Oacoma, SD Weather Forecast & Current Conditions

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Oacoma Weather Map
UTC Time: 9/20/2026, 09:58
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Oacoma, SD Regional Weather

Expires:202609201000;;757275
ASUS43 KFSD 200910
RWRSD 

WEATHER ROUNDUP FOR SOUTH DAKOTA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
400 AM 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.



SDZ017-020-022-023-036>040-048>070-201000-
SOUTHEAST SOUTH DAKOTA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
SIOUX FALLS    CLOUDY    59  57  93 NE15      30.04F TC  15           
HURON          CLOUDY    60  57  89 NE7       30.09S TC  16           
CHAMBERLAIN    CLOUDY    58  58  99 NE5       30.10F TC  15           
MADISON        CLOUDY    57  57 100 E12G18    30.06S TC  14           
MITCHELL       CLOUDY    60  57  89 N7        30.08R TC  16           
YANKTON        CLOUDY    60  59  96 N5        30.04S TC  16           
$$
 
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

Oacoma, SD

Today
Rain Showers
62°/ 50° 17°/ 10°
100%
Monday
Rain Showers
60°/ 45° 16°/
70%
Tuesday
Mostly Cloudy
65°/ 48° 18°/
20%
Wed Night
Thunderstorms
52°11°
40%
Thu-Thu Night
Cloudy
75°24°
0%
Friday
Mostly Cloudy
78°26°
0%
Saturday
Mostly Cloudy
78°26°
0%

Day: A chance of showers this morning, then showers this afternoon. Patchy fog this afternoon. Highs in the lower 60s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.

Night: Showers. Patchy fog. Lows around 50. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.

Chamberlain, SD

Today
Rain Showers
62°/ 50° 17°/ 10°
100%
Monday
Rain Showers
58°/ 45° 14°/
70%
Tuesday
Partly Cloudy
62°/ 48° 17°/
0%
Wednesday
Partly Cloudy
65°/ 52° 18°/ 11°
40%
Thursday
Partly Cloudy
72°/ 52° 22°/ 11°
0%
Friday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Saturday
Mostly Cloudy
75°24°
0%

Day: Cloudy. Patchy fog this morning. A chance of showers with patchy drizzle this morning, then showers this afternoon. Highs in the lower 60s. Northeast winds 10 to 15 mph. Chance of rain 90 percent.

Night: Showers. Lows around 50. East winds around 10 mph with gusts up to 20 mph. Chance of rain near 100 percent.

Fort Thompson, SD

Today
Rain Showers
62°/ 50° 17°/ 10°
100%
Monday
Rain Showers
58°/ 42° 14°/
50%
Tuesday
Partly Cloudy
62°/ 48° 17°/
0%
Wednesday
Rain Showers
65°/ 52° 18°/ 11°
40%
Thursday
Partly Cloudy
72°/ 52° 22°/ 11°
0%
Friday
Rain Showers
72°/ 55° 22°/ 13°
20%

Day: Cloudy. A chance of showers this morning, then showers likely this afternoon. Highs in the lower 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.

Night: Patchy fog in the evening. Showers. Lows around 50. East winds around 10 mph. Chance of rain near 100 percent.

Wagner, SD

Today
Rain Showers
58°/ 52° 14°/ 11°
100%
Monday
Thunderstorms
58°/ 45° 14°/
80%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Partly Cloudy
65°/ 52° 18°/ 11°
50%
Thursday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Friday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Saturday
Mostly Cloudy
72°22°
0%

Day: Cloudy. Patchy fog this morning. A chance of showers with patchy drizzle this morning, then showers this afternoon. Near steady temperature in the upper 50s. Northeast winds around 10 mph with gusts up to 20 mph. Chance of rain 80 percent.

Night: Showers. A slight chance of thunderstorms after midnight. Lows in the lower 50s. Northeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain near 100 percent.

Gregory, SD

Today
Rain Showers
58°/ 52° 14°/ 11°
100%
Monday
Rain Showers
58°/ 45° 14°/
90%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
20%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
50%
Thursday
Partly Cloudy
72°/ 55° 22°/ 13°
0%
Friday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Saturday
Mostly Cloudy
72°22°
0%

Day: Showers. Patchy fog. Near steady temperature in the upper 50s. Northeast winds around 10 mph with gusts up to 20 mph. Chance of rain 90 percent.

Night: A slight chance of thunderstorms. Showers. Lows in the lower 50s. Northeast winds around 10 mph with gusts up to 20 mph. Chance of rain near 100 percent.

Highmore, SD

Today
Rain Showers
62°/ 48° 17°/
100%
Monday
Rain Showers
60°/ 42° 16°/
50%
Tuesday
Partly Cloudy
62°/ 48° 17°/
0%
Wednesday
Rain Showers
65°/ 52° 18°/ 11°
40%
Thursday
Partly Cloudy
75°/ 52° 24°/ 11°
0%
Friday
Mostly Cloudy
75°24°
0%
Saturday
Mostly Cloudy
75°24°
0%

Day: Cloudy. A slight chance of showers this morning, then showers likely this afternoon. Highs in the lower 60s. East winds 15 to 20 mph. Chance of rain 70 percent.

Night: Patchy fog in the evening. Showers. Lows in the upper 40s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.

Plankinton, SD

Today
Rain Showers
62°/ 52° 17°/ 11°
100%
Monday
Rain Showers
58°/ 45° 14°/
50%
Tuesday
Partly Cloudy
62°/ 48° 17°/
0%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
50%
Thursday
Mostly Cloudy
72°/ 52° 22°/ 11°
0%
Friday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Saturday
Mostly Cloudy
72°22°
0%

Day: Cloudy. Patchy fog this morning. A chance of showers with patchy drizzle this morning, then showers likely this afternoon. Highs in the lower 60s. Northeast winds 10 to 15 mph. Chance of rain 70 percent.

Night: Showers. Lows in the lower 50s. Northeast winds around 10 mph with gusts up to 20 mph. Chance of rain near 100 percent.

Miller, SD

Today
Rain Showers
62°/ 48° 17°/
70%
Monday
Rain Showers
60°/ 42° 16°/
50%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wednesday
Rain Showers
65°/ 52° 18°/ 11°
40%
Thursday
Partly Cloudy
72°/ 52° 22°/ 11°
0%
Friday
Mostly Cloudy
72°22°
0%
Saturday
Mostly Cloudy
72°22°
0%

Day: Cloudy. A chance of showers this afternoon. Highs in the lower 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

Night: Patchy fog in the evening. Showers likely. Lows in the upper 40s. Northeast winds 10 to 15 mph. Chance of rain 70 percent.

Wessington Springs, SD

Today
Rain Showers
62°/ 52° 17°/ 11°
90%
Monday
Rain Showers
58°/ 45° 14°/
50%
Tuesday
Partly Cloudy
62°/ 48° 17°/
0%
Wednesday
Partly Cloudy
65°/ 52° 18°/ 11°
40%
Thursday
Mostly Cloudy
72°/ 52° 22°/ 11°
0%
Friday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Saturday
Mostly Cloudy
72°22°
0%

Day: Cloudy. Patchy fog this morning. A slight chance of showers this morning, then a chance of showers this afternoon. Highs in the lower 60s. Northeast winds 10 to 15 mph. Chance of rain 50 percent.

Night: Showers. Lows in the lower 50s. Northeast winds 5 to 10 mph. Chance of rain 90 percent.

Armour, SD

Today
Rain Showers
58°/ 52° 14°/ 11°
100%
Monday
Rain Showers
58°/ 45° 14°/
80%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Partly Cloudy
65°/ 52° 18°/ 11°
50%
Thursday
Mostly Cloudy
72°/ 52° 22°/ 11°
0%
Friday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Saturday
Mostly Cloudy
72°22°
0%

Day: Cloudy. Patchy fog this morning. A chance of showers with patchy drizzle this morning, then showers this afternoon. Near steady temperature in the upper 50s. Northeast winds 10 to 15 mph. Chance of rain 80 percent.

Night: Showers in the evening, then showers with a slight chance of thunderstorms after midnight. Lows in the lower 50s. Northeast winds around 10 mph. Chance of rain near 100 percent.

Pierre, SD

Today
Rain Showers
62°/ 50° 17°/ 10°
100%
Monday
Rain Showers
62°/ 45° 17°/
50%
Tuesday
Partly Cloudy
65°/ 48° 18°/
0%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
40%
Thu-Thu Night
Cloudy
75°24°
0%
Friday
Mostly Cloudy
78°26°
0%
Saturday
Mostly Cloudy
78°26°
0%

Day: Cloudy. A chance of showers this morning, then showers this afternoon. Patchy fog this afternoon. Highs in the lower 60s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.

Night: Patchy fog in the evening. Showers. Lows around 50. East winds 10 to 15 mph. Chance of rain near 100 percent.

Mitchell, SD

Today
Rain Showers
65°/ 52° 18°/ 11°
100%
Monday
Rain Showers
60°/ 45° 16°/
70%
Tuesday
Partly Cloudy
65°/ 45° 18°/
0%
Wednesday
Partly Cloudy
65°/ 52° 18°/ 11°
50%
Thursday
Mostly Cloudy
72°/ 52° 22°/ 11°
0%
Friday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Saturday
Mostly Cloudy
75°24°
0%

Day: Cloudy. A slight chance of showers with patchy drizzle this morning, then showers likely this afternoon. Highs in the mid 60s. Northeast winds 10 to 15 mph. Chance of rain 70 percent.

Night: Showers. Lows in the lower 50s. Northeast winds around 10 mph. Chance of rain near 100 percent.

Huron, SD

Today
Rain Showers
65°/ 50° 18°/ 10°
70%
Monday
Rain Showers
60°/ 42° 16°/
50%
Tuesday
Sunny
65°/ 45° 18°/
0%
Wednesday
Partly Cloudy
65°/ 50° 18°/ 10°
50%
Thursday
Mostly Cloudy
72°/ 52° 22°/ 11°
0%
Friday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Saturday
Mostly Cloudy
72°22°
0%

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

Night: Showers likely. Lows around 50. Northeast winds 5 to 10 mph. Chance of rain 70 percent.

Woonsocket, SD

Today
Rain Showers
65°/ 52° 18°/ 11°
90%
Monday
Rain Showers
60°/ 45° 16°/
50%
Tuesday
Sunny
65°/ 45° 18°/
0%
Wednesday
Partly Cloudy
65°/ 50° 18°/ 10°
50%
Thursday
Mostly Cloudy
72°/ 52° 22°/ 11°
0%
Friday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Saturday
Mostly Cloudy
72°22°
0%

Day: Cloudy. Patchy drizzle this morning, then a chance of showers this afternoon. Highs in the mid 60s. Northeast winds 10 to 15 mph. Chance of rain 50 percent.

Night: Showers. Lows in the lower 50s. Northeast winds 5 to 10 mph. Chance of rain 90 percent.

Murdo, SD

Today
Rain Showers
62°/ 50° 17°/ 10°
100%
Monday
Rain Showers
62°/ 45° 17°/
70%
Tuesday
Partly Cloudy
65°/ 50° 18°/ 10°
0%
Wednesday
Rain Showers
75°/ 55° 24°/ 13°
30%
Thu-Thu Night
Cloudy
78°26°
0%
Friday
Partly Cloudy
78°/ 55° 26°/ 13°
0%

Day: Showers. Patchy fog this afternoon. Highs in the lower 60s. East winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 90 percent.

Night: Showers. Patchy fog. Lows around 50. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.

Fort Pierre, SD

Today
Rain Showers
62°/ 50° 17°/ 10°
100%
Monday
Rain Showers
62°/ 45° 17°/
50%
Tuesday
Partly Cloudy
65°/ 50° 18°/ 10°
0%
Wednesday
Thunderstorms
75°/ 55° 24°/ 13°
40%
Thu-Thu Night
Cloudy
78°26°
0%
Friday
Partly Cloudy
78°/ 58° 26°/ 14°
0%

Day: A chance of showers this morning, then showers this afternoon. Patchy fog. Highs in the lower 60s. East winds around 15 mph with gusts up to 25 mph. Chance of rain 90 percent.

Night: Showers. Patchy fog. Lows around 50. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.

Onida, SD

Today
Rain Showers
62°/ 48° 17°/
90%
Monday
Rain Showers
62°/ 42° 17°/
40%
Tuesday
Partly Cloudy
65°/ 48° 18°/
0%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
40%
Thu-Thu Night
Cloudy
75°24°
0%
Friday
Mostly Cloudy
75°24°
0%
Saturday
Mostly Cloudy
75°24°
0%

Day: Cloudy. A chance of showers this morning, then showers likely this afternoon. Highs in the lower 60s. East winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 70 percent.

Night: Patchy fog in the evening. Showers. Lows in the upper 40s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.

Alexandria, SD

Today
Rain Showers
65°/ 52° 18°/ 11°
100%
Monday
Rain Showers
60°/ 45° 16°/
70%
Tuesday
Partly Cloudy
65°/ 45° 18°/
0%
Wednesday
Partly Cloudy
68°/ 52° 20°/ 11°
50%
Thursday
Mostly Cloudy
72°/ 52° 22°/ 11°
0%
Friday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Saturday
Mostly Cloudy
72°22°
0%

Day: Cloudy. A slight chance of showers with patchy drizzle this morning, then a chance of showers this afternoon. Highs in the mid 60s. Northeast winds 10 to 15 mph. Chance of rain 50 percent.

Night: Showers. Lows in the lower 50s. Northeast winds 5 to 10 mph. Chance of rain near 100 percent.

Parkston, SD

Today
Rain Showers
62°/ 52° 17°/ 11°
100%
Monday
Rain Showers
58°/ 45° 14°/
80%
Tuesday
Mostly Cloudy
62°/ 45° 17°/
0%
Wednesday
Partly Cloudy
65°/ 52° 18°/ 11°
50%
Thursday
Mostly Cloudy
72°/ 52° 22°/ 11°
0%
Friday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Saturday
Mostly Cloudy
72°22°
0%

Day: Cloudy. A slight chance of showers with patchy drizzle this morning, then showers likely this afternoon. Highs in the lower 60s. Northeast winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 70 percent.

Night: Showers in the evening, then showers with a slight chance of thunderstorms after midnight. Lows in the lower 50s. Northeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain near 100 percent.

Redfield, SD

Today
Rain Showers
65°/ 48° 18°/
50%
Monday
Rain Showers
62°/ 42° 17°/
20%
Tuesday
Partly Cloudy
65°/ 45° 18°/
0%
Wednesday
Rain Showers
68°/ 50° 20°/ 10°
50%
Thursday
Rain Showers
72°/ 55° 22°/ 13°
20%
Fri Night
Mostly Cloudy
55°13°
0%
Saturday
Rain Showers
72°22°
20%

Day: Mostly cloudy. A slight chance of showers this afternoon. Highs in the mid 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.

Night: Cloudy with a 50 percent chance of showers. Lows in the upper 40s. Northeast winds 5 to 10 mph.

Names listed above may include county names.

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