Yankton, SD Weather Forecast & Current Conditions

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Yankton Weather Map
UTC Time: 9/18/2026, 09:02
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Yankton, SD Regional Weather

Expires:202609180900;;645395
ASUS43 KFSD 180810
RWRFSD

WEATHER ROUNDUP FOR SE SOUTH DAKOTA/SW MINNESOTA/NW IOWA
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.



SDZ038>040-050-052>070-180900-
SOUTHEAST SOUTH DAKOTA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BROOKINGS      RAIN      61  59  93 E12       30.20F FOG     TC  16   
CHAMBERLAIN    HVY RAIN  62  61  99 E7        30.12F TC  17           
HURON          RAIN      62  61  96 E10       30.16F FOG     TC  17   
MADISON        CLOUDY    61  61 100 E9G16     30.18F TC  16           
MITCHELL       LGT RAIN  62  62 100 SE8       30.16R FOG     TC  17   
SIOUX FALLS    LGT RAIN  62  61  96 E13       30.19F FOG     TC  17   
WINNER         RAIN      65  64  97 SE15G25   30.08F TC  18           
YANKTON        CLOUDY   N/A N/A N/A E12G18    30.15R                  
$$


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

Yankton, SD

Overnight
Thunderstorms
65°18°
100%
Friday
Thunderstorms
82°/ 62° 28°/ 17°
100%
Saturday
Rain Showers
68°/ 58° 20°/ 14°
30%
Sunday
Rain Showers
62°/ 52° 17°/ 11°
80%
Monday
Rain Showers
62°/ 52° 17°/ 11°
70%
Tuesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Wednesday
Rain Showers
68°/ 58° 20°/ 14°
40%
Thursday
Partly Cloudy
72°22°
0%

Night: Showers with a chance of thunderstorms. Patchy fog. Near steady temperature in the mid 60s. East winds 15 to 20 mph. Chance of rain near 100 percent.

Hartington, NE

Tonight
Thunderstorms
65°18°
100%
Friday
Thunderstorms
85°/ 62° 29°/ 17°
100%
Saturday
Rain Showers
68°/ 58° 20°/ 14°
50%
Sunday
Rain Showers
62°/ 55° 17°/ 13°
90%
Monday
Thunderstorms
58°/ 52° 14°/ 11°
70%
Tuesday
Mostly Cloudy
62°/ 52° 17°/ 11°
0%
Wednesday
Rain Showers
65°/ 58° 18°/ 14°
40%
Thursday
Partly Cloudy
72°22°
0%

Night: Showers with a chance of thunderstorms. Near steady temperature in the mid 60s. East winds 15 to 20 mph with gusts up to 30 mph. Chance of rain near 100 percent.

Creighton, NE

Tonight
Thunderstorms
65°18°
70%
Friday
Thunderstorms
85°/ 62° 29°/ 17°
20%
Saturday
Rain Showers
68°/ 58° 20°/ 14°
50%
Sunday
Rain Showers
62°/ 55° 17°/ 13°
90%
Monday
Thunderstorms
60°/ 52° 16°/ 11°
50%
Tuesday
Mostly Cloudy
65°/ 55° 18°/ 13°
0%
Wednesday
Rain Showers
68°/ 58° 20°/ 14°
40%
Thursday
Sunny
72°22°
0%

Night: Showers likely with a chance of thunderstorms. Near steady temperature in the mid 60s. East winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent.

Tyndall, SD

Overnight
Thunderstorms
65°18°
100%
Friday
Thunderstorms
82°/ 62° 28°/ 17°
50%
Saturday
Rain Showers
68°/ 58° 20°/ 14°
40%
Sunday
Rain Showers
62°/ 52° 17°/ 11°
80%
Monday
Rain Showers
62°/ 52° 17°/ 11°
50%
Tuesday
Mostly Cloudy
65°/ 52° 18°/ 11°
30%
Wednesday
Rain Showers
68°/ 58° 20°/ 14°
40%
Thursday
Partly Cloudy
72°22°
0%

Night: Showers with a chance of thunderstorms. Patchy fog. Near steady temperature in the mid 60s. East winds around 10 mph with gusts up to 20 mph, increasing to 15 to 20 mph with gusts up to 30 mph. Chance of rain near 100 percent.

Vermillion, SD

Overnight
Thunderstorms
65°18°
100%
Friday
Thunderstorms
82°/ 62° 28°/ 17°
100%
Saturday
Rain Showers
68°/ 58° 20°/ 14°
30%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
70%
Monday
Rain Showers
62°/ 52° 17°/ 11°
70%
Tuesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Wednesday
Mostly Cloudy
68°/ 55° 20°/ 13°
40%
Thursday
Rain Showers
72°22°
40%

Night: A chance of thunderstorms. Showers. Near steady temperature in the mid 60s. East winds around 10 mph, increasing to 15 to 20 mph. Chance of rain near 100 percent.

Parker, SD

Overnight
Thunderstorms
62°17°
100%
Friday
Thunderstorms
78°/ 62° 26°/ 17°
100%
Saturday
Rain Showers
68°/ 58° 20°/ 14°
20%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
70%
Monday
Rain Showers
62°/ 52° 17°/ 11°
70%
Tuesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Wednesday
Mostly Cloudy
68°/ 55° 20°/ 13°
40%
Thursday
Mostly Cloudy
72°22°
0%

Night: A chance of thunderstorms. Showers. Patchy fog. Near steady temperature in the lower 60s. East winds 15 to 20 mph. Chance of rain near 100 percent.

Wakefield, NE

Overnight
Thunderstorms
65°18°
100%
Friday
Thunderstorms
85°/ 62° 29°/ 17°
50%
Saturday
Rain Showers
70°/ 58° 21°/ 14°
40%
Sunday
Rain Showers
62°/ 52° 17°/ 11°
70%
Monday
Rain Showers
60°/ 52° 16°/ 11°
70%
Tuesday
Mostly Cloudy
62°/ 52° 17°/ 11°
0%
Wednesday
Rain Showers
65°/ 55° 18°/ 13°
40%
Thursday
Rain Showers
70°21°
40%

Night: Showers with a chance of thunderstorms. Near steady temperature in the mid 60s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.

Parkston, SD

Overnight
Thunderstorms
65°18°
100%
Friday
Thunderstorms
78°/ 60° 26°/ 16°
70%
Saturday
Cloudy
68°/ 55° 20°/ 13°
20%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
70%
Monday
Rain Showers
62°/ 50° 17°/ 10°
70%
Tuesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Wednesday
Rain Showers
68°/ 55° 20°/ 13°
40%
Thursday
Partly Cloudy
72°22°
0%

Night: Showers with a chance of thunderstorms. Patchy fog. Near steady temperature in the mid 60s. East winds around 10 mph with gusts up to 20 mph, increasing to 15 to 20 mph with gusts up to 30 mph. Chance of rain near 100 percent.

North Sioux City, SD

Overnight
Thunderstorms
65°18°
100%
Friday
Thunderstorms
82°/ 62° 28°/ 17°
100%
Saturday
Rain Showers
68°/ 58° 20°/ 14°
30%
Sunday
Rain Showers
62°/ 52° 17°/ 11°
70%
Monday
Rain Showers
60°/ 52° 16°/ 11°
70%
Tuesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Wednesday
Rain Showers
65°/ 55° 18°/ 13°
40%
Thursday
Rain Showers
72°22°
40%

Night: A chance of thunderstorms. Showers. Near steady temperature in the mid 60s. East winds 10 to 15 mph. Chance of rain near 100 percent.

Pierce, NE

Tonight
Thunderstorms
65°18°
50%
Friday
Thunderstorms
85°/ 62° 29°/ 17°
70%
Saturday
Rain Showers
70°/ 58° 21°/ 14°
50%
Sunday
Rain Showers
62°/ 55° 17°/ 13°
70%
Monday
Thunderstorms
55°/ 52° 13°/ 11°
70%
Tuesday
Mostly Cloudy
62°/ 52° 17°/ 11°
0%
Wednesday
Rain Showers
65°/ 58° 18°/ 14°
30%
Thursday
Partly Cloudy
72°22°
0%

Night: Cloudy with a chance of showers and thunderstorms. Near steady temperature in the mid 60s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent.

Canton, SD

Overnight
Thunderstorms
62°17°
100%
Friday
Thunderstorms
78°/ 62° 26°/ 17°
100%
Saturday
Rain Showers
68°/ 55° 20°/ 13°
20%
Sunday
Rain Showers
62°/ 52° 17°/ 11°
70%
Monday
Rain Showers
60°/ 52° 16°/ 11°
50%
Tuesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Wednesday
Mostly Cloudy
65°/ 55° 18°/ 13°
40%
Thursday
Rain Showers
70°21°
40%

Night: Showers with a slight chance of thunderstorms late this evening, then showers with a chance of thunderstorms. Patchy fog. Near steady temperature in the lower 60s. East winds 15 to 20 mph. Chance of rain near 100 percent.

Le Mars, IA

Overnight
Thunderstorms
65°18°
100%
Friday
Thunderstorms
82°/ 62° 28°/ 17°
50%
Saturday
Rain Showers
70°/ 58° 21°/ 14°
40%
Sunday
Rain Showers
62°/ 52° 17°/ 11°
70%
Monday
Rain Showers
58°/ 52° 14°/ 11°
70%
Tuesday
Mostly Cloudy
62°/ 52° 17°/ 11°
0%
Wednesday
Rain Showers
65°/ 55° 18°/ 13°
40%
Thursday
Rain Showers
68°20°
40%

Night: A chance of thunderstorms. Showers. Near steady temperature in the mid 60s. East winds 10 to 15 mph. Chance of rain near 100 percent.

Wagner, SD

Overnight
Thunderstorms
65°18°
100%
Friday
Thunderstorms
78°/ 58° 26°/ 14°
50%
Saturday
Cloudy
68°/ 55° 20°/ 13°
40%
Sunday
Rain Showers
62°/ 52° 17°/ 11°
80%
Monday
Rain Showers
62°/ 52° 17°/ 11°
50%
Tuesday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Wednesday
Rain Showers
68°/ 58° 20°/ 14°
40%
Thursday
Partly Cloudy
75°24°
0%

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

Wayne, NE

Tonight
Thunderstorms
65°18°
50%
Friday
Thunderstorms
85°/ 62° 29°/ 17°
70%
Saturday
Rain Showers
70°/ 58° 21°/ 14°
40%
Sunday
Rain Showers
62°/ 55° 17°/ 13°
70%
Monday
Thunderstorms
55°/ 52° 13°/ 11°
70%
Tuesday
Mostly Cloudy
62°/ 52° 17°/ 11°
0%
Wednesday
Rain Showers
62°/ 55° 17°/ 13°
30%
Thursday
Partly Cloudy
68°20°
0%

Night: Cloudy with a chance of showers and thunderstorms. Near steady temperature in the mid 60s. East winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 50 percent.

Sioux Center, IA

Overnight
Thunderstorms
62°17°
100%
Friday
Thunderstorms
78°/ 62° 26°/ 17°
70%
Saturday
Rain Showers
68°/ 55° 20°/ 13°
40%
Sunday
Rain Showers
62°/ 52° 17°/ 11°
70%
Monday
Rain Showers
58°/ 50° 14°/ 10°
70%
Tuesday
Mostly Cloudy
62°/ 50° 17°/ 10°
0%
Wednesday
Mostly Cloudy
65°/ 55° 18°/ 13°
40%
Thursday
Rain Showers
68°20°
40%

Night: Showers with a slight chance of thunderstorms late this evening, then showers with a chance of thunderstorms. Patchy fog. Near steady temperature in the lower 60s. East winds 10 to 15 mph. Chance of rain near 100 percent.

Salem, SD

Overnight
Thunderstorms
62°17°
100%
Friday
Thunderstorms
75°/ 58° 24°/ 14°
100%
Saturday
Cloudy
68°/ 55° 20°/ 13°
0%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
60%
Monday
Rain Showers
62°/ 50° 17°/ 10°
50%
Tuesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Wednesday
Rain Showers
68°/ 55° 20°/ 13°
40%
Thursday
Mostly Cloudy
72°22°
0%

Night: Showers with a slight chance of thunderstorms late this evening, then 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. Chance of rain near 100 percent.

Armour, SD

Overnight
Thunderstorms
62°17°
100%
Friday
Thunderstorms
78°/ 58° 26°/ 14°
50%
Saturday
Cloudy
68°/ 55° 20°/ 13°
30%
Sunday
Rain Showers
62°/ 52° 17°/ 11°
80%
Monday
Rain Showers
62°/ 50° 17°/ 10°
50%
Tuesday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Wednesday
Rain Showers
68°/ 55° 20°/ 13°
40%
Thursday
Partly Cloudy
75°24°
0%

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

Neligh, NE

Tonight
Thunderstorms
65°18°
70%
Friday
Rain Showers
85°/ 62° 29°/ 17°
50%
Saturday
Rain Showers
68°/ 58° 20°/ 14°
40%
Sunday
Rain Showers
62°/ 55° 17°/ 13°
70%
Monday
Thunderstorms
60°/ 52° 16°/ 11°
50%
Tuesday
Mostly Cloudy
62°/ 55° 17°/ 13°
0%
Wednesday
Rain Showers
65°/ 58° 18°/ 14°
30%
Thursday
Sunny
72°22°
0%

Night: Showers likely with a chance of thunderstorms. Near steady temperature in the mid 60s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.

Sioux Falls, SD

Overnight
Thunderstorms
62°17°
100%
Friday
Thunderstorms
72°/ 58° 22°/ 14°
100%
Saturday
Rain Showers
65°/ 55° 18°/ 13°
20%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
70%
Monday
Rain Showers
60°/ 50° 16°/ 10°
50%
Tuesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Wednesday
Rain Showers
65°/ 55° 18°/ 13°
40%
Thursday
Mostly Cloudy
70°21°
0%

Night: Showers with a slight chance of thunderstorms late this evening, then showers with a chance of thunderstorms. Patchy fog. Locally heavy rainfall possible. Near steady temperature in the lower 60s. East winds around 10 mph with gusts up to 20 mph, increasing to 15 to 20 mph with gusts up to 30 mph. Chance of rain near 100 percent.

Alexandria, SD

Overnight
Thunderstorms
62°17°
100%
Friday
Thunderstorms
75°/ 58° 24°/ 14°
90%
Saturday
Cloudy
68°/ 55° 20°/ 13°
20%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
70%
Monday
Rain Showers
62°/ 50° 17°/ 10°
50%
Tuesday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Wednesday
Rain Showers
68°/ 55° 20°/ 13°
30%
Thursday
Mostly Cloudy
72°22°
0%

Night: A chance of thunderstorms. Showers. Patchy fog. Locally heavy rainfall possible. Lows in the lower 60s. East winds around 10 mph with gusts up to 20 mph, increasing to 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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