Cooley Lake, SD Weather Forecast & Current Conditions

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Cooley Lake, SD Weather Maps

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Cooley Lake Weather Map
UTC Time: 9/18/2026, 08:11
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Cooley Lake, SD Regional Weather

Expires:202609180900;;645385
ASUS43 KFSD 180810
RWRSD 

WEATHER ROUNDUP FOR SOUTH DAKOTA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
300 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.



SDZ017-020-022-023-036>040-048>070-180900-
SOUTHEAST SOUTH DAKOTA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
SIOUX FALLS    LGT RAIN  62  61  96 E13       30.19F FOG     TC  17   
HURON          RAIN      62  61  96 E10       30.16F FOG     TC  17   
CHAMBERLAIN    HVY RAIN  62  61  99 E7        30.12F TC  17           
MADISON        CLOUDY    61  61 100 E9G16     30.18F TC  16           
MITCHELL       LGT RAIN  62  62 100 SE8       30.16R FOG     TC  17   
YANKTON        CLOUDY   N/A N/A N/A E12G18    30.15R                  
$$
 
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

Cooley Lake, SD

Tonight
Thunderstorms
58°14°
100%
Friday
Thunderstorms
58°/ 58° 14°/ 14°
100%
Saturday
Cloudy
62°/ 52° 17°/ 11°
0%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
50%
Monday
Rain Showers
62°/ 48° 17°/
20%
Tue Night
Mostly Cloudy
48°
0%
Wednesday
Rain Showers
68°/ 55° 20°/ 13°
40%
Thursday
Rain Showers
72°22°
40%

Night: Showers with a slight chance of thunderstorms. Patchy fog. Near steady temperature in the upper 50s. Southeast winds 10 to 15 mph with gusts up to 30 mph. Chance of rain near 100 percent.

Clark, SD

Tonight
Thunderstorms
60°16°
100%
Friday
Thunderstorms
62°/ 55° 17°/ 13°
100%
Saturday
Cloudy
65°/ 52° 18°/ 11°
0%
Sunday
Rain Showers
65°18°
20%
Sun Night-Mon
Rain Showers
52°11°
50%
Mon Night
Mostly Cloudy
50°10°
0%
Tue Night
Mostly Cloudy
50°10°
0%
Wednesday
Rain Showers
65°/ 55° 18°/ 13°
40%
Thursday
Rain Showers
72°22°
20%

Night: Showers with a chance of thunderstorms. Patchy fog. Locally heavy rainfall possible. Breezy. Near steady temperature around 60. East winds 20 to 25 mph with gusts up to 40 mph. Chance of rain near 100 percent.

Hayti, SD

Tonight
Thunderstorms
60°16°
100%
Friday
Thunderstorms
62°/ 55° 17°/ 13°
100%
Saturday
Cloudy
62°/ 52° 17°/ 11°
0%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
50%
Monday
Rain Showers
60°/ 48° 16°/
50%
Tue Night
Mostly Cloudy
48°
0%
Wednesday
Rain Showers
65°/ 55° 18°/ 13°
40%
Thursday
Rain Showers
72°22°
20%

Night: Showers with a chance of thunderstorms. Patchy fog. Locally heavy rainfall possible. Near steady temperature around 60. East winds 15 to 20 mph with gusts up to 30 mph. Chance of rain near 100 percent.

Webster, SD

Tonight
Thunderstorms
58°14°
90%
Friday
Thunderstorms
58°/ 52° 14°/ 11°
100%
Saturday
Cloudy
62°/ 52° 17°/ 11°
0%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
50%
Monday
Rain Showers
62°/ 50° 17°/ 10°
20%
Tue Night
Mostly Cloudy
50°10°
0%
Wednesday
Rain Showers
65°/ 55° 18°/ 13°
40%
Thursday
Partly Cloudy
72°22°
0%

Night: Showers with a slight chance of thunderstorms. Near steady temperature in the upper 50s. Southeast winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 90 percent.

Milbank, SD

Tonight
Thunderstorms
58°14°
90%
Friday
Thunderstorms
58°/ 58° 14°/ 14°
100%
Saturday
Cloudy
62°/ 52° 17°/ 11°
0%
Sunday
Mostly Cloudy
65°/ 52° 18°/ 11°
40%
Monday
Rain Showers
62°/ 48° 17°/
20%
Tue Night
Mostly Cloudy
48°
0%
Wednesday
Rain Showers
65°/ 55° 18°/ 13°
40%
Thursday
Rain Showers
72°22°
40%

Night: Showers with a slight chance of thunderstorms. Near steady temperature in the upper 50s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.

Sisseton, SD

Tonight
Rain Showers
60°16°
50%
Friday
Thunderstorms
58°/ 58° 14°/ 14°
100%
Saturday
Cloudy
65°/ 52° 18°/ 11°
0%
Sunday
Mostly Cloudy
68°/ 52° 20°/ 11°
40%
Monday
Rain Showers
62°/ 48° 17°/
20%
Tue Night
Mostly Cloudy
48°
0%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
40%
Thursday
Rain Showers
72°22°
20%

Night: Cloudy with a 50 percent chance of showers. Near steady temperature around 60. Southeast winds 10 to 15 mph with gusts up to 25 mph.

Clear Lake, SD

Tonight
Thunderstorms
58°14°
100%
Friday
Thunderstorms
58°/ 58° 14°/ 14°
100%
Saturday
Cloudy
62°/ 52° 17°/ 11°
0%
Sunday
Rain Showers
65°18°
20%
Sun Night-Mon
Rain Showers
52°11°
50%
Mon Night
Mostly Cloudy
48°
0%
Tue Night
Mostly Cloudy
48°
0%
Wednesday
Rain Showers
65°/ 55° 18°/ 13°
40%

Night: Showers with a slight chance of thunderstorms. Patchy fog. Near steady temperature in the upper 50s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.

Redfield, SD

Tonight
Thunderstorms
62°17°
100%
Friday
Thunderstorms
65°/ 55° 18°/ 13°
100%
Saturday
Cloudy
65°/ 52° 18°/ 11°
0%
Sunday
Rain Showers
68°20°
40%
Sun Night-Mon
Rain Showers
52°11°
50%
Mon Night-Tue
Mostly Cloudy
48°
0%
Tue Night
Rain Showers
52°11°
20%
Wednesday
Rain Showers
68°/ 55° 20°/ 13°
40%
Thursday
Partly Cloudy
75°24°
0%

Night: Showers with a chance of thunderstorms. Patchy fog. Locally heavy rainfall possible. Near steady temperature in the lower 60s. East winds 10 to 15 mph with gusts up to 30 mph. Chance of rain near 100 percent.

De Smet, SD

Tonight
Thunderstorms
60°16°
100%
Friday
Thunderstorms
65°/ 55° 18°/ 13°
100%
Saturday
Cloudy
65°/ 52° 18°/ 11°
0%
Sunday
Rain Showers
65°/ 50° 18°/ 10°
60%
Monday
Rain Showers
58°/ 45° 14°/
50%
Tuesday
Sunny
65°/ 48° 18°/
0%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
30%
Thursday
Sunny
70°21°
0%

Night: Showers with a chance of thunderstorms. Patchy fog. Locally heavy rainfall possible. Near steady temperature around 60. East winds 15 to 20 mph with gusts up to 30 mph. Chance of rain near 100 percent.

Aberdeen, SD

Tonight
Thunderstorms
62°17°
70%
Friday
Rain Showers
62°/ 52° 17°/ 11°
100%
Saturday
Cloudy
65°/ 52° 18°/ 11°
0%
Sunday
Rain Showers
68°/ 52° 20°/ 11°
50%
Monday
Rain Showers
65°/ 48° 18°/
20%
Tue Night
Rain Showers
52°11°
20%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
40%
Thursday
Partly Cloudy
75°24°
0%

Night: Showers likely with a slight chance of thunderstorms. Near steady temperature in the lower 60s. Southeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70 percent.

Brookings, SD

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

Night: Showers with a chance of thunderstorms. Patchy fog. Locally heavy rainfall possible. Near steady temperature in the upper 50s. East winds 15 to 20 mph with gusts up to 30 mph. Chance of rain near 100 percent.

Britton, SD

Tonight
Rain Showers
60°16°
70%
Friday
Rain Showers
58°/ 52° 14°/ 11°
90%
Saturday
Cloudy
65°/ 52° 18°/ 11°
0%
Sunday
Mostly Cloudy
65°/ 52° 18°/ 11°
20%
Monday
Cloudy
65°/ 48° 18°/
0%
Tue-Tue Night
Mostly Cloudy
65°18°
0%
Wednesday
Rain Showers
65°/ 55° 18°/ 13°
40%
Thursday
Partly Cloudy
72°22°
0%

Night: Showers likely. Near steady temperature around 60. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.

Madison, MN

Tonight
Rain
58°14°
50%
Friday
Thunderstorms
60°/ 60° 16°/ 16°
100%
Saturday
Cloudy
65°/ 52° 18°/ 11°
0%
Sunday
Mostly Cloudy
68°/ 48° 20°/
40%
Monday
Rain Showers
62°/ 45° 17°/
40%
Tuesday
Sunny
65°/ 45° 18°/
0%
Wednesday
Partly Cloudy
65°/ 48° 18°/
0%
Thursday
Sunny
72°22°
0%

Night: Cloudy with a 50 percent chance of rain. Near steady temperature in the upper 50s. Southeast winds 5 to 10 mph.

Wheaton, MN

Tonight
Rain Showers
60°16°
50%
Friday
Rain Showers
60°/ 52° 16°/ 11°
100%
Saturday
Cloudy
65°/ 52° 18°/ 11°
0%
Sunday
Mostly Cloudy
68°/ 50° 20°/ 10°
20%
Monday
Cloudy
62°/ 48° 17°/
0%
Tue-Tue Night
Mostly Cloudy
65°18°
0%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
40%
Thursday
Rain Showers
72°22°
20%

Night: Cloudy with a 50 percent chance of showers. Near steady temperature around 60. Southeast winds 5 to 10 mph with gusts up to 20 mph.

Ortonville, MN

Tonight
Rain Showers
60°16°
70%
Friday
Thunderstorms
58°/ 52° 14°/ 11°
100%
Saturday
Cloudy
65°/ 52° 18°/ 11°
0%
Sunday
Mostly Cloudy
68°/ 52° 20°/ 11°
30%
Monday
Rain Showers
62°/ 48° 17°/
20%
Tue Night
Mostly Cloudy
48°
0%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
40%
Thursday
Rain Showers
70°21°
40%

Night: Showers likely. Near steady temperature around 60. Southeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70 percent.

Huron, SD

Tonight
Thunderstorms
62°17°
100%
Friday
Thunderstorms
68°/ 55° 20°/ 13°
100%
Saturday
Cloudy
65°/ 52° 18°/ 11°
20%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
70%
Monday
Rain Showers
62°/ 45° 17°/
40%
Tuesday
Partly Cloudy
65°/ 48° 18°/
0%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
40%
Thursday
Sunny
72°22°
0%

Night: Showers with a chance of thunderstorms. Patchy fog. Locally heavy rainfall possible. Near steady temperature in the lower 60s. East winds 15 to 20 mph with gusts up to 30 mph. Chance of rain near 100 percent.

Granite Falls, MN

Tonight
Thunderstorms
58°14°
90%
Friday
Thunderstorms
62°/ 60° 17°/ 16°
100%
Saturday
Cloudy
62°/ 52° 17°/ 11°
0%
Sunday
Mostly Cloudy
68°/ 50° 20°/ 10°
50%
Monday
Rain Showers
62°/ 45° 17°/
50%
Tuesday
Sunny
65°/ 45° 18°/
0%
Wednesday
Partly Cloudy
65°/ 48° 18°/
0%
Thursday
Sunny
70°21°
0%

Night: Cloudy. Chance of rain after midnight, then rain showers and slight chance of thunderstorms early in the morning. Near steady temperature in the upper 50s. East winds 5 to 10 mph. Chance of precipitation 90 percent.

Tyler, MN

Tonight
Thunderstorms
58°14°
100%
Friday
Thunderstorms
62°/ 55° 17°/ 13°
100%
Saturday
Rain Showers
62°/ 52° 17°/ 11°
30%
Sunday
Rain Showers
65°/ 50° 18°/ 10°
50%
Monday
Rain Showers
58°/ 45° 14°/
50%
Tuesday
Sunny
62°/ 45° 17°/
0%
Wednesday
Partly Cloudy
65°/ 50° 18°/ 10°
0%
Thursday
Sunny
68°20°
0%

Night: Showers with a chance of thunderstorms. Patchy fog. Near steady temperature in the upper 50s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.

Madison, SD

Tonight
Thunderstorms
58°14°
100%
Friday
Thunderstorms
68°/ 55° 20°/ 13°
100%
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%

Night: Showers with a chance of thunderstorms. Patchy fog. Locally heavy rainfall possible. Near steady temperature in the upper 50s. East winds 15 to 20 mph with gusts up to 30 mph. Chance of rain near 100 percent.

Howard, SD

Tonight
Thunderstorms
60°16°
100%
Friday
Thunderstorms
72°/ 58° 22°/ 14°
100%
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%

Night: Showers with a chance of thunderstorms. Patchy fog. Locally heavy rainfall possible. Near steady temperature around 60. East winds 15 to 20 mph with gusts up to 30 mph. Chance of rain near 100 percent.

Names listed above may include county names.

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