Olsonville, SD Weather Forecast & Current Conditions

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Olsonville Weather Map
UTC Time: 9/20/2026, 20:36
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Olsonville, SD Regional Weather

Expires:202609202100;;781544
ASUS43 KFSD 202010
RWRSD 

WEATHER ROUNDUP FOR SOUTH DAKOTA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
300 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>074-202100-
SOUTHWEST AND SOUTH CENTRAL SOUTH DAKOTA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
RAPID CTY ARPT CLOUDY    61  57  87 SE10      30.11S TC  16           
PIERRE         RAIN      59  56  89 E9        30.11F TC  15           
CUSTER         CLOUDY    57  48  72 W5        30.16F TC  14           
ELLSWORTH AFB  PTSUNNY   59  57  94 E8        30.07F FOG     TC  15   
PHILIP         LGT RAIN  58  56  93 E10       30.11F FOG     TC  14   
SPEARFISH      DRIZZLE   59  59 100 E6        30.13S TC  15           
WINNER         LGT RAIN  57  56  96 E13       30.10F 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

Olsonville, 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.

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.

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.

Winner, SD

Afternoon
Rain Showers
58°/ 48° 14°/
90%
Monday
Rain Showers
58°/ 45° 14°/
70%
Tuesday
Cloudy
62°/ 48° 17°/
40%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
30%
Thursday
Cloudy
75°/ 52° 24°/ 11°
0%
Friday
Cloudy
75°/ 55° 24°/ 13°
0%
Saturday
Cloudy
75°24°
0%

Day: Showers. Areas of fog. Highs in the upper 50s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.

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.

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.

Martin, 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.

Murdo, SD

Afternoon
Thunderstorms
58°/ 50° 14°/ 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%
Saturday
Partly Cloudy
78°26°
0%

Day: Showers with a slight chance of thunderstorms. Patchy fog. Near steady temperature in the upper 50s. East winds around 15 mph with gusts up to 30 mph. Chance of rain 90 percent.

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

Ainsworth, NE

Tonight
Thunderstorms
52°11°
90%
Monday
Rain Showers
62°/ 48° 17°/
70%
Tuesday
Mostly Cloudy
62°/ 50° 17°/ 10°
40%
Wednesday
Mostly Cloudy
65°/ 55° 18°/ 13°
50%
Thursday
Rain Showers
72°/ 55° 22°/ 13°
40%
Friday
Rain Showers
70°/ 55° 21°/ 13°
30%
Saturday
Mostly Cloudy
75°/ 55° 24°/ 13°
0%
Sunday
Partly Cloudy
72°22°
0%

Night: Cloudy with a slight chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Patchy fog. Lows in the lower 50s. East winds up to 10 mph in the evening, becoming light and variable. Chance of precipitation 90 percent.

Springview, NE

Tonight
Thunderstorms
50°10°
90%
Monday
Rain Showers
58°/ 45° 14°/
70%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
40%
Wednesday
Rain Showers
65°/ 55° 18°/ 13°
40%
Thursday
Rain Showers
72°/ 55° 22°/ 13°
40%
Friday
Rain Showers
68°/ 55° 20°/ 13°
30%
Saturday
Partly Cloudy
72°/ 55° 22°/ 13°
0%
Sunday
Sunny
70°21°
0%

Night: A slight chance of thunderstorms. Showers. Patchy fog. Lows around 50. East winds up to 10 mph. Chance of precipitation 90 percent.

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.

Kennebec, SD

Afternoon
Rain Showers
58°/ 52° 14°/ 11°
100%
Monday
Rain Showers
60°/ 45° 16°/
70%
Tuesday
Mostly Cloudy
65°/ 50° 18°/ 10°
40%
Wed Night
Thunderstorms
55°13°
40%
Thursday
Rain Showers
75°/ 55° 24°/ 13°
30%
Fri-Fri Night
Rain Showers
72°22°
20%
Saturday
Partly Cloudy
75°24°
0%

Day: Showers. Patchy fog. Near steady temperature in the upper 50s. East winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 90 percent.

Night: Patchy fog in the evening. Showers. Lows in the lower 50s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 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.

Bassett, NE

Tonight
Thunderstorms
52°11°
90%
Monday
Rain Showers
60°/ 48° 16°/
70%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
40%
Wednesday
Thunderstorms
65°/ 52° 18°/ 11°
50%
Thursday
Rain Showers
70°/ 52° 21°/ 11°
50%
Friday
Rain Showers
68°/ 55° 20°/ 13°
30%
Saturday
Rain Showers
72°/ 55° 22°/ 13°
20%
Sunday
Partly Cloudy
72°22°
0%

Night: Cloudy. A chance of showers in the evening, then showers and a slight chance of thunderstorms after midnight. Patchy fog in the evening, then areas of fog after midnight. Lows in the lower 50s. East winds up to 10 mph in the evening, becoming light and variable. Chance of precipitation 90 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.

Dunning, NE

Tonight
Thunderstorms
52°11°
70%
Monday
Rain Showers
62°/ 48° 17°/
50%
Tuesday
Mostly Cloudy
62°/ 52° 17°/ 11°
40%
Wednesday
Mostly Cloudy
68°/ 55° 20°/ 13°
50%
Thursday
Rain Showers
72°/ 55° 22°/ 13°
50%
Friday
Rain Showers
70°/ 58° 21°/ 14°
30%
Saturday
Mostly Cloudy
75°/ 58° 24°/ 14°
0%
Sunday
Sunny
72°22°
0%

Night: Cloudy. A chance of showers and a slight chance of thunderstorms in the evening, then showers likely and a chance of thunderstorms after midnight. Patchy fog after midnight. Lows in the lower 50s. East winds up to 10 mph in the evening, becoming light and variable. Chance of precipitation 70 percent.

Thedford, NE

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

Night: Showers likely. A chance of thunderstorms in the evening, then a slight chance of thunderstorms after midnight. Patchy fog after midnight. Lows in the lower 50s. East winds up to 10 mph in the evening, becoming light and variable. Chance of precipitation 70 percent.

Spencer, NE

Tonight
Rain Showers
52°11°
90%
Monday
Rain Showers
58°/ 48° 14°/
90%
Tuesday
Mostly Cloudy
62°/ 52° 17°/ 11°
20%
Wednesday
Thunderstorms
68°/ 55° 20°/ 13°
50%
Thursday
Rain Showers
70°/ 55° 21°/ 13°
50%
Friday
Rain Showers
70°/ 58° 21°/ 14°
40%
Saturday
Rain Showers
72°/ 58° 22°/ 14°
20%
Sunday
Partly Cloudy
72°22°
0%

Night: Showers. Patchy fog. Lows in the lower 50s. Northeast winds around 10 mph. Chance of precipitation 90 percent.

Mullen, NE

Tonight
Thunderstorms
48°
70%
Monday
Rain Showers
65°/ 45° 18°/
40%
Tuesday
Mostly Cloudy
62°/ 50° 17°/ 10°
20%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
40%
Thursday
Rain Showers
72°/ 52° 22°/ 11°
40%
Friday
Rain Showers
72°/ 55° 22°/ 13°
20%
Saturday
Sunny
75°/ 52° 24°/ 11°
0%
Sunday
Sunny
72°22°
0%

Night: Mostly cloudy. Showers likely and a chance of thunderstorms in the evening, then a chance of showers and a slight chance of thunderstorms after midnight. Patchy fog after midnight. Lows in the upper 40s. East winds up to 10 mph, becoming west 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.

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.

Names listed above may include county names.

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