Hayti, SD Weather Forecast & Current Conditions

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Hayti Weather Map
UTC Time: 9/21/2026, 07:02
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Hayti, SD Regional Weather

Expires:202609210800;;805502
ASUS43 KFSD 210702
RWRSD 

WEATHER ROUNDUP FOR SOUTH DAKOTA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
200 AM CDT MON SEP 21 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>070-210800-
SOUTHEAST SOUTH DAKOTA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
SIOUX FALLS    LGT RAIN  55  54  96 E12       30.15S TC  13           
HURON          LGT RAIN  55  54  96 E10       30.17S TC  13           
CHAMBERLAIN    DRIZZLE   56  56 100 E6        30.17S TC  13           
MADISON        LGT RAIN  54  54 100 NE10      30.17S TC  12           
MITCHELL       LGT RAIN  56  55  97 E10       30.15F TC  13           
YANKTON        LGT RAIN  57  57 100 NE8       30.12S TC  14           
$$
 
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

Hayti, SD

Tonight
Rain Showers
55°13°
90%
Monday
Rain Showers
55°/ 45° 13°/
70%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wednesday
Rain Showers
65°/ 50° 18°/ 10°
70%
Thursday
Rain Showers
68°/ 52° 20°/ 11°
30%
Fri Night
Rain Showers
55°13°
40%
Saturday
Rain Showers
70°/ 55° 21°/ 13°
30%
Sunday
Rain Showers
70°21°
20%

Night: Showers. Near steady temperature in the mid 50s. East winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 90 percent.

Watertown, SD

Tonight
Rain Showers
48°
70%
Monday
Rain Showers
58°/ 45° 14°/
70%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wednesday
Rain Showers
65°/ 52° 18°/ 11°
70%
Thu-Thu Night
Rain Showers
68°20°
20%
Friday
Rain Showers
68°/ 55° 20°/ 13°
40%
Saturday
Rain Showers
70°/ 55° 21°/ 13°
30%
Sunday
Rain Showers
70°21°
20%

Night: Showers likely. Lows in the upper 40s. East winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 70 percent.

De Smet, SD

Overnight
Rain Showers
55°13°
100%
Monday
Rain Showers
55°/ 48° 13°/
70%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wednesday
Rain Showers
65°/ 48° 18°/
60%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
30%
Friday
Rain Showers
68°/ 55° 20°/ 13°
30%
Saturday
Mostly Cloudy
70°/ 55° 21°/ 13°
0%
Sunday
Partly Cloudy
70°21°
0%

Night: Showers. Near steady temperature in the mid 50s. East winds 10 to 15 mph. Chance of rain near 100 percent.

Clark, SD

Tonight
Rain Showers
55°13°
90%
Monday
Rain Showers
58°/ 45° 14°/
60%
Tuesday
Partly Cloudy
62°/ 48° 17°/
0%
Wednesday
Rain Showers
65°/ 52° 18°/ 11°
70%
Thursday
Mostly Cloudy
68°/ 55° 20°/ 13°
20%
Fri Night
Rain Showers
55°13°
40%
Saturday
Rain Showers
70°/ 55° 21°/ 13°
30%
Sunday
Rain Showers
70°21°
20%

Night: Showers. Near steady temperature in the mid 50s. East winds 10 to 15 mph. Chance of rain 90 percent.

Brookings, SD

Overnight
Rain Showers
52°11°
90%
Monday
Rain Showers
52°/ 50° 11°/ 10°
70%
Tuesday
Sunny
62°/ 42° 17°/
0%
Wednesday
Partly Cloudy
65°/ 48° 18°/
60%
Thursday
Rain Showers
65°/ 52° 18°/ 11°
30%
Friday
Rain Showers
68°/ 55° 20°/ 13°
30%
Saturday
Rain Showers
68°/ 55° 20°/ 13°
30%
Sunday
Partly Cloudy
70°21°
0%

Night: Showers. Near steady temperature in the lower 50s. East winds 10 to 15 mph. Chance of rain 90 percent.

Clear Lake, SD

Tonight
Rain Showers
48°
70%
Monday
Rain Showers
52°/ 45° 11°/
70%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wednesday
Partly Cloudy
65°/ 52° 18°/ 11°
70%
Thursday
Rain Showers
68°/ 52° 20°/ 11°
30%
Fri Night
Rain Showers
55°13°
50%
Saturday
Rain Showers
68°/ 55° 20°/ 13°
30%
Sunday
Rain Showers
70°21°
20%

Night: Showers likely. Lows in the upper 40s. East winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 70 percent.

Milbank, SD

Tonight
Rain Showers
48°
50%
Monday
Rain Showers
58°/ 45° 14°/
50%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wednesday
Partly Cloudy
68°/ 52° 20°/ 11°
80%
Thu-Thu Night
Rain Showers
68°20°
20%
Friday
Rain Showers
68°/ 55° 20°/ 13°
40%
Saturday
Rain Showers
70°/ 55° 21°/ 13°
30%
Sunday
Rain Showers
70°21°
20%

Night: Cloudy with a 50 percent chance of showers. Patchy fog. Lows in the upper 40s. East winds 5 to 10 mph with gusts up to 20 mph.

Madison, SD

Overnight
Rain Showers
55°13°
100%
Monday
Rain Showers
55°/ 52° 13°/ 11°
90%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wednesday
Partly Cloudy
65°/ 48° 18°/
60%
Thursday
Rain Showers
65°/ 52° 18°/ 11°
40%
Friday
Rain Showers
68°/ 55° 20°/ 13°
40%
Saturday
Rain Showers
70°/ 55° 21°/ 13°
30%
Sunday
Partly Cloudy
72°22°
0%

Night: Showers. Near steady temperature in the mid 50s. East winds 10 to 15 mph. Chance of rain near 100 percent.

Redfield, SD

Tonight
Rain Showers
55°13°
90%
Monday
Rain Showers
60°/ 45° 16°/
50%
Tuesday
Partly Cloudy
65°/ 48° 18°/
0%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
70%
Thu-Thu Night
Mostly Cloudy
72°22°
0%
Friday
Rain Showers
72°/ 55° 22°/ 13°
40%
Saturday
Rain Showers
72°22°
20%
Sunday
Rain Showers
72°22°
20%

Night: Showers. Near steady temperature in the mid 50s. East winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 90 percent.

Tyler, MN

Overnight
Rain Showers
52°11°
90%
Monday
Rain Showers
52°/ 48° 11°/
70%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wednesday
Sunny
65°/ 48° 18°/
60%
Thursday
Rain Showers
65°/ 52° 18°/ 11°
30%
Friday
Rain Showers
68°/ 55° 20°/ 13°
30%
Saturday
Rain Showers
68°/ 55° 20°/ 13°
30%
Sunday
Partly Cloudy
70°21°
0%

Night: Showers. Near steady temperature in the lower 50s. Northeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 90 percent.

Huron, SD

Overnight
Rain Showers
55°13°
100%
Monday
Rain Showers
58°/ 48° 14°/
70%
Tuesday
Partly Cloudy
65°/ 48° 18°/
0%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
60%
Thursday
Mostly Cloudy
70°/ 52° 21°/ 11°
30%
Friday
Rain Showers
72°/ 55° 22°/ 13°
30%
Saturday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Sunday
Sunny
72°22°
0%

Night: Showers. Near steady temperature in the mid 50s. East winds 5 to 10 mph with gusts up to 20 mph. Chance of rain near 100 percent.

Howard, SD

Overnight
Rain Showers
55°13°
100%
Monday
Rain Showers
55°/ 48° 13°/
90%
Tuesday
Partly Cloudy
65°/ 45° 18°/
0%
Wednesday
Rain Showers
68°/ 50° 20°/ 10°
50%
Thursday
Rain Showers
68°/ 52° 20°/ 11°
50%
Friday
Rain Showers
70°/ 55° 21°/ 13°
40%
Saturday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Sunday
Partly Cloudy
72°22°
0%

Night: Showers. Near steady temperature in the mid 50s. East winds 10 to 15 mph. Chance of rain near 100 percent.

Webster, SD

Tonight
Rain Showers
52°11°
50%
Monday
Rain Showers
58°/ 45° 14°/
50%
Tuesday
Partly Cloudy
62°/ 48° 17°/
0%
Wednesday
Rain Showers
65°/ 52° 18°/ 11°
80%
Thu-Thu Night
Mostly Cloudy
68°20°
0%
Friday
Rain Showers
68°/ 55° 20°/ 13°
40%
Saturday
Rain Showers
68°/ 55° 20°/ 13°
30%
Sunday
Rain Showers
68°20°
20%

Night: Cloudy with a 50 percent chance of showers. Near steady temperature in the lower 50s. East winds 5 to 10 mph with gusts up to 20 mph.

Sisseton, SD

Tonight
Rain Showers
48°
50%
Monday
Rain Showers
60°/ 42° 16°/
20%
Tuesday
Partly Cloudy
65°/ 45° 18°/
0%
Wednesday
Partly Cloudy
68°/ 52° 20°/ 11°
80%
Thursday
Rain Showers
72°22°
20%
Friday
Rain Showers
72°/ 55° 22°/ 13°
40%
Saturday
Rain Showers
72°/ 52° 22°/ 11°
30%
Sunday
Rain Showers
70°21°
20%

Night: Cloudy with a 50 percent chance of showers. Patchy fog. Lows in the upper 40s. East winds 5 to 10 mph with gusts up to 25 mph.

Madison, MN

Tonight
Rain
48°
70%
Monday
Rain
58°/ 45° 14°/
50%
Tuesday
Partly Cloudy
62°/ 42° 17°/
0%
Wednesday
Sunny
68°/ 48° 20°/
70%
Thursday
Rain Showers
68°/ 52° 20°/ 11°
30%
Friday
Rain Showers
72°/ 55° 22°/ 13°
30%
Saturday
Rain Showers
72°/ 55° 22°/ 13°
30%
Sunday
Partly Cloudy
72°22°
0%

Night: Cloudy. Slight chance of rain late in the evening, then chance of rain after midnight. Rain likely early in the morning. Lows in the upper 40s. Northeast winds up to 5 mph. Chance of rain 70 percent.

Granite Falls, MN

Tonight
Rain
48°
70%
Monday
Rain
55°/ 45° 13°/
50%
Tuesday
Sunny
62°/ 42° 17°/
0%
Wednesday
Sunny
68°/ 48° 20°/
70%
Thursday
Rain Showers
68°/ 52° 20°/ 11°
50%
Friday
Rain Showers
70°/ 55° 21°/ 13°
30%
Saturday
Rain Showers
72°/ 55° 22°/ 13°
30%
Sunday
Partly Cloudy
72°22°
0%

Night: Chance of rain in the late evening and early morning, then rain likely early in the morning. Lows in the upper 40s. Northeast winds 5 to 10 mph. Chance of rain 70 percent.

Flandreau, SD

Overnight
Rain Showers
55°13°
100%
Monday
Rain Showers
55°/ 52° 13°/ 11°
80%
Tuesday
Sunny
62°/ 42° 17°/
0%
Wednesday
Partly Cloudy
65°/ 48° 18°/
60%
Thursday
Rain Showers
65°/ 52° 18°/ 11°
40%
Friday
Rain Showers
68°/ 55° 20°/ 13°
40%
Saturday
Rain Showers
68°/ 55° 20°/ 13°
30%
Sunday
Mostly Cloudy
70°21°
0%

Night: Showers. Near steady temperature in the mid 50s. East winds around 10 mph with gusts up to 20 mph. Chance of rain near 100 percent.

Marshall, MN

Overnight
Rain Showers
55°13°
80%
Monday
Rain Showers
52°/ 48° 11°/
50%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wednesday
Sunny
68°/ 50° 20°/ 10°
60%
Thursday
Rain Showers
68°/ 52° 20°/ 11°
50%
Friday
Rain Showers
68°/ 55° 20°/ 13°
30%
Saturday
Rain Showers
72°/ 55° 22°/ 13°
30%
Sunday
Partly Cloudy
72°22°
0%

Night: Showers. Near steady temperature in the mid 50s. Northeast winds 5 to 10 mph. Chance of rain 80 percent.

Woonsocket, SD

Overnight
Rain Showers
55°13°
100%
Monday
Rain Showers
58°/ 48° 14°/
90%
Tuesday
Mostly Cloudy
65°/ 48° 18°/
0%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
50%
Thursday
Mostly Cloudy
70°/ 55° 21°/ 13°
30%
Friday
Rain Showers
72°/ 55° 22°/ 13°
40%
Saturday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Sunday
Partly Cloudy
72°22°
0%

Night: Showers. Near steady temperature in the mid 50s. East winds around 10 mph with gusts up to 20 mph. Chance of rain near 100 percent.

Ortonville, MN

Tonight
Rain Showers
48°
50%
Monday
Rain Showers
58°/ 45° 14°/
20%
Tuesday
Partly Cloudy
65°/ 45° 18°/
0%
Wednesday
Partly Cloudy
68°/ 50° 20°/ 10°
80%
Thursday
Rain Showers
68°/ 52° 20°/ 11°
40%
Friday
Rain Showers
70°/ 55° 21°/ 13°
40%
Saturday
Rain Showers
72°/ 55° 22°/ 13°
30%
Sunday
Rain Showers
72°22°
20%

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

Names listed above may include county names.

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