11°
0%

Day: Becoming mostly cloudy. Areas of fog this morning. Highs in the upper 60s. Southeast winds 5 to 10 mph with gusts up to 20 mph.

Night: Partly cloudy. Lows in the lower 40s. Southwest winds 5 to 10 mph.

Colony, WY

Today
Mostly Cloudy
65°/ 38° 18°/ 3°
0%
Sunday
Mostly Cloudy
62°/ 42° 17°/ 6°
90%
Monday
Rain
48°/ 30° 9°/ -1°
80%
Tuesday
Sunny
50°/ 32° 10°/ 0°
0%
Wednesday
Sunny
52°/ 32° 11°/ 0°
0%
Thursday
Cloudy
52°/ 32° 11°/ 0°
0%
Friday
Cloudy
55°13°
0%

Day: Areas of fog this morning. Mostly cloudy. Not as cool with highs in the mid 60s. East winds 5 to 10 mph.

Night: Mostly cloudy. Lows in the upper 30s. West winds 5 to 10 mph.

Lead, SD

Today
Cloudy
60°/ 38° 16°/ 3°
0%
Sunday
Mostly Cloudy
58°/ 38° 14°/ 3°
90%
Monday
Rain
45°/ 28° 7°/ -2°
80%
Tuesday
Sunny
45°/ 32° 7°/ 0°
0%
Wednesday
Sunny
48°/ 28° 9°/ -2°
0%
Thursday
Cloudy
48°/ 32° 9°/ 0°
0%
Friday
Cloudy
48°9°
0%

Day: Partly cloudy. Highs around 60. South winds 5 to 10 mph with gusts up to 25 mph.

Night: Partly cloudy. Lows in the upper 30s. Southwest winds 5 to 10 mph.

Sturgis, SD

Today
Cloudy
68°/ 45° 20°/ 7°
0%
Sunday
Mostly Cloudy
62°/ 45° 17°/ 7°
70%
Monday
Rain
52°/ 35° 11°/ 2°
80%
Tuesday
Sunny
52°/ 35° 11°/ 2°
0%
Wednesday
Cloudy
52°/ 35° 11°/ 2°
0%
Thursday
Cloudy
52°/ 35° 11°/ 2°
0%
Friday
Cloudy
52°11°
0%

Day: Areas of fog this morning. Partly cloudy. Highs in the upper 60s. South winds 5 to 10 mph, increasing to southeast 10 to 20 mph this afternoon. Gusts up to 35 mph.

Night: Becoming partly cloudy. Lows in the mid 40s. South winds 10 to 15 mph with gusts up to 25 mph, becoming northwest 5 to 10 mph after midnight.

Sundance, WY

Today
Cloudy
62°/ 40° 17°/ 4°
0%
Sunday
Mostly Cloudy
62°/ 38° 17°/ 3°
90%
Monday
Rain
45°/ 28° 7°/ -2°
80%
Tuesday
Sunny
48°/ 32° 9°/ 0°
0%
Wednesday
Sunny
50°/ 32° 10°/ 0°
0%
Thursday
Cloudy
50°/ 32° 10°/ 0°
0%
Friday
Cloudy
52°11°
0%

Day: Partly cloudy. Highs in the lower 60s. South winds 10 to 15 mph with gusts up to 25 mph.

Night: Partly cloudy. Lows around 40. South winds 5 to 10 mph.

Ellsworth AFB, SD

Today
Mostly Cloudy
68°/ 45° 20°/ 7°
0%
Sunday
Mostly Cloudy
65°/ 48° 18°/ 9°
70%
Monday
Rain
55°/ 38° 13°/ 3°
80%
Tuesday
Sunny
52°/ 35° 11°/ 2°
0%
Wednesday
Cloudy
55°/ 32° 13°/ 0°
0%
Thursday
Cloudy
52°/ 32° 11°/ 0°
0%
Friday
Cloudy
52°11°
0%

Day: Areas of fog this morning. Mostly cloudy. Highs in the upper 60s. Southeast winds 10 to 20 mph with gusts up to 35 mph.

Night: Becoming partly cloudy. Patchy fog after midnight. Lows in the mid 40s. Southeast winds 10 to 15 mph, becoming west 5 to 10 mph after midnight. Gusts up to 25 mph.

Moorcroft, WY

Today
Mostly Cloudy
65°/ 35° 18°/ 2°
0%
Sunday
Rain
65°/ 38° 18°/ 3°
20%
Monday
Rain
45°/ 28° 7°/ -2°
70%
Tuesday
Sunny
52°/ 28° 11°/ -2°
0%
Wednesday
Sunny
52°/ 28° 11°/ -2°
0%
Thursday
Cloudy
52°/ 30° 11°/ -1°
0%
Friday
Cloudy
55°13°
0%

Day: Areas of fog this morning. Mostly cloudy. Highs in the mid 60s. South winds 10 to 15 mph with gusts up to 25 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the mid 30s. West winds 5 to 10 mph.

Buffalo, SD

Today
Rain
65°/ 40° 18°/ 4°
20%
Sunday
Mostly Cloudy
60°/ 45° 16°/ 7°
0%
Monday
Rain
52°/ 32° 11°/ 0°
90%
Tuesday
Cloudy
52°/ 32° 11°/ 0°
0%
Wednesday
Cloudy
52°/ 32° 11°/ 0°
0%
Thursday
Cloudy
52°/ 32° 11°/ 0°
0%
Friday
Cloudy
52°11°
0%

Day: Cloudy. A slight chance of rain this morning. Widespread fog this morning, then patchy fog this afternoon. Not as cool with highs in the mid 60s. Southeast winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 20 percent.

Night: Mostly cloudy. A slight chance of rain in the evening. Patchy fog. Lows around 40. Southeast winds 10 to 15 mph with gusts up to 30 mph, becoming west 5 to 10 mph with gusts up to 20 mph after midnight. Chance of rain 20 percent.

Hill City, SD

Today
Mostly Cloudy
58°/ 42° 14°/ 6°
0%
Sunday
Mostly Cloudy
58°/ 42° 14°/ 6°
80%
Monday
Rain
48°/ 32° 9°/ 0°
90%
Tuesday
Sunny
48°/ 32° 9°/ 0°
0%
Wednesday
Sunny
52°/ 32° 11°/ 0°
0%
Thursday
Cloudy
48°/ 32° 9°/ 0°
0%
Friday
Cloudy
48°9°
0%

Day: Becoming mostly cloudy. Patchy fog this morning. Highs in the upper 50s. South winds 5 to 10 mph with gusts up to 25 mph.

Night: Partly cloudy in the evening, then clearing. Lows in the lower 40s. Southwest winds 5 to 10 mph.

Rapid City, SD

Today
Cloudy
65°/ 45° 18°/ 7°
0%
Sunday
Mostly Cloudy
62°/ 48° 17°/ 9°
70%
Monday
Rain
52°/ 38° 11°/ 3°
90%
Tuesday
Sunny
52°/ 35° 11°/ 2°
0%
Wednesday
Cloudy
55°/ 35° 13°/ 2°
0%
Thursday
Cloudy
52°/ 35° 11°/ 2°
0%
Friday
Cloudy
52°11°
0%

Day: Patchy fog this morning. Partly cloudy. Highs in the mid 60s. South winds 10 to 20 mph with gusts up to 35 mph.

Night: Becoming partly cloudy. Lows in the mid 40s. South winds 5 to 10 mph with gusts up to 20 mph, becoming west after midnight.

Faith, SD

Today
Mostly Cloudy
68°/ 42° 20°/ 6°
0%
Sunday
Mostly Cloudy
62°/ 48° 17°/ 9°
90%
Monday
Rain
52°/ 35° 11°/ 2°
80%
Tuesday
Cloudy
50°/ 32° 10°/ 0°
0%
Wednesday
Cloudy
52°/ 32° 11°/ 0°
0%
Thursday
Cloudy
48°/ 32° 9°/ 0°
0%
Friday
Cloudy
52°11°
0%

Day: Areas of fog this morning. Mostly cloudy. Breezy with highs in the upper 60s. Southeast winds 15 to 25 mph with gusts up to 35 mph.

Night: Mostly cloudy. Areas of fog after midnight. Lows in the lower 40s. Southeast winds 10 to 20 mph. Gusts up to 30 mph in the evening.

Box Elder, SD

Today
Mostly Cloudy
68°/ 45° 20°/ 7°
0%
Sunday
Mostly Cloudy
65°/ 48° 18°/ 9°
70%
Monday
Rain
55°/ 38° 13°/ 3°
90%
Tuesday
Rain
52°/ 35° 11°/ 2°
20%
Wednesday
Cloudy
55°/ 35° 13°/ 2°
0%
Thursday
Cloudy
52°/ 35° 11°/ 2°
0%
Friday
Cloudy
55°13°
0%

Day: Areas of fog this morning. Mostly cloudy. Highs in the upper 60s. Southeast winds 10 to 20 mph with gusts up to 30 mph.

Night: Becoming partly cloudy. Patchy fog after midnight. Lows in the mid 40s. South winds 10 to 15 mph with gusts up to 25 mph.

Rochelle, WY

Today
Mostly Cloudy
62°/ 38° 17°/ 3°
0%
Sunday
Mostly Cloudy
62°/ 38° 17°/ 3°
80%
Monday
Rain
45°/ 28° 7°/ -2°
70%
Tuesday
Sunny
52°/ 28° 11°/ -2°
0%
Wednesday
Sunny
52°/ 30° 11°/ -1°
0%
Thursday
Cloudy
52°/ 32° 11°/ 0°
0%
Friday
Cloudy
52°11°
0%

Day: Areas of fog this morning. Mostly cloudy. Highs in the lower 60s. South winds 10 to 15 mph with gusts up to 30 mph.

Night: Partly cloudy. Lows in the upper 30s. West winds 5 to 10 mph. Gusts up to 20 mph in the evening.

Usta, SD

Today
Mostly Cloudy
65°/ 45° 18°/ 7°
0%
Sunday
Mostly Cloudy
62°/ 48° 17°/ 9°
90%
Monday
Rain
52°/ 35° 11°/ 2°
70%
Tuesday
Cloudy
52°/ 32° 11°/ 0°
0%
Wednesday
Cloudy
52°/ 32° 11°/ 0°
0%
Thursday
Cloudy
50°/ 32° 10°/ 0°
0%
Friday
Cloudy
52°11°
0%

Day: Mostly cloudy. Widespread fog this morning, then patchy fog this afternoon. Highs in the mid 60s. Southeast winds 10 to 20 mph with gusts up to 30 mph.

Night: Mostly cloudy. Patchy fog in the evening, then areas of fog after midnight. Lows in the mid 40s. Southeast winds 10 to 15 mph with gusts up to 25 mph.

Newcastle, WY

Today
Cloudy
62°/ 38° 17°/ 3°
0%
Sunday
Mostly Cloudy
62°/ 42° 17°/ 6°
80%
Monday
Rain
48°/ 32° 9°/ 0°
90%
Tuesday
Sunny
52°/ 30° 11°/ -1°
0%
Wednesday
Sunny
52°/ 32° 11°/ 0°
0%
Thursday
Cloudy
52°/ 32° 11°/ 0°
0%
Friday
Cloudy
52°11°
0%

Day: Areas of fog this morning. Partly cloudy. Highs in the lower 60s. Southeast winds 10 to 15 mph with gusts up to 25 mph.

Night: Partly cloudy. Lows in the upper 30s. Southeast winds 5 to 10 mph, becoming northwest after midnight.

Hermosa, SD

Today
Cloudy
65°/ 42° 18°/ 6°
0%
Sunday
Mostly Cloudy
65°/ 48° 18°/ 9°
70%
Monday
Rain
55°/ 38° 13°/ 3°
80%
Tuesday
Sunny
55°/ 35° 13°/ 2°
0%
Wednesday
Sunny
58°/ 35° 14°/ 2°
0%
Thursday
Cloudy
52°/ 35° 11°/ 2°
0%
Friday
Cloudy
55°13°
0%

Day: Patchy fog this morning. Partly cloudy. Highs in the mid 60s. South winds 10 to 15 mph with gusts up to 30 mph.

Night: Partly cloudy. Lows in the lower 40s. Southwest winds 5 to 10 mph.

Gillette, WY

Today
Mostly Cloudy
62°/ 35° 17°/ 2°
0%
Sunday
Rain
65°/ 38° 18°/ 3°
30%
Monday
Rain
45°/ 28° 7°/ -2°
60%
Tuesday
Sunny
52°/ 32° 11°/ 0°
0%
Wednesday
Sunny
52°/ 32° 11°/ 0°
0%
Thursday
Cloudy
55°/ 32° 13°/ 0°
0%
Friday
Cloudy
55°13°
0%

Day: Patchy fog this morning. Mostly cloudy. Highs in the lower 60s. South winds 10 to 15 mph with gusts up to 25 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the mid 30s. Northwest winds 5 to 10 mph with gusts up to 20 mph, becoming south after midnight.

Pringle, SD

Today
Cloudy
62°/ 42° 17°/ 6°
0%
Sunday
Mostly Cloudy
60°/ 45° 16°/ 7°
80%
Monday
Rain
48°/ 35° 9°/ 2°
80%
Tuesday
Sunny
52°/ 32° 11°/ 0°
0%
Wednesday
Sunny
55°/ 35° 13°/ 2°
0%
Thursday
Cloudy
50°/ 35° 10°/ 2°
0%
Friday
Cloudy
52°11°
0%

Day: Areas of fog this morning. Partly cloudy. Highs in the lower 60s. Southeast winds 5 to 10 mph with gusts up to 20 mph.

Night: Partly cloudy. Lows in the lower 40s. East winds around 5 mph, becoming northwest after midnight.

Folsom, SD

Today
Mostly Cloudy
68°/ 42° 20°/ 6°
0%
Sunday
Mostly Cloudy
65°/ 48° 18°/ 9°
70%
Monday
Rain
55°/ 38° 13°/ 3°
90%
Tuesday
Sunny
55°/ 35° 13°/ 2°
0%
Wednesday
Cloudy
58°/ 35° 14°/ 2°
0%
Thursday
Cloudy
55°/ 32° 13°/ 0°
0%
Friday
Cloudy
55°13°
0%

Day: Areas of fog this morning. Mostly cloudy. Highs in the upper 60s. South winds 10 to 15 mph with gusts up to 30 mph.

Night: Becoming partly cloudy. Patchy fog after midnight. Lows in the lower 40s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the evening.

Names listed above may include county names.

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