Jefferson, SD Weather Forecast & Current Conditions

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Jefferson Weather Map
UTC Time: 9/15/2026, 20:46
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
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Jefferson, SD Regional Weather

Expires:202609152100;;508855
ASUS43 KFSD 152010
RWRFSD

WEATHER ROUNDUP FOR SE SOUTH DAKOTA/SW MINNESOTA/NW IOWA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
300 PM CDT TUE SEP 15 2026

NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND OR OBSTRUCTIONS TO VISIBILITY.



IAZ001>003-012>014-020>022-031-032-NEZ013-014-SDZ071-152100-
NORTHWEST IOWA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHEROKEE       CLOUDY    68  54  60 NW5       30.16R TC  20           
DENISON        PTSUNNY   66  54  63 N7        30.17S TC  19           
ESTHERVILLE    MOSUNNY   70  49  47 N9        30.14S TC  21           
LE MARS        CLOUDY   N/A N/A N/A NW7       30.15R                  
MAURICE        MOSUNNY   70  50  49 VRB5G14   30.16S TC  21           
SHELDON        SUNNY     70  50  49 NW9       30.14S TC  21           
SIOUX CITY     CLOUDY    68  51  54 N7        30.17R TC  20           
SPENCER        MOSUNNY   71  50  47 N7        30.15R TC  22           
STORM LAKE     CLOUDY    68  52  56 VRB5      30.16S TC  20           
$$
 
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

Jefferson, SD

Tonight
Mostly Cloudy
52°11°
0%
Wednesday
Rain Showers
68°/ 65° 20°/ 18°
30%
Thursday
Thunderstorms
75°/ 65° 24°/ 18°
90%
Friday
Thunderstorms
82°/ 62° 28°/ 17°
50%
Saturday
Mostly Cloudy
72°/ 58° 22°/ 14°
0%
Sunday
Mostly Cloudy
68°/ 55° 20°/ 13°
0%
Monday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%

Night: Mostly cloudy this evening, then becoming partly cloudy. Lows in the lower 50s. Northeast winds around 5 mph.

Sioux City, IA

Tonight
Mostly Cloudy
55°13°
0%
Wednesday
Rain Showers
68°/ 65° 20°/ 18°
40%
Thursday
Thunderstorms
75°/ 65° 24°/ 18°
60%
Friday
Thunderstorms
82°/ 65° 28°/ 18°
50%
Saturday
Mostly Cloudy
72°/ 58° 22°/ 14°
40%
Sunday
Mostly Cloudy
68°/ 55° 20°/ 13°
0%
Monday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%

Night: Mostly cloudy. Lows in the mid 50s. Northeast winds around 5 mph.

Le Mars, IA

Tonight
Mostly Cloudy
52°11°
0%
Wednesday
Rain Showers
68°/ 65° 20°/ 18°
40%
Thursday
Thunderstorms
75°/ 65° 24°/ 18°
70%
Friday
Thunderstorms
82°/ 62° 28°/ 17°
70%
Saturday
Mostly Cloudy
72°/ 58° 22°/ 14°
0%
Sunday
Mostly Cloudy
68°/ 55° 20°/ 13°
0%
Monday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%

Night: Mostly cloudy. Lows in the lower 50s. Northeast winds around 5 mph.

Wakefield, NE

Tonight
Mostly Cloudy
55°13°
0%
Wednesday
Rain Showers
68°/ 65° 20°/ 18°
40%
Thursday
Thunderstorms
75°/ 65° 24°/ 18°
70%
Friday
Thunderstorms
82°/ 62° 28°/ 17°
50%
Saturday
Mostly Cloudy
72°/ 58° 22°/ 14°
0%
Sunday
Mostly Cloudy
68°/ 55° 20°/ 13°
0%
Monday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%

Night: Mostly cloudy. Lows in the mid 50s. Northeast winds around 5 mph.

South Sioux City, NE

Tonight
Mostly Cloudy
55°13°
0%
Wednesday
Rain Showers
68°/ 65° 20°/ 18°
40%
Thursday
Thunderstorms
75°/ 65° 24°/ 18°
60%
Friday
Thunderstorms
82°/ 62° 28°/ 17°
50%
Saturday
Mostly Cloudy
72°/ 58° 22°/ 14°
0%
Sunday
Rain Showers
68°/ 55° 20°/ 13°
30%
Monday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%

Night: Mostly cloudy. Lows in the mid 50s. Northeast winds around 5 mph.

Vermillion, SD

Tonight
Mostly Cloudy
52°11°
0%
Wednesday
Rain Showers
68°/ 65° 20°/ 18°
30%
Thursday
Thunderstorms
75°/ 65° 24°/ 18°
90%
Friday
Thunderstorms
82°/ 62° 28°/ 17°
50%
Saturday
Mostly Cloudy
72°/ 58° 22°/ 14°
0%
Sunday
Cloudy
68°/ 55° 20°/ 13°
0%
Monday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%

Night: Mostly cloudy this evening, then becoming partly cloudy. Lows in the lower 50s. Northeast winds around 5 mph.

Sioux Center, IA

Tonight
Mostly Cloudy
50°10°
0%
Wednesday
Rain Showers
68°/ 60° 20°/ 16°
20%
Thursday
Thunderstorms
75°/ 62° 24°/ 17°
100%
Friday
Thunderstorms
80°/ 62° 27°/ 17°
70%
Saturday
Mostly Cloudy
70°/ 58° 21°/ 14°
0%
Sunday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Monday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%

Night: Mostly cloudy this evening, then becoming partly cloudy. Lows around 50. Northeast winds around 5 mph.

Hartington, NE

Today
Sunny
68°/ 55° 20°/ 13°
0%
Wednesday
Rain Showers
72°/ 62° 22°/ 17°
40%
Thursday
Thunderstorms
75°/ 65° 24°/ 18°
70%
Friday
Thunderstorms
82°/ 62° 28°/ 17°
50%
Saturday
Mostly Cloudy
72°/ 58° 22°/ 14°
20%
Sunday
Rain Showers
68°/ 55° 20°/ 13°
20%

Day: Mostly sunny. Near steady temperature in the upper 60s. North winds 5 to 10 mph.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 50s. Northeast winds around 5 mph, becoming east after midnight.

Pender, NE

Today
Partly Cloudy
68°/ 55° 20°/ 13°
0%
Wednesday
Rain Showers
68°/ 62° 20°/ 17°
50%
Thursday
Thunderstorms
75°/ 65° 24°/ 18°
60%
Friday
Thunderstorms
82°/ 62° 28°/ 17°
50%
Saturday
Mostly Cloudy
72°/ 58° 22°/ 14°
40%
Sunday
Rain Showers
65°/ 55° 18°/ 13°
20%

Day: Partly sunny. Near steady temperature in the upper 60s. North winds 5 to 10 mph.

Night: Mostly cloudy. Lows in the mid 50s. Northeast winds around 5 mph.

Wayne, NE

Today
Partly Cloudy
68°/ 55° 20°/ 13°
0%
Wednesday
Rain Showers
70°/ 62° 21°/ 17°
40%
Thursday
Thunderstorms
75°/ 65° 24°/ 18°
60%
Friday
Thunderstorms
82°/ 62° 28°/ 17°
50%
Saturday
Mostly Cloudy
72°/ 58° 22°/ 14°
20%
Sunday
Rain Showers
68°/ 55° 20°/ 13°
20%

Day: Partly sunny. Near steady temperature in the upper 60s. North winds 5 to 10 mph.

Night: Mostly cloudy. Lows in the mid 50s. Northeast winds around 5 mph.

Canton, SD

Tonight
Cloudy
50°10°
0%
Wednesday
Rain Showers
68°/ 60° 20°/ 16°
20%
Thursday
Rain Showers
75°/ 62° 24°/ 17°
100%
Friday
Thunderstorms
78°/ 62° 26°/ 17°
100%
Saturday
Mostly Cloudy
70°/ 58° 21°/ 14°
0%
Sunday
Cloudy
68°/ 55° 20°/ 13°
0%
Monday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%

Night: Partly cloudy. Lows around 50. Northeast winds around 5 mph.

Yankton, SD

Tonight
Cloudy
52°11°
0%
Wednesday
Rain Showers
68°/ 62° 20°/ 17°
20%
Thursday
Thunderstorms
75°/ 65° 24°/ 18°
90%
Friday
Thunderstorms
80°/ 62° 27°/ 17°
50%
Saturday
Mostly Cloudy
72°/ 58° 22°/ 14°
0%
Sunday
Mostly Cloudy
68°/ 55° 20°/ 13°
0%
Monday
Mostly Cloudy
68°/ 55° 20°/ 13°
0%

Night: Partly cloudy. Lows in the lower 50s. Northeast winds 5 to 10 mph.

Onawa, IA

Today
Rain Showers
68°/ 58° 20°/ 14°
20%
Wednesday
Thunderstorms
68°/ 62° 20°/ 17°
50%
Thursday
Thunderstorms
78°/ 65° 26°/ 18°
50%
Friday
Thunderstorms
82°/ 65° 28°/ 18°
60%
Saturday
Mostly Cloudy
72°/ 60° 22°/ 16°
40%
Sunday
Rain Showers
68°/ 55° 20°/ 13°
20%

Day: Mostly cloudy with a 20 percent chance of showers. Near steady temperature in the upper 60s. North winds 5 to 10 mph.

Night: Mostly cloudy. Lows in the upper 50s. Northeast winds around 5 mph.

Parker, SD

Tonight
Cloudy
52°11°
0%
Wednesday
Rain Showers
68°/ 60° 20°/ 16°
20%
Thursday
Thunderstorms
75°/ 62° 24°/ 17°
100%
Friday
Thunderstorms
78°/ 62° 26°/ 17°
70%
Saturday
Mostly Cloudy
70°/ 58° 21°/ 14°
0%
Sunday
Cloudy
68°/ 55° 20°/ 13°
0%
Monday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%

Night: Mostly clear this evening, then becoming partly cloudy. Lows in the lower 50s. North winds around 5 mph, becoming east after midnight.

West Point, NE

Today
Mostly Cloudy
68°/ 55° 20°/ 13°
0%
Wednesday
Thunderstorms
68°/ 62° 20°/ 17°
50%
Thursday
Thunderstorms
75°/ 65° 24°/ 18°
60%
Friday
Thunderstorms
82°/ 62° 28°/ 17°
50%
Saturday
Rain Showers
72°/ 58° 22°/ 14°
40%
Sunday
Rain Showers
68°/ 55° 20°/ 13°
20%

Day: Mostly cloudy. Near steady temperature in the upper 60s. North winds 5 to 10 mph.

Night: Mostly cloudy. Lows in the mid 50s. Northeast winds around 5 mph.

Cherokee, IA

Tonight
Mostly Cloudy
50°10°
0%
Wednesday
Rain Showers
68°/ 60° 20°/ 16°
30%
Thursday
Thunderstorms
75°/ 62° 24°/ 17°
70%
Friday
Thunderstorms
82°/ 62° 28°/ 17°
70%
Saturday
Mostly Cloudy
72°/ 58° 22°/ 14°
30%
Sunday
Mostly Cloudy
68°/ 55° 20°/ 13°
0%
Monday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%

Night: Mostly cloudy. Lows around 50. Northeast winds around 5 mph.

Tekamah, NE

Today
Rain Showers
68°/ 58° 20°/ 14°
20%
Wednesday
Thunderstorms
68°/ 62° 20°/ 17°
50%
Thursday
Thunderstorms
78°/ 65° 26°/ 18°
50%
Friday
Thunderstorms
82°/ 65° 28°/ 18°
50%
Saturday
Thunderstorms
72°/ 60° 22°/ 16°
40%
Sunday
Rain Showers
68°/ 55° 20°/ 13°
40%

Day: Mostly cloudy with a 20 percent chance of showers. Near steady temperature in the upper 60s. North winds 5 to 10 mph.

Night: Mostly cloudy. A slight chance of showers after midnight. Lows in the upper 50s. Northeast winds around 5 mph. Chance of rain 20 percent.

Sheldon, IA

Tonight
Mostly Cloudy
48°
0%
Wednesday
Rain Showers
68°/ 58° 20°/ 14°
20%
Thursday
Rain Showers
75°/ 62° 24°/ 17°
100%
Friday
Thunderstorms
78°/ 62° 26°/ 17°
100%
Saturday
Mostly Cloudy
70°/ 58° 21°/ 14°
30%
Sunday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Monday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%

Night: Mostly cloudy this evening, then becoming partly cloudy. Lows in the upper 40s. Northeast winds around 5 mph.

Rock Rapids, IA

Tonight
Cloudy
48°
0%
Wednesday
Rain Showers
68°/ 58° 20°/ 14°
20%
Thursday
Rain Showers
75°/ 62° 24°/ 17°
100%
Friday
Thunderstorms
78°/ 60° 26°/ 16°
100%
Saturday
Mostly Cloudy
68°/ 58° 20°/ 14°
0%
Sunday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Monday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%

Night: Partly cloudy. Lows in the upper 40s. North winds around 5 mph, becoming east after midnight.

Stanton, NE

Today
Partly Cloudy
68°/ 55° 20°/ 13°
0%
Wednesday
Rain Showers
68°/ 62° 20°/ 17°
50%
Thursday
Thunderstorms
78°/ 65° 26°/ 18°
60%
Friday
Thunderstorms
82°/ 62° 28°/ 17°
50%
Saturday
Rain Showers
72°/ 58° 22°/ 14°
30%
Sunday
Rain Showers
68°/ 55° 20°/ 13°
20%

Day: Partly sunny. Near steady temperature in the upper 60s. North winds 5 to 10 mph.

Night: Mostly cloudy. Lows in the mid 50s. Northeast winds around 5 mph.

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