Olson Park, SD Weather Forecast & Current Conditions

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Olson Park Weather Map
UTC Time: 9/18/2026, 16:53
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Olson Park, SD Regional Weather

Expires:202609181700;;661533
ASUS43 KFSD 181610
RWRFSD

WEATHER ROUNDUP FOR SE SOUTH DAKOTA/SW MINNESOTA/NW IOWA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1100 AM CDT FRI SEP 18 2026

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



SDZ038>040-050-052>070-181700-
SOUTHEAST SOUTH DAKOTA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BROOKINGS      LGT RAIN  61  60  97 E13       30.09F TC  16           
CHAMBERLAIN    CLOUDY    65  64  99 SE8       30.04S TC  18           
HURON          CLOUDY    63  62  97 SE9       30.04S TC  17           
MADISON        MIX PCPN  61  61 100 SE14      30.07F FOG     TC  16   
MITCHELL       CLOUDY    65  63  93 SE15G23   30.03S TC  18           
SIOUX FALLS    CLOUDY    64  63  94 SE9       30.06F TC  18           
WINNER         CLOUDY    68  66  93 SE7       30.03S TC  20           
YANKTON        CLOUDY    66  66 100 E12       30.01F FOG     TC  19   
$$


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

Olson Park, SD

Today
Thunderstorms
72°/ 58° 22°/ 14°
50%
Saturday
Rain Showers
65°/ 55° 18°/ 13°
20%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
70%
Monday
Rain Showers
58°/ 48° 14°/
50%
Tuesday
Mostly Cloudy
62°/ 45° 17°/
0%
Wednesday
Partly Cloudy
65°/ 52° 18°/ 11°
30%
Thursday
Mostly Cloudy
68°20°
0%

Day: Cloudy. A chance of showers with a slight chance of thunderstorms early this morning, then a slight chance of showers this afternoon. Highs in the lower 70s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent.

Night: Cloudy with a 20 percent chance of showers. Patchy fog after midnight. Humid with lows in the upper 50s. Northeast winds 5 to 10 mph.

Canton, SD

Today
Thunderstorms
78°/ 62° 26°/ 17°
50%
Saturday
Rain Showers
68°/ 55° 20°/ 13°
20%
Sunday
Rain Showers
62°/ 52° 17°/ 11°
70%
Monday
Rain Showers
58°/ 48° 14°/
70%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Partly Cloudy
65°/ 52° 18°/ 11°
30%
Thursday
Mostly Cloudy
68°20°
0%

Day: Cloudy. A chance of showers with a slight chance of thunderstorms early this morning, then a slight chance of showers this afternoon. Highs in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 50 percent.

Night: Mostly cloudy with a 20 percent chance of showers. Patchy fog after midnight. Humid with lows in the lower 60s. Northeast winds 5 to 10 mph.

Rock Rapids, IA

Today
Thunderstorms
75°/ 60° 24°/ 16°
90%
Saturday
Rain Showers
68°/ 55° 20°/ 13°
30%
Sunday
Rain Showers
62°/ 52° 17°/ 11°
70%
Monday
Rain Showers
58°/ 45° 14°/
50%
Tuesday
Mostly Cloudy
62°/ 45° 17°/
0%
Wednesday
Partly Cloudy
62°/ 48° 17°/
30%
Thursday
Mostly Cloudy
68°20°
0%

Day: Cloudy with a slight chance of thunderstorms. Showers early this morning, then a slight chance of showers this afternoon. Highs in the mid 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers after midnight. Patchy fog after midnight. Humid with lows around 60. Northeast winds 5 to 10 mph. Chance of rain 40 percent.

Luverne, MN

Today
Thunderstorms
70°/ 58° 21°/ 14°
100%
Saturday
Rain Showers
65°/ 55° 18°/ 13°
20%
Sunday
Rain Showers
62°/ 50° 17°/ 10°
60%
Monday
Rain Showers
58°/ 45° 14°/
50%
Tuesday
Mostly Cloudy
62°/ 45° 17°/
0%
Wednesday
Partly Cloudy
62°/ 48° 17°/
0%
Thursday
Mostly Cloudy
68°20°
0%

Day: Showers with a chance of thunderstorms early this morning, then a chance of showers with a slight chance of thunderstorms this afternoon. Highs around 70. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain near 100 percent.

Night: A slight chance of thunderstorms in the evening. Cloudy with a chance of showers. Patchy fog. Humid with lows in the upper 50s. Northeast winds 5 to 10 mph. Chance of rain 50 percent.

Parker, SD

Today
Thunderstorms
78°/ 62° 26°/ 17°
50%
Saturday
Rain Showers
68°/ 58° 20°/ 14°
20%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
70%
Monday
Rain Showers
60°/ 48° 16°/
70%
Tuesday
Mostly Cloudy
65°/ 48° 18°/
0%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
30%
Thursday
Mostly Cloudy
72°22°
0%

Day: Cloudy. A chance of showers with a slight chance of thunderstorms early this morning. Highs in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 50 percent.

Night: Mostly cloudy. Humid with lows in the lower 60s. North winds 5 to 10 mph.

Pipestone, MN

Today
Thunderstorms
65°/ 55° 18°/ 13°
100%
Saturday
Rain Showers
62°/ 52° 17°/ 11°
20%
Sunday
Rain Showers
62°/ 48° 17°/
50%
Monday
Rain Showers
58°/ 45° 14°/
50%
Tuesday
Sunny
62°/ 45° 17°/
0%
Wednesday
Partly Cloudy
62°/ 48° 17°/
0%
Thursday
Partly Cloudy
68°20°
0%

Day: Patchy fog early this morning. Showers with a chance of thunderstorms early this morning, then a chance of showers with a slight chance of thunderstorms this afternoon. Highs in the mid 60s. Southeast winds 10 to 15 mph with gusts up to 30 mph. Chance of rain near 100 percent.

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

Flandreau, SD

Today
Thunderstorms
68°/ 55° 20°/ 13°
70%
Saturday
Cloudy
65°/ 52° 18°/ 11°
20%
Sunday
Rain Showers
65°/ 48° 18°/
60%
Monday
Rain Showers
58°/ 45° 14°/
50%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wednesday
Partly Cloudy
65°/ 48° 18°/
30%
Thursday
Partly Cloudy
68°20°
0%

Day: Cloudy. Patchy fog early this morning. Showers likely with a slight chance of thunderstorms early this morning, then a chance of showers this afternoon. Highs in the upper 60s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent.

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

Salem, SD

Today
Thunderstorms
75°/ 58° 24°/ 14°
50%
Saturday
Cloudy
68°/ 55° 20°/ 13°
0%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
60%
Monday
Rain Showers
60°/ 48° 16°/
50%
Tuesday
Mostly Cloudy
65°/ 48° 18°/
0%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
30%
Thursday
Mostly Cloudy
72°22°
0%

Day: Cloudy. A chance of showers with a slight chance of thunderstorms early this morning, then a slight chance of showers this afternoon. Highs in the mid 70s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent.

Night: Cloudy. A slight chance of showers in the evening. Humid with lows in the upper 50s. Northeast winds 5 to 10 mph. Chance of rain 20 percent.

Madison, SD

Today
Thunderstorms
68°/ 55° 20°/ 13°
50%
Saturday
Cloudy
65°/ 52° 18°/ 11°
0%
Sunday
Rain Showers
65°/ 50° 18°/ 10°
60%
Monday
Rain Showers
58°/ 45° 14°/
50%
Tuesday
Mostly Cloudy
62°/ 45° 17°/
0%
Wednesday
Mostly Cloudy
65°/ 50° 18°/ 10°
30%
Thursday
Partly Cloudy
70°21°
0%

Day: A slight chance of thunderstorms early this morning. Cloudy with a chance of showers. Highs in the upper 60s. East winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent.

Night: Cloudy. A slight chance of showers in the evening. Patchy fog. Lows in the mid 50s. Northeast winds 5 to 10 mph. Chance of rain 20 percent.

Sioux Center, IA

Today
Thunderstorms
78°/ 62° 26°/ 17°
70%
Saturday
Rain Showers
68°/ 55° 20°/ 13°
40%
Sunday
Rain Showers
62°/ 52° 17°/ 11°
70%
Monday
Rain Showers
58°/ 48° 14°/
70%
Tuesday
Mostly Cloudy
62°/ 45° 17°/
0%
Wednesday
Partly Cloudy
62°/ 50° 17°/ 10°
30%
Thursday
Mostly Cloudy
68°20°
0%

Day: Cloudy with a slight chance of thunderstorms. Showers likely early this morning, then a slight chance of showers this afternoon. Highs in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.

Night: A slight chance of thunderstorms in the evening. Mostly cloudy with a slight chance of showers. Patchy fog after midnight. Humid with lows in the lower 60s. Northeast winds 5 to 10 mph, becoming north after midnight. Chance of rain 20 percent.

North Sioux City, SD

Today
Thunderstorms
82°/ 62° 28°/ 17°
50%
Saturday
Rain Showers
68°/ 58° 20°/ 14°
30%
Sunday
Rain Showers
62°/ 52° 17°/ 11°
70%
Monday
Rain Showers
58°/ 48° 14°/
70%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
30%
Thursday
Mostly Cloudy
70°21°
0%

Day: Cloudy with a chance of showers with a slight chance of thunderstorms early this morning, then partly sunny this afternoon. Highs in the lower 80s. Southeast winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 50 percent.

Night: Mostly cloudy. A slight chance of showers after midnight. Humid with lows in the lower 60s. North winds 5 to 10 mph. Chance of rain 20 percent.

Worthington, MN

Today
Thunderstorms
68°/ 58° 20°/ 14°
100%
Saturday
Rain Showers
65°/ 55° 18°/ 13°
30%
Sunday
Rain Showers
62°/ 50° 17°/ 10°
50%
Monday
Rain Showers
58°/ 45° 14°/
50%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wednesday
Partly Cloudy
62°/ 48° 17°/
0%
Thursday
Partly Cloudy
68°20°
0%

Day: A chance of thunderstorms. Showers early this morning, then a chance of showers this afternoon. Highs in the upper 60s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.

Night: A chance of thunderstorms in the evening. Cloudy with a chance of showers. Patchy fog. Lows in the upper 50s. Northeast winds 5 to 10 mph. Chance of rain 50 percent.

Parkston, SD

Today
Thunderstorms
78°/ 60° 26°/ 16°
30%
Saturday
Cloudy
68°/ 55° 20°/ 13°
20%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
70%
Monday
Rain Showers
62°/ 48° 17°/
70%
Tuesday
Mostly Cloudy
65°/ 48° 18°/
0%
Wednesday
Rain Showers
65°/ 52° 18°/ 11°
40%
Thursday
Mostly Cloudy
72°22°
0%

Day: Mostly cloudy. A chance of showers with a slight chance of thunderstorms early this morning. Highs in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 30 mph, becoming east 5 to 10 mph with gusts up to 20 mph this afternoon. Chance of rain 30 percent.

Night: Mostly cloudy. Humid with lows around 60. North winds 5 to 10 mph.

Vermillion, SD

Today
Thunderstorms
82°/ 62° 28°/ 17°
50%
Saturday
Rain Showers
68°/ 58° 20°/ 14°
30%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
70%
Monday
Rain Showers
58°/ 48° 14°/
70%
Tuesday
Mostly Cloudy
65°/ 48° 18°/
0%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
30%
Thursday
Mostly Cloudy
72°22°
0%

Day: Cloudy with a chance of showers with a slight chance of thunderstorms early this morning, then partly sunny this afternoon. Highs in the lower 80s. Southeast winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 50 percent.

Night: Mostly cloudy. Humid with lows in the lower 60s. North winds 5 to 10 mph.

Slayton, MN

Today
Thunderstorms
65°/ 55° 18°/ 13°
100%
Saturday
Rain Showers
62°/ 52° 17°/ 11°
30%
Sunday
Rain Showers
62°/ 48° 17°/
50%
Monday
Rain Showers
58°/ 45° 14°/
50%
Tuesday
Sunny
62°/ 42° 17°/
0%
Wednesday
Partly Cloudy
65°/ 48° 18°/
0%
Thursday
Partly Cloudy
68°20°
0%

Day: Showers with a chance of thunderstorms early this morning, then showers likely with a slight chance of thunderstorms this afternoon. Patchy fog. Highs in the mid 60s. East winds 10 to 15 mph with gusts up to 30 mph. Chance of rain near 100 percent.

Night: A slight chance of thunderstorms in the evening. Cloudy with a chance of showers. Patchy fog. Lows in the mid 50s. Northeast winds 5 to 10 mph. Chance of rain 50 percent.

Yankton, SD

Today
Thunderstorms
82°/ 62° 28°/ 17°
40%
Saturday
Rain Showers
68°/ 58° 20°/ 14°
30%
Sunday
Rain Showers
62°/ 52° 17°/ 11°
80%
Monday
Rain Showers
60°/ 48° 16°/
70%
Tuesday
Mostly Cloudy
65°/ 48° 18°/
0%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
40%
Thursday
Mostly Cloudy
72°22°
0%

Day: Patchy fog early this morning. Cloudy with a chance of showers with a slight chance of thunderstorms early this morning, then partly sunny this afternoon. Highs in the lower 80s. Southeast winds 10 to 15 mph with gusts up to 30 mph, becoming south with gusts up to 20 mph this afternoon. Chance of rain 40 percent.

Night: Mostly cloudy. Humid with lows in the lower 60s. North winds 5 to 10 mph.

Sibley, IA

Today
Thunderstorms
72°/ 60° 22°/ 16°
70%
Saturday
Rain Showers
65°/ 55° 18°/ 13°
40%
Sunday
Rain Showers
62°/ 50° 17°/ 10°
60%
Monday
Rain Showers
58°/ 45° 14°/
50%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wednesday
Partly Cloudy
62°/ 48° 17°/
0%
Thursday
Partly Cloudy
68°20°
0%

Day: Cloudy. Showers likely with a slight chance of thunderstorms early this morning, then a chance of showers and thunderstorms this afternoon. Highs in the lower 70s. Southeast winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 70 percent.

Night: A chance of thunderstorms in the evening. Cloudy with a chance of showers. Patchy fog. Humid with lows around 60. Northeast winds 5 to 10 mph. Chance of rain 50 percent.

Sheldon, IA

Today
Thunderstorms
75°/ 62° 24°/ 17°
50%
Saturday
Rain Showers
68°/ 55° 20°/ 13°
40%
Sunday
Rain Showers
62°/ 50° 17°/ 10°
70%
Monday
Rain Showers
58°/ 45° 14°/
70%
Tuesday
Mostly Cloudy
62°/ 45° 17°/
0%
Wednesday
Partly Cloudy
62°/ 48° 17°/
0%
Thursday
Mostly Cloudy
68°20°
0%

Day: Cloudy with a chance of showers. A slight chance of thunderstorms early this morning, then a chance of thunderstorms this afternoon. Highs in the mid 70s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent.

Night: Cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Patchy fog after midnight. Humid with lows in the lower 60s. East winds 5 to 10 mph, becoming northeast after midnight. Chance of rain 50 percent.

Howard, SD

Today
Thunderstorms
70°/ 58° 21°/ 14°
50%
Saturday
Cloudy
65°/ 55° 18°/ 13°
0%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
60%
Monday
Rain Showers
60°/ 45° 16°/
50%
Tuesday
Mostly Cloudy
65°/ 48° 18°/
0%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
40%
Thursday
Partly Cloudy
72°22°
0%

Day: Cloudy. A chance of showers with a slight chance of thunderstorms early this morning, then a slight chance of showers this afternoon. Highs around 70. Southeast winds 15 to 20 mph. Gusts up to 35 mph early this morning. Chance of rain 50 percent.

Night: Cloudy. A slight chance of showers in the evening. Lows in the upper 50s. Northeast winds 5 to 10 mph. Chance of rain 20 percent.

Alexandria, SD

Today
Thunderstorms
75°/ 58° 24°/ 14°
40%
Saturday
Cloudy
68°/ 55° 20°/ 13°
20%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
70%
Monday
Rain Showers
62°/ 48° 17°/
50%
Tuesday
Mostly Cloudy
65°/ 48° 18°/
0%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
40%
Thursday
Mostly Cloudy
72°22°
0%

Day: Cloudy. A chance of showers with a slight chance of thunderstorms early this morning. Highs in the mid 70s. East winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 40 percent.

Night: Cloudy. A slight chance of showers in the evening. Humid with lows in the upper 50s. North winds 5 to 10 mph. Chance of rain 20 percent.

Names listed above may include county names.

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