Swett, SD Weather Forecast & Current Conditions

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Swett Weather Map
UTC Time: 9/20/2026, 22:31
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Aeronautical Observation: Automated synoptic observations via NWS Gateway.
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Swett, SD Regional Weather

Expires:202609202300;;786144
ASUS43 KFSD 202210
RWRSD 

WEATHER ROUNDUP FOR SOUTH DAKOTA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
500 PM CDT SUN SEP 20 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>074-202300-
SOUTHWEST AND SOUTH CENTRAL SOUTH DAKOTA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
RAPID CTY ARPT CLOUDY    59  57  93 SE10      30.10S FOG     TC  15   
PIERRE         LGT RAIN  59  57  93 CALM      30.11S TC  15           
CUSTER         CLOUDY    55  52  89 E8        30.15R TC  13           
ELLSWORTH AFB  CLOUDY    60  57  91 E9        30.07R TC  15           
PHILIP         CLOUDY    58  56  93 E14       30.11S TC  14           
SPEARFISH      LGT RAIN  57  57 100 NE8       30.13S TC  14           
WINNER         CLOUDY    58  56  93 E9        30.11F TC  14           
$$
 

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

Swett, SD

Afternoon
Thunderstorms
60°/ 48° 16°/
N/A
Monday
Rain Showers
62°/ 45° 17°/
50%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
30%
Wednesday
Rain Showers
75°/ 52° 24°/ 11°
20%
Thursday
Cloudy
78°/ 52° 26°/ 11°
0%
Friday
Cloudy
78°/ 55° 26°/ 13°
0%
Saturday
Cloudy
78°26°
0%

Day: Showers with a chance of thunderstorms. Patchy fog. Near steady temperature around 60. East winds 10 to 15 mph with gusts up to 25 mph.

Night: Showers with a chance of thunderstorms in the evening, then showers after midnight. Patchy fog in the evening. Areas of fog after midnight. Lows in the upper 40s. East winds 10 to 15 mph. Gusts up to 25 mph in the evening.

Long Valley, SD

Afternoon
Thunderstorms
62°/ 48° 17°/
90%
Monday
Rain Showers
62°/ 48° 17°/
60%
Tuesday
Rain Showers
68°/ 55° 20°/ 13°
30%
Wednesday
Rain Showers
75°/ 55° 24°/ 13°
20%
Thursday
Cloudy
80°/ 55° 27°/ 13°
0%
Friday
Cloudy
78°/ 58° 26°/ 14°
0%
Saturday
Cloudy
80°27°
0%

Day: Showers with a chance of thunderstorms. Patchy fog. Near steady temperature in the lower 60s. East winds 10 to 15 mph with gusts up to 25 mph.

Night: A slight chance of thunderstorms in the evening. Showers. Patchy fog in the evening. Areas of fog after midnight. Lows in the upper 40s. East winds 10 to 15 mph. Gusts up to 25 mph in the evening. Chance of rain 90 percent.

Pine Ridge, SD

Afternoon
Thunderstorms
65°/ 48° 18°/
90%
Monday
Rain Showers
65°/ 48° 18°/
50%
Tuesday
Rain Showers
68°/ 55° 20°/ 13°
30%
Wednesday
Cloudy
78°/ 52° 26°/ 11°
0%
Thursday
Sunny
82°/ 52° 28°/ 11°
0%
Friday
Cloudy
82°/ 55° 28°/ 13°
0%
Saturday
Cloudy
82°28°
0%

Day: Showers with a chance of thunderstorms. Patchy fog. Highs in the mid 60s. East winds 10 to 15 mph.

Night: Showers with a chance of thunderstorms in the evening, then showers likely after midnight. Patchy fog. Lows in the upper 40s. Northeast winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 90 percent.

Kyle, SD

Afternoon
Thunderstorms
65°/ 48° 18°/
90%
Monday
Rain Showers
65°/ 48° 18°/
40%
Tuesday
Rain Showers
70°/ 55° 21°/ 13°
20%
Wednesday
Cloudy
80°/ 52° 27°/ 11°
0%
Thursday
Sunny
82°/ 52° 28°/ 11°
0%
Friday
Cloudy
82°/ 58° 28°/ 14°
0%
Saturday
Cloudy
82°28°
0%

Day: Showers with a chance of thunderstorms. Patchy fog. Highs in the mid 60s. East winds 10 to 15 mph with gusts up to 25 mph.

Night: Showers with a chance of thunderstorms in the evening, then showers likely after midnight. Patchy fog in the evening. Areas of fog after midnight. Lows in the upper 40s. Northeast winds 10 to 15 mph. Gusts up to 25 mph in the evening. Chance of rain 90 percent.

Cody, NE

Tonight
Thunderstorms
48°
70%
Monday
Rain Showers
62°/ 45° 17°/
50%
Tuesday
Rain Showers
65°/ 50° 18°/ 10°
20%
Wednesday
Mostly Cloudy
72°/ 52° 22°/ 11°
20%
Thursday
Rain Showers
75°/ 52° 24°/ 11°
30%
Friday
Rain Showers
75°/ 55° 24°/ 13°
20%
Saturday
Sunny
78°/ 52° 26°/ 11°
0%
Sunday
Sunny
75°24°
0%

Night: Showers likely and a chance of thunderstorms in the evening, then a chance of showers after midnight. Patchy fog. Lows in the upper 40s. East winds up to 10 mph, becoming northeast after midnight. Chance of precipitation 70 percent.

Gordon, NE

Tonight
Thunderstorms
48°
70%
Monday
Rain Showers
62°/ 45° 17°/
50%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
40%
Wednesday
Partly Cloudy
72°/ 52° 22°/ 11°
20%
Thursday
Rain Showers
75°/ 52° 24°/ 11°
30%
Friday
Mostly Cloudy
75°/ 55° 24°/ 13°
0%
Saturday
Sunny
78°/ 52° 26°/ 11°
0%
Sunday
Sunny
75°24°
0%

Night: Mostly cloudy. Showers likely and a chance of thunderstorms in the evening, then a chance of showers after midnight. Patchy fog after midnight. Lows in the upper 40s. Northeast winds up to 10 mph, becoming northwest after midnight. Chance of precipitation 70 percent.

Kadoka, SD

Afternoon
Thunderstorms
62°/ 48° 17°/
90%
Monday
Rain Showers
62°/ 45° 17°/
50%
Tuesday
Rain Showers
68°/ 52° 20°/ 11°
20%
Wednesday
Rain Showers
78°/ 52° 26°/ 11°
20%
Thursday
Cloudy
82°/ 52° 28°/ 11°
0%
Friday
Cloudy
80°/ 55° 27°/ 13°
0%
Saturday
Cloudy
82°28°
0%

Day: Showers with a slight chance of thunderstorms. Patchy fog. Highs in the lower 60s. East winds 10 to 15 mph with gusts up to 30 mph.

Night: A slight chance of thunderstorms in the evening. Showers. Patchy fog in the evening. Areas of fog after midnight. Lows in the upper 40s. East winds 10 to 15 mph. Gusts up to 25 mph in the evening. Chance of rain 90 percent.

Box Elder, SD

Afternoon
Thunderstorms
62°/ 48° 17°/
N/A
Monday
Rain Showers
62°/ 48° 17°/
50%
Tuesday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Wednesday
Cloudy
80°/ 52° 27°/ 11°
20%
Thursday
Cloudy
82°/ 52° 28°/ 11°
0%
Friday
Cloudy
82°/ 55° 28°/ 13°
0%
Saturday
Cloudy
82°28°
0%

Day: Showers with a chance of thunderstorms. Patchy fog. Highs in the lower 60s. East winds 10 to 15 mph with gusts up to 30 mph.

Night: A slight chance of thunderstorms in the evening. Showers. Patchy fog in the evening. Areas of fog after midnight. Lows in the upper 40s. East winds 10 to 15 mph. Gusts up to 25 mph in the evening.

White River, SD

Afternoon
Thunderstorms
60°/ 50° 16°/ 10°
N/A
Monday
Rain Showers
60°/ 45° 16°/
60%
Tuesday
Mostly Cloudy
65°/ 52° 18°/ 11°
20%
Wednesday
Rain Showers
72°/ 55° 22°/ 13°
30%
Thursday
Cloudy
78°/ 55° 26°/ 13°
0%
Friday
Cloudy
78°/ 58° 26°/ 14°
0%
Saturday
Cloudy
78°26°
0%

Day: Showers with a slight chance of thunderstorms. Patchy fog. Highs around 60. East winds 10 to 15 mph with gusts up to 25 mph.

Night: A slight chance of thunderstorms in the evening. Showers. Patchy fog in the evening. Areas of fog after midnight. Lows around 50. East winds 10 to 15 mph. Gusts up to 25 mph in the evening.

Mission, SD

Afternoon
Thunderstorms
58°/ 48° 14°/
N/A
Monday
Rain Showers
58°/ 45° 14°/
70%
Tuesday
Rain Showers
62°/ 50° 17°/ 10°
20%
Wednesday
Rain Showers
70°/ 52° 21°/ 11°
20%
Thursday
Cloudy
78°/ 52° 26°/ 11°
0%
Friday
Cloudy
75°/ 55° 24°/ 13°
0%
Saturday
Cloudy
75°24°
0%

Day: Showers with a slight chance of thunderstorms. Patchy fog. Near steady temperature in the upper 50s. East winds 5 to 10 mph with gusts up to 25 mph.

Night: Showers with a slight chance of thunderstorms. Patchy fog in the evening. Areas of fog after midnight. Lows in the upper 40s. East winds 10 to 15 mph.

Chadron, NE

Afternoon
Thunderstorms
65°/ 48° 18°/
90%
Monday
Rain Showers
65°/ 48° 18°/
40%
Tuesday
Partly Cloudy
70°/ 55° 21°/ 13°
0%
Wednesday
Mostly Cloudy
80°27°
0%
Thursday
Mostly Cloudy
80°27°
0%
Friday
Mostly Cloudy
80°/ 58° 27°/ 14°
0%

Day: Showers with a chance of thunderstorms. Highs in the mid 60s. West winds around 10 mph with gusts up to 20 mph. Chance of rain 90 percent.

Night: Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight. Patchy fog after midnight. Lows in the upper 40s. Northwest winds 5 to 10 mph. Chance of rain 70 percent.

Philip, SD

Afternoon
Thunderstorms
60°/ 48° 16°/
N/A
Monday
Rain Showers
62°/ 45° 17°/
50%
Tuesday
Cloudy
68°/ 52° 20°/ 11°
0%
Wednesday
Thunderstorms
78°/ 52° 26°/ 11°
40%
Thursday
Cloudy
82°/ 52° 28°/ 11°
0%
Friday
Cloudy
80°/ 55° 27°/ 13°
0%
Saturday
Cloudy
82°28°
0%

Day: Showers with a slight chance of thunderstorms. Areas of fog. Highs around 60. East winds 10 to 15 mph with gusts up to 25 mph.

Night: A slight chance of thunderstorms in the evening. Showers. Patchy fog. Lows in the upper 40s. East winds 10 to 15 mph with gusts up to 25 mph.

Valentine, NE

Tonight
Thunderstorms
50°10°
90%
Monday
Rain Showers
62°/ 45° 17°/
70%
Tuesday
Mostly Cloudy
62°/ 50° 17°/ 10°
30%
Wednesday
Mostly Cloudy
68°/ 55° 20°/ 13°
40%
Thursday
Rain Showers
75°/ 52° 24°/ 11°
40%
Friday
Rain Showers
72°/ 55° 22°/ 13°
20%
Saturday
Sunny
75°/ 55° 24°/ 13°
0%
Sunday
Sunny
72°22°
0%

Night: A slight chance of thunderstorms. Showers. Patchy fog. Lows around 50. East winds around 10 mph in the evening, becoming light and variable. Chance of precipitation 90 percent.

Oral, SD

Afternoon
Thunderstorms
65°/ 48° 18°/
90%
Monday
Rain Showers
65°/ 48° 18°/
30%
Tuesday
Rain Showers
72°/ 55° 22°/ 13°
20%
Wednesday
Cloudy
82°/ 52° 28°/ 11°
0%
Thursday
Sunny
82°/ 52° 28°/ 11°
0%
Friday
Cloudy
82°/ 55° 28°/ 13°
0%
Saturday
Cloudy
85°29°
0%

Day: Showers with a chance of thunderstorms. Patchy fog. Highs in the mid 60s. Northeast winds 5 to 10 mph with gusts up to 20 mph.

Night: Showers with a chance of thunderstorms in the evening, then showers likely after midnight. Patchy fog. Lows in the upper 40s. North winds 10 to 15 mph. Chance of rain 90 percent.

Folsom, SD

Afternoon
Thunderstorms
62°/ 48° 17°/
90%
Monday
Rain Showers
62°/ 45° 17°/
30%
Tuesday
Mostly Cloudy
70°/ 52° 21°/ 11°
0%
Wednesday
Cloudy
82°/ 52° 28°/ 11°
0%
Thursday
Sunny
82°/ 52° 28°/ 11°
0%
Friday
Cloudy
82°/ 55° 28°/ 13°
0%
Saturday
Cloudy
85°29°
0%

Day: Showers with a chance of thunderstorms. Patchy fog. Highs in the lower 60s. East winds 5 to 10 mph with gusts up to 25 mph.

Night: Cloudy. Showers with a chance of thunderstorms in the evening, then a chance of showers after midnight. Patchy fog in the evening, then areas of fog after midnight. Lows in the upper 40s. Northeast winds 10 to 15 mph. Gusts up to 25 mph in the evening. Chance of rain 90 percent.

Hermosa, SD

Afternoon
Thunderstorms
62°/ 48° 17°/
90%
Monday
Rain Showers
62°/ 48° 17°/
50%
Tuesday
Rain Showers
68°/ 52° 20°/ 11°
20%
Wednesday
Cloudy
80°/ 52° 27°/ 11°
0%
Thursday
Sunny
82°/ 55° 28°/ 13°
0%
Friday
Cloudy
82°/ 55° 28°/ 13°
0%
Saturday
Cloudy
82°28°
0%

Day: Showers with a chance of thunderstorms. Patchy fog. Highs in the lower 60s. East winds 5 to 10 mph with gusts up to 20 mph.

Night: Cloudy. Showers with a chance of thunderstorms in the evening, then a chance of showers after midnight. Areas of fog. Lows in the upper 40s. Northeast winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 90 percent.

Murdo, SD

Tonight
Thunderstorms
50°10°
100%
Monday
Rain Showers
60°/ 45° 16°/
50%
Tuesday
Mostly Cloudy
65°/ 52° 18°/ 11°
20%
Wednesday
Partly Cloudy
72°/ 55° 22°/ 13°
30%
Thursday
Rain Showers
78°/ 55° 26°/ 13°
30%
Fri-Fri Night
Rain Showers
75°24°
20%
Sat-Sat Night
Cloudy
78°26°
0%
Sunday
Partly Cloudy
72°22°
0%

Night: A slight chance of thunderstorms this evening. Showers. Lows around 50. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.

Hot Springs, SD

Afternoon
Thunderstorms
62°/ 48° 17°/
90%
Monday
Rain Showers
65°/ 48° 18°/
40%
Tuesday
Cloudy
70°/ 55° 21°/ 13°
0%
Wednesday
Cloudy
78°/ 52° 26°/ 11°
0%
Thursday
Sunny
82°/ 55° 28°/ 13°
0%
Friday
Cloudy
82°/ 55° 28°/ 13°
0%
Saturday
Cloudy
82°28°
0%

Day: Showers with a chance of thunderstorms. Patchy fog. Highs in the lower 60s. Northeast winds 5 to 10 mph with gusts up to 20 mph.

Night: Mostly cloudy. Showers with a chance of thunderstorms in the evening, then a chance of showers after midnight. Patchy fog. Lows in the upper 40s. Northeast winds 10 to 15 mph. Chance of rain 90 percent.

Pringle, SD

Afternoon
Thunderstorms
58°/ 48° 14°/
90%
Monday
Thunderstorms
60°/ 48° 16°/
50%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
20%
Wednesday
Cloudy
75°/ 52° 24°/ 11°
0%
Thursday
Sunny
78°/ 55° 26°/ 13°
0%
Friday
Cloudy
78°/ 55° 26°/ 13°
0%
Saturday
Sunny
78°26°
0%

Day: Showers with a chance of thunderstorms. Patchy fog. Near steady temperature in the upper 50s. Northeast winds 5 to 10 mph.

Night: Mostly cloudy. Showers with a chance of thunderstorms in the evening, then a chance of showers after midnight. Patchy fog in the evening, then areas of fog after midnight. Lows in the upper 40s. Northeast winds 5 to 10 mph. Chance of rain 90 percent.

Hyannis, NE

Tonight
Thunderstorms
48°
70%
Monday
Rain Showers
65°/ 45° 18°/
40%
Tuesday
Mostly Cloudy
62°/ 50° 17°/ 10°
0%
Wednesday
Thunderstorms
68°/ 52° 20°/ 11°
40%
Thursday
Thunderstorms
75°/ 52° 24°/ 11°
30%
Friday
Rain Showers
75°/ 55° 24°/ 13°
20%
Saturday
Sunny
78°/ 52° 26°/ 11°
0%
Sunday
Sunny
75°24°
0%

Night: Mostly cloudy. Showers likely and a chance of thunderstorms in the evening, then a chance of showers after midnight. Patchy fog after midnight. Lows in the upper 40s. Southeast winds around 10 mph, becoming west after midnight. Chance of precipitation 70 percent.

Names listed above may include county names.

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