Cooper, SD Weather Forecast & Current Conditions

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Cooper Weather Map
UTC Time: 9/23/2026, 03:42
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Cooper, SD Regional Weather

Expires:202609230400;;902585
ASUS43 KFSD 230310
RWRSD 

WEATHER ROUNDUP FOR SOUTH DAKOTA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1000 PM CDT TUE SEP 22 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>074-230400-
SOUTHWEST AND SOUTH CENTRAL SOUTH DAKOTA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
RAPID CTY ARPT CLOUDY    59  58  96 SE14      30.09R TC  15           
PIERRE         CLOUDY    60  55  83 SE21G29   30.16R TC  16           
CUSTER         MOCLDY    50  49  96 CALM      30.18R FOG     TC  10   
ELLSWORTH AFB  CLOUDY    59  57  93 S16       30.06R TC  15           
PHILIP         CLOUDY    60  57  89 SE15      30.12R TC  16           
SPEARFISH      CLEAR     57  57 100 SE6       30.05R TC  14           
WINNER         CLOUDY    60  55  83 SE10      30.19R TC  16           
$$
 

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

Cooper, SD

Tonight
Rain Showers
52°11°
20%
Wednesday
Thunderstorms
78°/ 50° 26°/ 10°
50%
Thursday
Cloudy
78°/ 52° 26°/ 11°
0%
Friday
Rain Showers
72°/ 55° 22°/ 13°
40%
Saturday
Cloudy
78°/ 52° 26°/ 11°
0%
Sunday
Cloudy
72°/ 52° 22°/ 11°
40%
Monday
Rain Showers
70°/ 48° 21°/
40%
Tuesday
Rain Showers
65°18°
30%

Night: Mostly cloudy. A slight chance of showers after midnight. Breezy with lows in the lower 50s. Southeast winds 15 to 25 mph. Gusts up to 45 mph, decreasing to 35 mph after midnight. Chance of rain 20 percent.

Dupree, SD

Tonight
Rain Showers
52°11°
20%
Wednesday
Thunderstorms
78°/ 52° 26°/ 11°
50%
Thursday
Cloudy
78°/ 52° 26°/ 11°
0%
Friday
Rain Showers
70°/ 55° 21°/ 13°
50%
Saturday
Cloudy
78°/ 52° 26°/ 11°
0%
Sunday
Cloudy
72°/ 52° 22°/ 11°
50%
Monday
Rain Showers
70°/ 48° 21°/
40%
Tuesday
Rain Showers
65°18°
30%

Night: Cloudy with a 20 percent chance of showers. Breezy with lows in the lower 50s. Southeast winds 15 to 25 mph with gusts up to 35 mph.

Usta, SD

Tonight
Rain Showers
52°11°
40%
Wednesday
Thunderstorms
78°/ 48° 26°/
50%
Thursday
Cloudy
78°/ 52° 26°/ 11°
0%
Friday
Rain Showers
70°/ 52° 21°/ 11°
40%
Saturday
Cloudy
78°/ 50° 26°/ 10°
0%
Sunday
Cloudy
72°/ 52° 22°/ 11°
40%
Monday
Rain Showers
68°/ 45° 20°/
30%
Tuesday
Rain Showers
65°18°
30%

Night: Cloudy. Patchy fog. A chance of showers after midnight. Breezy with lows in the lower 50s. Southeast winds 15 to 25 mph. Gusts up to 40 mph this evening. Chance of rain 40 percent.

Isabel, SD

Tonight
Rain Showers
52°11°
20%
Wednesday
Thunderstorms
72°/ 52° 22°/ 11°
50%
Thursday
Partly Cloudy
75°/ 55° 24°/ 13°
20%
Friday
Rain Showers
68°/ 55° 20°/ 13°
50%
Saturday
Partly Cloudy
75°/ 52° 24°/ 11°
0%
Sunday
Partly Cloudy
72°22°
0%
Sun Night-Mon
Thunderstorms
55°13°
50%
Mon Night-Tue
Rain Showers
50°10°
40%

Night: Mostly cloudy. A slight chance of showers after midnight. Breezy with lows in the lower 50s. Southeast winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 20 percent.

Ellsworth AFB, SD

Tonight
Rain Showers
55°13°
20%
Wednesday
Thunderstorms
82°/ 52° 28°/ 11°
20%
Thursday
Cloudy
78°/ 52° 26°/ 11°
20%
Friday
Rain Showers
75°/ 55° 24°/ 13°
40%
Saturday
Cloudy
78°/ 52° 26°/ 11°
0%
Sunday
Cloudy
75°/ 55° 24°/ 13°
30%
Monday
Rain Showers
72°/ 50° 22°/ 10°
40%
Tuesday
Rain Showers
65°18°
30%

Night: Mostly cloudy. A slight chance of showers after midnight. Lows in the mid 50s. Southeast winds 15 to 20 mph with gusts up to 40 mph. Chance of rain 20 percent.

Lemmon, SD

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

Night: Cloudy. A chance of showers after midnight. Patchy fog after midnight. Lows in the lower 50s. Southeast winds 10 to 20 mph with gusts up to 35 mph. Chance of rain 40 percent.

McIntosh, SD

Tonight
Mostly Cloudy
52°11°
0%
Wednesday
Thunderstorms
70°/ 52° 21°/ 11°
50%
Thursday
Partly Cloudy
75°/ 52° 24°/ 11°
0%
Friday
Rain Showers
68°/ 55° 20°/ 13°
50%
Saturday
Mostly Cloudy
75°/ 52° 24°/ 11°
0%
Sunday
Partly Cloudy
70°21°
0%
Sun Night-Mon
Thunderstorms
52°11°
50%
Mon Night
Rain Showers
48°
40%
Tuesday
Rain Showers
62°17°
30%

Night: Mostly cloudy and breezy. Lows in the lower 50s. Southeast winds 15 to 25 mph with gusts up to 35 mph.

Philip, SD

Tonight
Rain Showers
52°11°
20%
Wednesday
Rain Showers
78°/ 52° 26°/ 11°
40%
Thursday
Cloudy
78°/ 52° 26°/ 11°
40%
Friday
Rain Showers
72°/ 55° 22°/ 13°
50%
Saturday
Cloudy
80°/ 52° 27°/ 11°
0%
Sunday
Cloudy
75°/ 55° 24°/ 13°
40%
Monday
Rain Showers
72°/ 48° 22°/
40%
Tuesday
Rain Showers
65°18°
30%

Night: Mostly cloudy with a 20 percent chance of showers. Lows in the lower 50s. Southeast winds 10 to 20 mph with gusts up to 35 mph.

Box Elder, SD

Tonight
Rain Showers
55°13°
20%
Wednesday
Rain Showers
82°/ 52° 28°/ 11°
20%
Thursday
Cloudy
78°/ 52° 26°/ 11°
40%
Friday
Rain Showers
75°/ 55° 24°/ 13°
40%
Saturday
Cloudy
80°/ 52° 27°/ 11°
0%
Sunday
Cloudy
75°/ 55° 24°/ 13°
30%
Monday
Rain Showers
72°/ 50° 22°/ 10°
40%
Tuesday
Rain Showers
65°18°
30%

Night: Mostly cloudy. A slight chance of showers after midnight. Lows in the mid 50s. Southeast winds 10 to 20 mph with gusts up to 35 mph. Chance of rain 20 percent.

Fort Pierre, SD

Tonight
Rain Showers
52°11°
50%
Wednesday
Thunderstorms
75°/ 55° 24°/ 13°
20%
Thursday
Partly Cloudy
75°/ 55° 24°/ 13°
40%
Friday
Thunderstorms
70°/ 55° 21°/ 13°
50%
Saturday
Partly Cloudy
78°/ 55° 26°/ 13°
0%
Sunday
Partly Cloudy
72°/ 55° 22°/ 13°
40%
Monday
Rain Showers
72°/ 52° 22°/ 11°
50%

Night: Cloudy with a 50 percent chance of showers. Breezy with lows in the lower 50s. Southeast winds 15 to 25 mph with gusts up to 35 mph.

Belle Fourche, SD

Tonight
Thunderstorms
52°11°
40%
Wednesday
Thunderstorms
78°/ 48° 26°/
20%
Thursday
Cloudy
78°/ 52° 26°/ 11°
0%
Friday
Rain Showers
72°/ 55° 22°/ 13°
40%
Saturday
Cloudy
75°/ 50° 24°/ 10°
0%
Sunday
Cloudy
72°/ 52° 22°/ 11°
30%
Monday
Rain Showers
68°/ 48° 20°/
40%
Tuesday
Rain Showers
65°18°
30%

Night: Partly cloudy this evening, then mostly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Breezy with lows in the lower 50s. Southeast winds 15 to 25 mph. Gusts up to 45 mph, decreasing to 35 mph after midnight. Chance of rain 40 percent.

Buffalo, SD

Tonight
Thunderstorms
52°11°
40%
Wednesday
Thunderstorms
75°/ 48° 24°/
50%
Thursday
Cloudy
78°/ 52° 26°/ 11°
0%
Friday
Rain Showers
72°/ 52° 22°/ 11°
30%
Saturday
Cloudy
75°/ 48° 24°/
0%
Sunday
Cloudy
72°/ 48° 22°/
40%
Monday
Rain Showers
68°/ 45° 20°/
30%
Tuesday
Rain Showers
65°18°
20%

Night: Cloudy. Patchy fog. A chance of showers with a slight chance of thunderstorms after midnight. Breezy with lows in the lower 50s. Southeast winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 40 percent.

Hettinger, ND

Tonight
Rain Showers
48°
30%
Wednesday
Thunderstorms
72°/ 45° 22°/
60%
Thursday
Sunny
75°/ 48° 24°/
0%
Friday
Rain Showers
68°/ 52° 20°/ 11°
30%
Saturday
Partly Cloudy
72°/ 45° 22°/
0%
Sunday
Sunny
68°/ 48° 20°/
40%
Monday
Rain Showers
65°/ 42° 18°/
30%
Tuesday
Rain Showers
62°17°
30%

Night: Cloudy. A chance of showers after midnight. Lows in the upper 40s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 30 percent.

Kadoka, SD

Tonight
Rain Showers
55°13°
20%
Wednesday
Rain Showers
80°/ 55° 27°/ 13°
20%
Thursday
Cloudy
75°/ 52° 24°/ 11°
40%
Friday
Rain Showers
72°/ 55° 22°/ 13°
50%
Saturday
Cloudy
80°/ 52° 27°/ 11°
0%
Sunday
Cloudy
75°/ 55° 24°/ 13°
30%
Monday
Rain Showers
72°/ 50° 22°/ 10°
40%
Tuesday
Rain Showers
65°18°
30%

Night: Mostly cloudy. A slight chance of showers this evening. Lows in the mid 50s. Southeast winds 10 to 20 mph with gusts up to 35 mph. Chance of rain 20 percent.

Sturgis, SD

Tonight
Thunderstorms
55°13°
30%
Wednesday
Thunderstorms
78°/ 55° 26°/ 13°
20%
Thursday
Cloudy
75°/ 55° 24°/ 13°
20%
Friday
Rain Showers
72°/ 58° 22°/ 14°
40%
Saturday
Sunny
78°/ 52° 26°/ 11°
0%
Sunday
Cloudy
72°/ 55° 22°/ 13°
30%
Monday
Rain Showers
70°/ 50° 21°/ 10°
40%
Tuesday
Rain Showers
65°18°
30%

Night: Partly cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 50s. Southeast winds 10 to 20 mph. Gusts up to 40 mph, decreasing to 30 mph after midnight. Chance of rain 30 percent.

Murdo, SD

Tonight
Rain Showers
52°11°
50%
Wednesday
Mostly Cloudy
75°/ 55° 24°/ 13°
20%
Thursday
Partly Cloudy
75°/ 55° 24°/ 13°
50%
Friday
Thunderstorms
72°/ 55° 22°/ 13°
50%
Saturday
Partly Cloudy
78°/ 55° 26°/ 13°
0%
Sunday
Partly Cloudy
75°/ 55° 24°/ 13°
40%
Mon-Mon Night
Rain Showers
72°22°
40%
Tuesday
Rain Showers
65°18°
40%

Night: Cloudy with a 50 percent chance of showers. Breezy with lows in the lower 50s. Southeast winds 15 to 25 mph. Gusts up to 40 mph after midnight.

Pierre, SD

Tonight
Rain Showers
52°11°
50%
Wednesday
Rain Showers
68°/ 55° 20°/ 13°
40%
Thursday
Partly Cloudy
72°/ 55° 22°/ 13°
50%
Friday
Thunderstorms
68°/ 58° 20°/ 14°
70%
Saturday
Partly Cloudy
78°/ 55° 26°/ 13°
0%
Sunday
Partly Cloudy
72°/ 55° 22°/ 13°
40%
Monday
Rain Showers
72°/ 52° 22°/ 11°
50%
Tuesday
Rain Showers
65°18°
30%

Night: Mostly cloudy. A chance of showers after midnight. Breezy with lows in the lower 50s. Southeast winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 50 percent.

Bowman, ND

Tonight
Rain Showers
48°
30%
Wednesday
Thunderstorms
75°/ 45° 24°/
50%
Thursday
Sunny
78°/ 50° 26°/ 10°
0%
Friday
Rain Showers
72°/ 52° 22°/ 11°
30%
Saturday
Sunny
75°/ 45° 24°/
0%
Sunday
Sunny
70°/ 48° 21°/
30%
Monday
Rain Showers
68°/ 42° 20°/
30%
Tuesday
Rain Showers
65°18°
20%

Night: Cloudy. A chance of showers after midnight. Lows in the upper 40s. Southeast winds 15 to 25 mph. Chance of rain 30 percent.

Onida, SD

Tonight
Rain Showers
52°11°
20%
Wednesday
Thunderstorms
68°/ 55° 20°/ 13°
30%
Thursday
Partly Cloudy
72°/ 52° 22°/ 11°
20%
Friday
Thunderstorms
68°/ 55° 20°/ 13°
60%
Saturday
Mostly Cloudy
75°/ 55° 24°/ 13°
0%
Sunday
Partly Cloudy
72°/ 55° 22°/ 13°
40%
Monday
Thunderstorms
68°/ 50° 20°/ 10°
50%
Tuesday
Rain Showers
65°18°
30%

Night: Mostly cloudy. A slight chance of showers after midnight. Breezy with lows in the lower 50s. Southeast winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 20 percent.

Gettysburg, SD

Tonight
Rain Showers
50°10°
50%
Wednesday
Thunderstorms
65°/ 55° 18°/ 13°
30%
Thursday
Partly Cloudy
72°/ 52° 22°/ 11°
20%
Friday
Rain Showers
65°/ 55° 18°/ 13°
60%
Saturday
Mostly Cloudy
75°/ 52° 24°/ 11°
0%
Sunday
Partly Cloudy
68°/ 55° 20°/ 13°
40%
Monday
Thunderstorms
68°/ 50° 20°/ 10°
50%
Tuesday
Rain Showers
62°17°
30%

Night: Mostly cloudy. A chance of showers after midnight. Lows around 50. Southeast winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 50 percent.

Names listed above may include county names.

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