Lake Cavour, SD Weather Forecast & Current Conditions

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Lake Cavour, SD Weather Maps

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Lake Cavour Weather Map
UTC Time: 9/27/2026, 11:07
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Lake Cavour, SD Regional Weather

Expires:202609271200;;135017
ASUS43 KFSD 271102
RWRFSD

WEATHER ROUNDUP FOR SE SOUTH DAKOTA/SW MINNESOTA/NW IOWA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
600 AM CDT SUN SEP 27 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>070-271200-
SOUTHEAST SOUTH DAKOTA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BROOKINGS      FOG       64  63  96 E3        30.05R VSB 1/2 TC  18   
CHAMBERLAIN    CLOUDY    62  62 100 CALM      30.05R FOG     TC  17   
HURON          FOG       64  64 100 NW3       30.05R VSB 1   TC  18   
MADISON        FOG       63  63 100 CALM      30.04R VSB 1/4 TC  17   
MITCHELL       FOG       62  62 100 CALM      30.03R VSB 1/4 TC  17   
SIOUX FALLS    CLOUDY    64  64 100 E5        30.04R FOG     TC  18   
WINNER         FOG       59  59 100 E6        30.03R VSB 1/4 TC  15   
YANKTON        CLOUDY    65  65 100 CALM      30.02R TC  18           
$$


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

Lake Cavour, SD

Today
Rain Showers
72°/ 58° 22°/ 14°
20%
Monday
Mostly Cloudy
72°/ 60° 22°/ 16°
80%
Tuesday
Thunderstorms
72°/ 55° 22°/ 13°
70%
Wednesday
Sunny
72°/ 52° 22°/ 11°
0%
Thursday
Sunny
65°/ 48° 18°/ 9°
0%
Friday
Sunny
65°/ 52° 18°/ 11°
0%
Saturday
Partly Cloudy
62°17°
0%

Day: Mostly cloudy. Patchy fog this morning. A slight chance of showers this afternoon. Highs in the lower 70s. Northeast winds 5 to 10 mph. Chance of rain 20 percent.

Night: Mostly cloudy. A slight chance of showers in the evening, then a slight chance of sprinkles after midnight. Lows in the upper 50s. Southeast winds 5 to 10 mph. Chance of rain 20 percent.

De Smet, SD

Today
Sprinkles
72°/ 58° 22°/ 14°
0%
Monday
Cloudy
70°/ 58° 21°/ 14°
70%
Tuesday
Thunderstorms
68°/ 55° 20°/ 13°
70%
Wednesday
Partly Cloudy
72°/ 52° 22°/ 11°
0%
Thursday
Sunny
65°/ 48° 18°/ 9°
0%
Friday
Sunny
62°/ 50° 17°/ 10°
0%
Saturday
Partly Cloudy
62°17°
0%

Day: Areas of fog this morning. Mostly cloudy this morning, then partly sunny with a slight chance of sprinkles this afternoon. Highs in the lower 70s. Northeast winds 5 to 10 mph.

Night: Mostly cloudy with a slight chance of sprinkles. Patchy fog after midnight. Lows in the upper 50s. East winds 5 to 10 mph.

Clark, SD

Today
Mostly Cloudy
72°/ 58° 22°/ 14°
0%
Monday
Mostly Cloudy
70°/ 60° 21°/ 16°
80%
Tuesday
Rain Showers
68°/ 55° 20°/ 13°
70%
Wed-Wed Night
Cloudy
72°22°
0%
Thu-Thu Night
Clear
65°18°
0%
Friday
Partly Cloudy
62°/ 50° 17°/ 10°
0%

Day: Mostly cloudy this morning, then becoming partly sunny. Areas of fog this morning. Highs in the lower 70s. Northeast winds 5 to 10 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 50s. East winds 5 to 10 mph.

Wessington Springs, SD

Today
Rain Showers
72°/ 58° 22°/ 14°
20%
Monday
Mostly Cloudy
72°/ 58° 22°/ 14°
90%
Tuesday
Thunderstorms
70°/ 55° 21°/ 13°
50%
Wednesday
Partly Cloudy
72°/ 52° 22°/ 11°
0%
Thursday
Sunny
65°/ 48° 18°/ 9°
0%
Friday
Sunny
65°/ 52° 18°/ 11°
0%
Saturday
Partly Cloudy
62°17°
0%

Day: Mostly cloudy. Areas of fog this morning. A slight chance of showers this afternoon. Highs in the lower 70s. Northeast winds 5 to 10 mph. Chance of rain 20 percent.

Night: Mostly cloudy. A slight chance of showers in the evening, then a slight chance of sprinkles after midnight. Patchy fog after midnight. Lows in the upper 50s. Southeast winds 5 to 10 mph. Chance of rain 20 percent.

Howard, SD

Today
Sprinkles
72°/ 58° 22°/ 14°
0%
Monday
Mostly Cloudy
72°/ 60° 22°/ 16°
70%
Tuesday
Thunderstorms
70°/ 55° 21°/ 13°
80%
Wednesday
Mostly Cloudy
72°/ 52° 22°/ 11°
0%
Thursday
Sunny
65°/ 48° 18°/ 9°
0%
Friday
Sunny
65°/ 52° 18°/ 11°
0%
Saturday
Partly Cloudy
62°17°
0%

Day: Mostly cloudy. Patchy dense fog this morning. A slight chance of sprinkles this afternoon. Highs in the lower 70s. East winds 5 to 10 mph.

Night: Mostly cloudy. A slight chance of sprinkles in the evening. Lows in the upper 50s. Southeast winds 5 to 10 mph.

Redfield, SD

Today
Mostly Cloudy
72°/ 58° 22°/ 14°
0%
Monday
Mostly Cloudy
72°/ 58° 22°/ 14°
90%
Tuesday
Rain Showers
70°/ 52° 21°/ 11°
50%
Wed-Wed Night
Cloudy
72°22°
0%
Thu-Thu Night
Clear
65°18°
0%
Fri-Fri Night
Cloudy
65°18°
0%
Saturday
Mostly Cloudy
62°17°
0%

Day: Mostly cloudy this morning, then becoming partly sunny. Areas of fog this morning. Highs in the lower 70s. Northeast winds 5 to 10 mph.

Night: Mostly cloudy. Lows in the upper 50s. East winds 5 to 10 mph, becoming southeast after midnight.

Woonsocket, SD

Today
Sprinkles
72°/ 58° 22°/ 14°
20%
Monday
Mostly Cloudy
72°/ 60° 22°/ 16°
70%
Tuesday
Thunderstorms
72°/ 55° 22°/ 13°
70%
Wednesday
Partly Cloudy
72°/ 52° 22°/ 11°
0%
Thursday
Sunny
68°/ 48° 20°/ 9°
0%
Friday
Sunny
65°/ 52° 18°/ 11°
0%
Saturday
Partly Cloudy
65°18°
0%

Day: Mostly cloudy. Patchy dense fog this morning. A slight chance of sprinkles this afternoon. Highs in the lower 70s. Northeast winds 5 to 10 mph.

Night: Mostly cloudy. A slight chance of showers in the evening, then a slight chance of sprinkles after midnight. Lows in the upper 50s. Southeast winds 5 to 10 mph. Chance of rain 20 percent.

Hayti, SD

Today
Mostly Cloudy
72°/ 58° 22°/ 14°
0%
Monday
Cloudy
72°/ 58° 22°/ 14°
70%
Tuesday
Thunderstorms
68°/ 55° 20°/ 13°
70%
Wednesday
Rain Showers
72°/ 52° 22°/ 11°
20%
Thursday
Partly Cloudy
65°/ 48° 18°/ 9°
0%
Friday
Partly Cloudy
62°/ 48° 17°/ 9°
0%

Day: Mostly cloudy this morning, then becoming partly sunny. Areas of fog this morning. Highs in the lower 70s. Northeast winds 5 to 10 mph.

Night: Mostly cloudy. Lows in the upper 50s. East winds 5 to 10 mph.

Miller, SD

Today
Rain Showers
68°/ 55° 20°/ 13°
30%
Monday
Rain Showers
72°/ 58° 22°/ 14°
90%
Tuesday
Rain Showers
70°/ 52° 21°/ 11°
50%
Wed-Wed Night
Cloudy
72°22°
0%
Thu-Thu Night
Clear
65°18°
0%
Fri-Fri Night
Cloudy
65°18°
0%
Saturday
Mostly Cloudy
62°17°
0%

Day: Areas of fog this morning. Mostly cloudy with a slight chance of showers this morning, then partly sunny this afternoon. Highs in the upper 60s. Northeast winds 10 to 15 mph. Chance of rain 20 percent.

Night: Mostly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the mid 50s. East winds 5 to 10 mph, becoming southeast after midnight. Chance of rain 30 percent.

Alexandria, SD

Today
Sprinkles
72°/ 60° 22°/ 16°
0%
Monday
Mostly Cloudy
72°/ 60° 22°/ 16°
70%
Tuesday
Thunderstorms
70°/ 55° 21°/ 13°
80%
Wednesday
Rain Showers
72°/ 55° 22°/ 13°
30%
Thursday
Partly Cloudy
68°/ 48° 20°/ 9°
0%
Friday
Sunny
65°/ 52° 18°/ 11°
0%
Saturday
Partly Cloudy
65°18°
0%

Day: Mostly cloudy. Patchy dense fog this morning. A slight chance of sprinkles this afternoon. Highs in the lower 70s. East winds 5 to 10 mph.

Night: Mostly cloudy. A slight chance of sprinkles in the evening. Lows around 60. Southeast winds 5 to 10 mph.

Mitchell, SD

Today
Sprinkles
72°/ 60° 22°/ 16°
0%
Monday
Sprinkles
72°/ 60° 22°/ 16°
70%
Tuesday
Thunderstorms
72°/ 55° 22°/ 13°
70%
Wednesday
Partly Cloudy
72°/ 55° 22°/ 13°
0%
Thursday
Sunny
65°/ 48° 18°/ 9°
0%
Friday
Sunny
65°/ 52° 18°/ 11°
0%
Saturday
Partly Cloudy
65°18°
0%

Day: Mostly cloudy. Widespread dense fog this morning. A slight chance of sprinkles this afternoon. Highs in the lower 70s. Northeast winds 5 to 10 mph.

Night: Mostly cloudy. A slight chance of sprinkles in the evening. Lows around 60. Southeast winds 5 to 10 mph.

Watertown, SD

Today
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Monday
Cloudy
72°/ 58° 22°/ 14°
70%
Tuesday
Thunderstorms
70°/ 55° 21°/ 13°
70%
Wed-Wed Night
Cloudy
72°22°
0%
Thu-Thu Night
Clear
65°18°
0%
Friday
Partly Cloudy
62°/ 48° 17°/ 9°
0%

Day: Mostly cloudy this morning, then becoming partly sunny. Areas of fog this morning. Highs in the lower 70s. Northeast winds 5 to 10 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the mid 50s. East winds 5 to 10 mph.

Madison, SD

Today
Sprinkles
72°/ 58° 22°/ 14°
0%
Monday
Sprinkles
70°/ 58° 21°/ 14°
70%
Tuesday
Thunderstorms
68°/ 55° 20°/ 13°
90%
Wednesday
Rain Showers
70°/ 52° 21°/ 11°
30%
Thursday
Partly Cloudy
65°/ 48° 18°/ 9°
0%
Friday
Sunny
62°/ 50° 17°/ 10°
0%
Saturday
Partly Cloudy
62°17°
0%

Day: Mostly cloudy. Areas of fog this morning. A slight chance of sprinkles this afternoon. Highs in the lower 70s. East winds 5 to 10 mph.

Night: Mostly cloudy with a slight chance of sprinkles. Patchy fog after midnight. Lows in the upper 50s. East winds 5 to 10 mph.

Brookings, SD

Today
Drizzle
72°/ 58° 22°/ 14°
0%
Monday
Sprinkles
70°/ 58° 21°/ 14°
70%
Tuesday
Thunderstorms
68°/ 55° 20°/ 13°
90%
Wednesday
Mostly Cloudy
70°/ 52° 21°/ 11°
0%
Thursday
Sunny
65°/ 48° 18°/ 9°
0%
Friday
Sunny
62°/ 48° 17°/ 9°
0%
Saturday
Partly Cloudy
62°17°
0%

Day: Mostly cloudy. Widespread fog this morning. Patchy drizzle this morning, then a slight chance of sprinkles this afternoon. Highs in the lower 70s. Northeast winds 5 to 10 mph.

Night: Mostly cloudy with a slight chance of sprinkles. Patchy fog after midnight. Lows in the upper 50s. East winds around 5 mph.

Faulkton, SD

Today
Partly Cloudy
68°/ 55° 20°/ 13°
40%
Monday
Thunderstorms
70°/ 58° 21°/ 14°
90%
Tuesday
Rain Showers
68°/ 52° 20°/ 11°
40%
Wed Night
Cloudy
52°11°
0%
Thu-Thu Night
Clear
65°18°
0%
Fri-Fri Night
Cloudy
62°17°
0%
Saturday
Mostly Cloudy
62°17°
0%

Day: Areas of dense fog this morning. Partly sunny. Highs in the upper 60s. Northeast winds 10 to 15 mph.

Night: Mostly cloudy. A chance of showers after midnight. Lows in the mid 50s. East winds 5 to 10 mph, becoming southeast after midnight. Chance of rain 40 percent.

Salem, SD

Today
Rain Showers
72°/ 58° 22°/ 14°
20%
Monday
Sprinkles
72°/ 60° 22°/ 16°
70%
Tuesday
Thunderstorms
70°/ 55° 21°/ 13°
90%
Wednesday
Rain Showers
72°/ 55° 22°/ 13°
40%
Thursday
Partly Cloudy
65°/ 48° 18°/ 9°
0%
Friday
Sunny
65°/ 52° 18°/ 11°
0%
Saturday
Mostly Cloudy
62°17°
0%

Day: Mostly cloudy. Patchy fog this morning. A slight chance of showers this afternoon. Highs in the lower 70s. East winds 5 to 10 mph. Chance of rain 20 percent.

Night: Mostly cloudy. A slight chance of showers in the evening, then a slight chance of sprinkles after midnight. Lows in the upper 50s. East winds 5 to 10 mph. Chance of rain 20 percent.

Webster, SD

Today
Partly Cloudy
72°/ 55° 22°/ 13°
0%
Monday
Mostly Cloudy
70°/ 58° 21°/ 14°
90%
Tuesday
Rain Showers
68°/ 52° 20°/ 11°
70%
Wed-Wed Night
Cloudy
72°22°
0%
Thu-Thu Night
Clear
65°18°
0%
Fri-Fri Night
Cloudy
62°17°
0%
Saturday
Rain Showers
62°17°
20%

Day: Areas of fog this morning. Partly sunny. Highs in the lower 70s. North winds 5 to 10 mph.

Night: Mostly cloudy. Lows in the mid 50s. East winds 5 to 10 mph.

Plankinton, SD

Today
Sprinkles
72°/ 58° 22°/ 14°
20%
Monday
Mostly Cloudy
72°/ 60° 22°/ 16°
80%
Tuesday
Thunderstorms
70°/ 55° 21°/ 13°
70%
Wednesday
Partly Cloudy
72°/ 52° 22°/ 11°
0%
Thursday
Sunny
65°/ 48° 18°/ 9°
0%
Friday
Sunny
65°/ 52° 18°/ 11°
0%
Saturday
Partly Cloudy
62°17°
0%

Day: Mostly cloudy. Widespread dense fog this morning. A slight chance of sprinkles this afternoon. Highs in the lower 70s. Northeast winds 5 to 10 mph.

Night: Mostly cloudy. A slight chance of showers in the evening, then a slight chance of sprinkles after midnight. Lows in the upper 50s. Southeast winds 5 to 10 mph. Chance of rain 20 percent.

Fort Thompson, SD

Today
Mostly Cloudy
70°/ 58° 21°/ 14°
20%
Monday
Rain Showers
72°/ 58° 22°/ 14°
90%
Tuesday
Rain Showers
72°/ 52° 22°/ 11°
50%
Wed-Wed Night
Cloudy
72°22°
0%
Thursday
Partly Cloudy
65°/ 48° 18°/ 9°
0%
Fri-Fri Night
Cloudy
65°18°
0%
Saturday
Partly Cloudy
62°17°
0%

Day: Mostly cloudy this morning, then becoming partly sunny. Areas of fog this morning. Highs around 70. East winds 5 to 10 mph.

Night: Mostly cloudy with a 20 percent chance of showers. Lows in the upper 50s. Southeast winds 5 to 10 mph.

Aberdeen, SD

Today
Rain Showers
72°/ 52° 22°/ 11°
20%
Monday
Thunderstorms
72°/ 58° 22°/ 14°
90%
Tuesday
Rain Showers
70°/ 50° 21°/ 10°
50%
Wed Night
Cloudy
50°10°
0%
Thu-Thu Night
Clear
65°18°
0%
Friday
Partly Cloudy
65°/ 48° 18°/ 9°
0%

Day: Partly sunny. Patchy fog this morning. A slight chance of showers this afternoon. Highs in the lower 70s. North winds 5 to 10 mph. Chance of rain 20 percent.

Night: Mostly cloudy. A slight chance of showers after midnight. Lows in the lower 50s. East winds 5 to 10 mph. Chance of rain 20 percent.

Names listed above may include county names.

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