Sweeney, SD Weather Forecast & Current Conditions

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Sweeney Weather Map
UTC Time: 9/19/2026, 13:41
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Sweeney, SD Regional Weather

Expires:202609191400;;710036
ASUS43 KFSD 191310
RWRSD 

WEATHER ROUNDUP FOR SOUTH DAKOTA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
800 AM CDT SAT SEP 19 2026

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



SDZ017-020-022-023-036>040-048>070-191400-
SOUTHEAST SOUTH DAKOTA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
SIOUX FALLS    CLOUDY    60  60 100 NE7       29.95R FOG     TC  16   
HURON          CLOUDY    60  59  96 N6        29.99R TC  16           
CHAMBERLAIN    CLOUDY    63  63 100 N3        30.01S TC  17           
MADISON        CLOUDY    57  57 100 NE10      29.96R FOG     TC  14   
MITCHELL       CLOUDY    62  61  96 N6        29.98R TC  17           
YANKTON        CLOUDY    64  64 100 N5        29.94F FOG     TC  18   
$$
 
ABBREVIATIONS USED IN REMARKS
   TC - TEMPERATURE IN CELSIUS
  WCI - WIND CHILL INDEX
   HX - HEAT INDEX
  VSB - VISIBILITY

  

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

Sweeney, SD

Today
Rain Showers
62°/ 52° 17°/ 11°
50%
Sunday
Rain Showers
62°/ 48° 17°/
90%
Monday
Rain Showers
62°/ 45° 17°/
50%
Tue Night
Rain Showers
50°10°
20%
Wednesday
Thunderstorms
72°/ 52° 22°/ 11°
40%
Thu-Thu Night
Rain Showers
75°24°
20%
Friday
Mostly Cloudy
75°24°
0%

Day: Cloudy. A slight chance of showers and drizzle this morning. Patchy dense fog this morning. Near steady temperature in the lower 60s. North winds 10 to 15 mph. Chance of rain 20 percent.

Night: Cloudy. A chance of showers after midnight. Lows in the lower 50s. Northeast winds 10 to 15 mph. Chance of rain 50 percent.

Murdo, SD

Today
Rain Showers
68°/ 52° 20°/ 11°
50%
Sunday
Rain Showers
62°/ 48° 17°/
90%
Monday
Rain Showers
62°/ 45° 17°/
40%
Tue Night
Rain Showers
52°11°
20%
Wednesday
Thunderstorms
75°/ 55° 24°/ 13°
40%
Thursday
Partly Cloudy
78°/ 55° 26°/ 13°
0%
Friday
Partly Cloudy
78°26°
0%

Day: Cloudy. A chance of showers with a slight chance of drizzle this morning. Patchy fog this morning. Highs in the upper 60s. Northeast winds 10 to 15 mph. Chance of rain 30 percent.

Night: Cloudy with a 50 percent chance of showers. Patchy fog after midnight. Lows in the lower 50s. Northeast winds 10 to 15 mph.

Pierre, SD

Today
Drizzle
68°/ 52° 20°/ 11°
20%
Sunday
Rain Showers
62°/ 48° 17°/
90%
Monday
Rain Showers
62°/ 45° 17°/
20%
Tue Night-Wed
Rain Showers
50°10°
20%
Wed Night
Thunderstorms
52°11°
40%
Thursday
Rain Showers
75°/ 55° 24°/ 13°
20%

Day: Cloudy. A slight chance of drizzle this morning. Patchy dense fog this morning. Highs in the upper 60s. Northeast winds 10 to 15 mph.

Night: Cloudy with a 20 percent chance of showers. Lows in the lower 50s. Northeast winds 10 to 15 mph.

Fort Thompson, SD

Today
Drizzle
62°/ 52° 17°/ 11°
0%
Sunday
Rain Showers
62°/ 48° 17°/
90%
Monday
Rain Showers
62°/ 48° 17°/
20%
Tue Night
Mostly Cloudy
48°
0%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
40%
Thu-Thu Night
Rain Showers
72°22°
20%
Friday
Mostly Cloudy
72°22°
0%

Day: Cloudy. A slight chance of very light drizzle this morning. Patchy dense fog this morning. Near steady temperature in the lower 60s. North winds 10 to 15 mph.

Night: Cloudy. Lows in the lower 50s. Northeast winds 10 to 15 mph.

Fort Pierre, SD

Today
Rain Showers
68°/ 52° 20°/ 11°
50%
Sunday
Rain Showers
62°/ 48° 17°/
90%
Monday
Rain Showers
65°/ 45° 18°/
20%
Tue Night
Rain Showers
52°11°
20%
Wednesday
Thunderstorms
75°/ 55° 24°/ 13°
40%
Thursday
Partly Cloudy
78°/ 55° 26°/ 13°
0%
Friday
Partly Cloudy
78°26°
0%

Day: A slight chance of drizzle this morning. Patchy fog this morning. Mostly cloudy with a slight chance of showers. Highs in the upper 60s. Northeast winds 10 to 15 mph. Chance of rain 20 percent.

Night: Cloudy with a 50 percent chance of showers. Lows in the lower 50s. Northeast winds 10 to 15 mph.

Chamberlain, SD

Today
Drizzle
62°/ 55° 17°/ 13°
0%
Sunday
Rain Showers
62°/ 50° 17°/ 10°
90%
Monday
Rain Showers
62°/ 45° 17°/
50%
Tuesday
Partly Cloudy
65°/ 48° 18°/
0%
Wednesday
Partly Cloudy
68°/ 52° 20°/ 11°
50%
Thursday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Friday
Mostly Cloudy
72°22°
0%

Day: Cloudy. Patchy very light drizzle early this morning. Patchy dense fog early this morning. Near steady temperature in the lower 60s. North winds 5 to 10 mph.

Night: Cloudy. Lows in the mid 50s. Northeast winds around 10 mph with gusts up to 20 mph.

Highmore, SD

Today
Drizzle
65°/ 52° 18°/ 11°
20%
Sunday
Rain Showers
62°/ 48° 17°/
90%
Monday
Rain Showers
62°/ 45° 17°/
20%
Tue Night-Wed
Rain Showers
48°
20%
Wed Night
Thunderstorms
52°11°
40%
Thu-Thu Night
Rain Showers
72°22°
20%
Friday
Mostly Cloudy
75°24°
0%

Day: Cloudy. A slight chance of very light drizzle this morning. Patchy dense fog. Highs in the mid 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph.

Night: Cloudy with a 20 percent chance of showers. Lows in the lower 50s. Northeast winds 10 to 15 mph with gusts up to 25 mph.

Gregory, SD

Today
Drizzle
62°/ 55° 17°/ 13°
30%
Sunday
Rain Showers
62°/ 52° 17°/ 11°
90%
Monday
Rain Showers
60°/ 48° 16°/
70%
Tuesday
Partly Cloudy
65°/ 50° 18°/ 10°
0%
Wednesday
Partly Cloudy
68°/ 55° 20°/ 13°
40%
Thursday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Friday
Mostly Cloudy
72°22°
0%

Day: Cloudy. Patchy very light drizzle early this morning. Patchy fog early this morning. Near steady temperature in the lower 60s. North winds around 10 mph.

Night: Cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Patchy fog after midnight. Lows in the mid 50s. Northeast winds around 10 mph with gusts up to 20 mph. Chance of rain 30 percent.

Onida, SD

Today
Drizzle
65°/ 52° 18°/ 11°
20%
Sunday
Rain Showers
62°/ 48° 17°/
80%
Monday
Rain Showers
62°/ 45° 17°/
20%
Tue Night
Mostly Cloudy
50°10°
0%
Wednesday
Rain Showers
72°/ 52° 22°/ 11°
40%
Thursday
Partly Cloudy
75°/ 55° 24°/ 13°
20%
Friday
Partly Cloudy
75°24°
0%

Day: Cloudy. A slight chance of very light drizzle this morning. Patchy dense fog this morning. Highs in the mid 60s. Northeast winds 10 to 15 mph.

Night: Cloudy with a 20 percent chance of showers. Lows in the lower 50s. Northeast winds 10 to 15 mph with gusts up to 25 mph.

Miller, SD

Today
Drizzle
65°/ 52° 18°/ 11°
20%
Sunday
Rain Showers
65°/ 48° 18°/
70%
Monday
Rain Showers
62°/ 48° 17°/
20%
Tue Night
Mostly Cloudy
48°
0%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
40%
Thu-Thu Night
Rain Showers
72°22°
20%
Friday
Mostly Cloudy
75°24°
0%

Day: Cloudy. A slight chance of very light drizzle this morning. Patchy dense fog this morning. Highs in the mid 60s. North winds 10 to 15 mph with gusts up to 25 mph.

Night: Cloudy with a 20 percent chance of showers. Lows in the lower 50s. Northeast winds 10 to 15 mph with gusts up to 25 mph.

Wagner, SD

Today
Drizzle
65°/ 55° 18°/ 13°
20%
Sunday
Rain Showers
62°/ 52° 17°/ 11°
90%
Monday
Rain Showers
62°/ 48° 17°/
70%
Tuesday
Partly Cloudy
65°/ 50° 18°/ 10°
0%
Wednesday
Partly Cloudy
68°/ 55° 20°/ 13°
40%
Thursday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Friday
Mostly Cloudy
72°22°
0%

Day: Cloudy. Patchy very light drizzle early this morning. Patchy fog early this morning. Near steady temperature in the mid 60s. North winds 5 to 10 mph.

Night: Cloudy. A slight chance of showers after midnight. Lows in the mid 50s. Northeast winds around 10 mph with gusts up to 20 mph. Chance of rain 20 percent.

Plankinton, SD

Today
Drizzle
62°/ 55° 17°/ 13°
0%
Sunday
Rain Showers
62°/ 52° 17°/ 11°
80%
Monday
Rain Showers
62°/ 45° 17°/
50%
Tuesday
Partly Cloudy
65°/ 48° 18°/
0%
Wednesday
Mostly Cloudy
68°/ 52° 20°/ 11°
40%
Thursday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Friday
Mostly Cloudy
72°22°
0%

Day: Cloudy. Patchy very light drizzle early this morning. Patchy dense fog early this morning. Near steady temperature in the lower 60s. North winds around 10 mph with gusts up to 20 mph.

Night: Cloudy. Lows in the mid 50s. Northeast winds around 10 mph with gusts up to 20 mph.

Gettysburg, SD

Today
Drizzle
65°/ 52° 18°/ 11°
40%
Sunday
Rain Showers
62°/ 48° 17°/
70%
Monday
Rain Showers
65°/ 48° 18°/
20%
Tue Night
Mostly Cloudy
48°
0%
Wednesday
Rain Showers
70°/ 52° 21°/ 11°
40%
Thu-Thu Night
Rain Showers
72°22°
20%
Friday
Partly Cloudy
75°24°
0%

Day: Cloudy. A slight chance of very light drizzle this morning. Patchy dense fog this morning. Highs in the mid 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph.

Night: Cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the lower 50s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent.

Wessington Springs, SD

Today
Drizzle
62°/ 52° 17°/ 11°
0%
Sunday
Rain Showers
62°/ 50° 17°/ 10°
80%
Monday
Rain Showers
62°/ 45° 17°/
30%
Tuesday
Partly Cloudy
65°/ 48° 18°/
0%
Wednesday
Mostly Cloudy
68°/ 52° 20°/ 11°
40%
Thursday
Mostly Cloudy
70°/ 55° 21°/ 13°
0%
Friday
Mostly Cloudy
72°22°
0%

Day: Cloudy. Patchy very light drizzle early this morning. Patchy dense fog early this morning. Near steady temperature in the lower 60s. North winds around 10 mph with gusts up to 20 mph.

Night: Cloudy. Lows in the lower 50s. Northeast winds 5 to 10 mph with gusts up to 20 mph.

Armour, SD

Today
Drizzle
65°/ 55° 18°/ 13°
0%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
80%
Monday
Rain Showers
62°/ 45° 17°/
50%
Tuesday
Partly Cloudy
65°/ 48° 18°/
0%
Wednesday
Partly Cloudy
68°/ 52° 20°/ 11°
40%
Thursday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Friday
Mostly Cloudy
72°22°
0%

Day: Cloudy. Patchy very light drizzle early this morning. Patchy fog early this morning. Near steady temperature in the mid 60s. North winds around 10 mph with gusts up to 20 mph.

Night: Cloudy. Lows in the mid 50s. Northeast winds around 10 mph.

Huron, SD

Today
Drizzle
68°/ 52° 20°/ 11°
0%
Sunday
Rain Showers
65°/ 50° 18°/ 10°
50%
Monday
Rain Showers
62°/ 45° 17°/
20%
Tuesday
Partly Cloudy
65°/ 48° 18°/
0%
Wednesday
Partly Cloudy
68°/ 52° 20°/ 11°
40%
Thursday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Friday
Mostly Cloudy
72°22°
0%

Day: Cloudy. Patchy very light drizzle early this morning. Patchy fog early this morning. Highs in the upper 60s. North winds around 10 mph.

Night: Cloudy. Lows in the lower 50s. Northeast winds 5 to 10 mph.

Faulkton, SD

Today
Drizzle
65°/ 52° 18°/ 11°
40%
Sunday
Rain Showers
65°/ 48° 18°/
50%
Monday
Rain Showers
65°/ 48° 18°/
20%
Tue Night
Mostly Cloudy
48°
0%
Wednesday
Rain Showers
70°/ 52° 21°/ 11°
40%
Thu-Thu Night
Rain Showers
72°22°
20%
Friday
Mostly Cloudy
75°24°
0%

Day: Cloudy. A slight chance of very light drizzle this morning. Patchy dense fog this morning. Highs in the mid 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph.

Night: Mostly cloudy. A chance of showers after midnight. Lows in the lower 50s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent.

Woonsocket, SD

Today
Drizzle
68°/ 55° 20°/ 13°
0%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
70%
Monday
Rain Showers
62°/ 45° 17°/
50%
Tuesday
Partly Cloudy
65°/ 48° 18°/
0%
Wednesday
Partly Cloudy
68°/ 52° 20°/ 11°
40%
Thursday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Friday
Mostly Cloudy
72°22°
0%

Day: Cloudy. Patchy very light drizzle early this morning. Patchy fog early this morning. Highs in the upper 60s. North winds 5 to 10 mph.

Night: Cloudy. Lows in the mid 50s. Northeast winds 5 to 10 mph.

Isabel, SD

Today
Rain Showers
68°/ 52° 20°/ 11°
50%
Sunday
Rain Showers
62°/ 48° 17°/
70%
Monday
Rain Showers
65°/ 48° 18°/
20%
Tue Night
Mostly Cloudy
48°
0%
Wednesday
Rain Showers
72°/ 52° 22°/ 11°
30%
Thursday
Partly Cloudy
75°/ 55° 24°/ 13°
0%
Friday
Partly Cloudy
78°26°
0%

Day: Cloudy. Patchy fog this morning. A slight chance of very light drizzle this morning, then a slight chance of showers this afternoon. Highs in the upper 60s. Northeast winds 10 to 15 mph. Chance of rain 20 percent.

Night: Cloudy with a 50 percent chance of showers. Lows in the lower 50s. Northeast winds 10 to 15 mph with gusts up to 25 mph.

Mitchell, SD

Today
Drizzle
68°/ 55° 20°/ 13°
0%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
70%
Monday
Rain Showers
62°/ 45° 17°/
50%
Tuesday
Partly Cloudy
65°/ 48° 18°/
0%
Wednesday
Partly Cloudy
68°/ 52° 20°/ 11°
40%
Thursday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Friday
Mostly Cloudy
72°22°
0%

Day: Cloudy. Patchy very light drizzle early this morning. Patchy fog early this morning. Highs in the upper 60s. North winds around 10 mph with gusts up to 20 mph.

Night: Cloudy. Lows in the mid 50s. North winds 5 to 10 mph.

Names listed above may include county names.

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