Twenty, IA Weather Forecast & Current Conditions

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Twenty, IA Weather Maps

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Twenty Weather Map
UTC Time: 9/14/2026, 21:16
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Twenty, IA Regional Weather

Expires:202609142200;;456487
ASUS43 KFSD 142110
RWRFSD

WEATHER ROUNDUP FOR SE SOUTH DAKOTA/SW MINNESOTA/NW IOWA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
400 PM CDT MON SEP 14 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-SDZ071-142200-
NORTHWEST IOWA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHEROKEE       DRIZZLE   63  61  94 SE9       29.79S TC  17           
DENISON        MOSUNNY   72  66  83 S13G22    29.78F TC  22           
ESTHERVILLE    PTSUNNY   59  58  96 SE16G23   29.80F TC  15           
LE MARS        PTSUNNY  N/A N/A N/A SE12      29.75S                  
MAURICE        CLOUDY    64  63  94 SE21G26   29.76S TC  18           
SHELDON        PTSUNNY   63  63 100 SE17      29.75F TC  17           
SIOUX CITY     PTSUNNY   71  64  78 SE13      29.75F TC  22           
SPENCER        LGT RAIN  61  58  90 SE20G29   29.80F TC  16           
STORM LAKE     PTSUNNY   61  59  94 SE12G18   29.80F TC  16           
$$
 
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

Twenty, IA

Tonight
Thunderstorms
58°14°
50%
Tuesday
Rain Showers
72°/ 55° 22°/ 13°
20%
Wednesday
Thunderstorms
72°/ 62° 22°/ 17°
50%
Thursday
Rain Showers
78°/ 65° 26°/ 18°
60%
Friday
Rain Showers
82°/ 65° 28°/ 18°
70%
Saturday
Rain Showers
75°/ 58° 24°/ 14°
40%
Sunday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%

Night: Cloudy with a chance of showers and thunderstorms. Lows in the upper 50s. South winds 10 to 15 mph with gusts up to 25 mph, becoming northwest around 5 mph after midnight. Chance of rain 50 percent.

South Sioux City, NE

Tonight
Thunderstorms
58°14°
50%
Tuesday
Partly Cloudy
72°/ 52° 22°/ 11°
30%
Wednesday
Thunderstorms
72°/ 60° 22°/ 16°
60%
Thursday
Thunderstorms
78°/ 65° 26°/ 18°
50%
Friday
Rain Showers
82°/ 65° 28°/ 18°
70%
Saturday
Rain Showers
75°/ 58° 24°/ 14°
40%
Sunday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%

Night: Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 50s. Southwest winds 10 to 15 mph with gusts up to 25 mph, becoming northwest around 5 mph after midnight. Chance of rain 50 percent.

North Sioux City, SD

Tonight
Thunderstorms
55°13°
40%
Tuesday
Sunny
72°/ 52° 22°/ 11°
20%
Wednesday
Rain Showers
72°/ 60° 22°/ 16°
50%
Thursday
Rain Showers
78°/ 62° 26°/ 17°
70%
Friday
Rain Showers
82°/ 65° 28°/ 18°
70%
Saturday
Rain Showers
75°/ 58° 24°/ 14°
50%
Sunday
Mostly Cloudy
72°/ 52° 22°/ 11°
0%

Night: Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly this evening. Lows in the mid 50s. Southwest winds 5 to 10 mph with gusts up to 20 mph, becoming northwest after midnight. Chance of rain 40 percent.

Pender, NE

Today
Thunderstorms
80°/ 58° 27°/ 14°
70%
Tuesday
Partly Cloudy
72°/ 52° 22°/ 11°
20%
Wednesday
Thunderstorms
70°/ 60° 21°/ 16°
60%
Thursday
Rain Showers
78°/ 65° 26°/ 18°
50%
Friday
Thunderstorms
82°/ 65° 28°/ 18°
70%
Saturday
Rain Showers
75°/ 58° 24°/ 14°
40%

Day: Partly sunny with a chance of showers and thunderstorms. Breezy and much warmer with highs around 80. South winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 50 percent.

Night: Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Humid with lows in the upper 50s. Southwest winds 15 to 20 mph with gusts up to 35 mph, becoming northwest 5 to 10 mph after midnight. Chance of rain 70 percent.

Le Mars, IA

Tonight
Thunderstorms
55°13°
50%
Tuesday
Partly Cloudy
72°/ 52° 22°/ 11°
20%
Wednesday
Thunderstorms
72°/ 60° 22°/ 16°
50%
Thursday
Rain Showers
78°/ 65° 26°/ 18°
70%
Friday
Rain Showers
82°/ 65° 28°/ 18°
70%
Saturday
Rain Showers
75°/ 58° 24°/ 14°
40%
Sunday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%

Night: Cloudy with a chance of showers and thunderstorms. Lows in the mid 50s. South winds 10 to 15 mph with gusts up to 25 mph, becoming northwest around 5 mph after midnight. Chance of rain 50 percent.

Wakefield, NE

Tonight
Thunderstorms
55°13°
50%
Tuesday
Sunny
72°/ 52° 22°/ 11°
20%
Wednesday
Rain Showers
70°/ 60° 21°/ 16°
50%
Thursday
Thunderstorms
78°/ 65° 26°/ 18°
60%
Friday
Rain Showers
82°/ 65° 28°/ 18°
70%
Saturday
Rain Showers
75°/ 58° 24°/ 14°
50%
Sunday
Mostly Cloudy
70°/ 55° 21°/ 13°
0%

Night: Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 50s. Southwest winds 5 to 10 mph with gusts up to 25 mph, becoming northwest after midnight. Chance of rain 50 percent.

Onawa, IA

Today
Thunderstorms
80°/ 62° 27°/ 17°
90%
Tuesday
Rain Showers
72°/ 55° 22°/ 13°
20%
Wednesday
Thunderstorms
72°/ 62° 22°/ 17°
70%
Thursday
Rain Showers
80°/ 65° 27°/ 18°
50%
Friday
Thunderstorms
82°/ 65° 28°/ 18°
70%
Saturday
Thunderstorms
78°/ 58° 26°/ 14°
40%

Day: Partly sunny with a chance of showers and thunderstorms. Much warmer with highs around 80. South winds 15 to 20 mph with gusts up to 40 mph. Chance of rain 50 percent.

Night: A chance of thunderstorms. Showers with lows in the lower 60s. South winds 15 to 20 mph with gusts up to 35 mph, becoming northwest around 5 mph after midnight. Chance of rain 90 percent.

Tekamah, NE

Today
Thunderstorms
82°/ 60° 28°/ 16°
90%
Tuesday
Rain Showers
72°/ 55° 22°/ 13°
50%
Wednesday
Thunderstorms
72°/ 62° 22°/ 17°
70%
Thursday
Rain Showers
78°/ 65° 26°/ 18°
50%
Friday
Thunderstorms
82°/ 65° 28°/ 18°
70%
Saturday
Thunderstorms
78°/ 58° 26°/ 14°
40%

Day: Partly sunny with a chance of showers and thunderstorms. Breezy and much warmer with highs in the lower 80s. South winds 20 to 25 mph with gusts up to 40 mph. Chance of rain 50 percent.

Night: A chance of thunderstorms. Showers with lows around 60. Southwest winds 15 to 20 mph with gusts up to 35 mph, becoming northwest 5 to 10 mph after midnight. Chance of rain 90 percent.

West Point, NE

Today
Thunderstorms
82°/ 58° 28°/ 14°
70%
Tuesday
Partly Cloudy
72°/ 55° 22°/ 13°
40%
Wednesday
Thunderstorms
72°/ 62° 22°/ 17°
70%
Thursday
Rain Showers
78°/ 65° 26°/ 18°
50%
Friday
Thunderstorms
82°/ 65° 28°/ 18°
60%
Saturday
Thunderstorms
75°/ 58° 24°/ 14°
40%

Day: Partly sunny with a chance of showers and thunderstorms. Breezy and much warmer with highs in the lower 80s. South winds 20 to 25 mph with gusts up to 35 mph. Chance of rain 40 percent.

Night: Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Humid with lows in the upper 50s. Southwest winds 15 to 20 mph with gusts up to 30 mph, becoming north 5 to 10 mph after midnight. Chance of rain 70 percent.

Wayne, NE

Today
Thunderstorms
82°/ 58° 28°/ 14°
50%
Tuesday
Partly Cloudy
72°/ 55° 22°/ 13°
20%
Wednesday
Thunderstorms
70°/ 62° 21°/ 17°
50%
Thursday
Thunderstorms
78°/ 65° 26°/ 18°
50%
Friday
Thunderstorms
82°/ 65° 28°/ 18°
60%
Saturday
Rain Showers
75°/ 58° 24°/ 14°
50%

Day: Partly sunny with a chance of showers and thunderstorms. Much warmer with highs in the lower 80s. South winds around 20 mph with gusts up to 35 mph. Chance of rain 30 percent.

Night: Mostly cloudy with a chance of showers and thunderstorms. Humid with lows in the upper 50s. West winds 15 to 20 mph with gusts up to 30 mph, becoming north 5 to 10 mph after midnight. Chance of rain 50 percent.

Vermillion, SD

Tonight
Thunderstorms
55°13°
40%
Tuesday
Sunny
72°/ 52° 22°/ 11°
20%
Wednesday
Rain Showers
72°/ 60° 22°/ 16°
40%
Thursday
Rain Showers
78°/ 65° 26°/ 18°
70%
Friday
Thunderstorms
82°/ 62° 28°/ 17°
70%
Saturday
Rain Showers
75°/ 58° 24°/ 14°
50%
Sunday
Mostly Cloudy
72°/ 52° 22°/ 11°
0%

Night: Mostly cloudy with a slight chance of thunderstorms. A slight chance of showers this evening, then a chance of showers after midnight. Lows in the mid 50s. Northwest winds 5 to 10 mph. Chance of rain 40 percent.

Cherokee, IA

Tonight
Thunderstorms
55°13°
50%
Tuesday
Partly Cloudy
72°/ 52° 22°/ 11°
20%
Wednesday
Thunderstorms
70°/ 58° 21°/ 14°
50%
Thursday
Rain Showers
78°/ 62° 26°/ 17°
70%
Friday
Rain Showers
82°/ 65° 28°/ 18°
70%
Saturday
Rain Showers
75°/ 58° 24°/ 14°
40%
Sunday
Mostly Cloudy
70°/ 52° 21°/ 11°
0%

Night: Cloudy with a chance of showers and thunderstorms. Lows in the mid 50s. South winds 10 to 15 mph with gusts up to 25 mph, becoming northwest around 5 mph after midnight. Chance of rain 50 percent.

Hartington, NE

Today
Thunderstorms
82°/ 55° 28°/ 13°
30%
Tuesday
Sunny
72°/ 55° 22°/ 13°
0%
Wednesday
Rain Showers
72°/ 62° 22°/ 17°
50%
Thursday
Thunderstorms
78°/ 65° 26°/ 18°
70%
Friday
Thunderstorms
82°/ 65° 28°/ 18°
60%
Saturday
Rain Showers
75°/ 58° 24°/ 14°
50%

Day: Partly sunny with a chance of showers and thunderstorms. Breezy and much warmer with highs in the lower 80s. South winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 30 percent.

Night: Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the mid 50s. Northwest winds 10 to 15 mph. Gusts up to 30 mph in the evening. Chance of rain 20 percent.

Sioux Center, IA

Tonight
Thunderstorms
55°13°
40%
Tuesday
Sunny
72°/ 52° 22°/ 11°
0%
Wednesday
Rain Showers
70°/ 58° 21°/ 14°
50%
Thursday
Rain Showers
78°/ 62° 26°/ 17°
80%
Friday
Rain Showers
80°/ 62° 27°/ 17°
70%
Saturday
Rain Showers
75°/ 58° 24°/ 14°
40%
Sunday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%

Night: Mostly cloudy. A chance of showers and thunderstorms, mainly this evening. Lows in the mid 50s. South winds 10 to 15 mph with gusts up to 25 mph, becoming northwest around 5 mph after midnight. Chance of rain 40 percent.

Ida Grove, IA

Tonight
Thunderstorms
58°14°
50%
Tuesday
Rain Showers
72°/ 55° 22°/ 13°
40%
Wednesday
Thunderstorms
72°/ 62° 22°/ 17°
60%
Thursday
Rain Showers
78°/ 65° 26°/ 18°
60%
Friday
Rain Showers
82°/ 65° 28°/ 18°
70%
Saturday
Rain Showers
78°/ 58° 26°/ 14°
40%
Sunday
Mostly Cloudy
70°/ 55° 21°/ 13°
0%

Night: Cloudy with a chance of thunderstorms. A chance of showers. Lows in the upper 50s. South winds 10 to 15 mph with gusts up to 25 mph, becoming northwest 5 to 10 mph after midnight. Chance of rain 50 percent.

Missouri Valley, IA

Today
Thunderstorms
82°/ 62° 28°/ 17°
100%
Tuesday
Thunderstorms
72°/ 58° 22°/ 14°
70%
Wednesday
Thunderstorms
75°/ 62° 24°/ 17°
80%
Thursday
Thunderstorms
82°/ 68° 28°/ 20°
50%
Friday
Thunderstorms
85°/ 68° 29°/ 20°
70%
Saturday
Thunderstorms
78°/ 62° 26°/ 17°
50%

Day: Partly sunny with a chance of showers and thunderstorms. Breezy and much warmer with highs in the lower 80s. South winds 20 to 25 mph with gusts up to 35 mph. Chance of rain 50 percent.

Night: Showers with a chance of thunderstorms. Humid with lows in the lower 60s. South winds 15 to 20 mph with gusts up to 35 mph, becoming west around 5 mph after midnight. Chance of rain near 100 percent.

Stanton, NE

Today
Thunderstorms
82°/ 58° 28°/ 14°
70%
Tuesday
Partly Cloudy
72°/ 55° 22°/ 13°
50%
Wednesday
Thunderstorms
72°/ 62° 22°/ 17°
70%
Thursday
Thunderstorms
78°/ 65° 26°/ 18°
50%
Friday
Thunderstorms
82°/ 65° 28°/ 18°
60%
Saturday
Thunderstorms
75°/ 58° 24°/ 14°
50%

Day: Partly sunny with a chance of showers and thunderstorms. Much warmer with highs in the lower 80s. South winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 30 percent.

Night: Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Humid with lows in the upper 50s. Southwest winds 10 to 15 mph with gusts up to 30 mph, becoming north 5 to 10 mph after midnight. Chance of rain 70 percent.

Fremont, NE

Today
Thunderstorms
82°/ 60° 28°/ 16°
90%
Tuesday
Thunderstorms
70°/ 58° 21°/ 14°
50%
Wednesday
Thunderstorms
72°/ 62° 22°/ 17°
70%
Thursday
Thunderstorms
80°/ 65° 27°/ 18°
40%
Friday
Thunderstorms
85°/ 65° 29°/ 18°
70%
Saturday
Thunderstorms
78°/ 58° 26°/ 14°
40%

Day: Partly sunny with a chance of showers and thunderstorms. Much warmer with highs in the lower 80s. South winds around 20 mph with gusts up to 35 mph. Chance of rain 50 percent.

Night: A chance of thunderstorms. Showers with lows around 60. Southwest winds 10 to 15 mph with gusts up to 30 mph, becoming north 5 to 10 mph after midnight. Chance of rain 90 percent.

Blair, NE

Today
Thunderstorms
85°/ 62° 29°/ 17°
100%
Tuesday
Thunderstorms
72°/ 58° 22°/ 14°
50%
Wednesday
Thunderstorms
75°/ 65° 24°/ 18°
80%
Thursday
Thunderstorms
82°/ 68° 28°/ 20°
40%
Friday
Thunderstorms
85°/ 68° 29°/ 20°
70%
Saturday
Thunderstorms
78°/ 62° 26°/ 17°
50%

Day: Partly sunny with a chance of showers and thunderstorms. Much warmer with highs in the mid 80s. South winds around 20 mph with gusts up to 35 mph. Chance of rain 50 percent.

Night: A chance of thunderstorms. Showers with lows in the lower 60s. South winds 15 to 20 mph with gusts up to 30 mph, becoming northwest around 5 mph after midnight. Chance of rain near 100 percent.

Sheldon, IA

Tonight
Thunderstorms
55°13°
50%
Tuesday
Partly Cloudy
72°/ 52° 22°/ 11°
0%
Wednesday
Thunderstorms
70°/ 58° 21°/ 14°
50%
Thursday
Rain Showers
75°/ 62° 24°/ 17°
80%
Friday
Rain Showers
78°/ 62° 26°/ 17°
80%
Saturday
Rain Showers
75°/ 55° 24°/ 13°
40%
Sunday
Rain Showers
68°/ 52° 20°/ 11°
30%

Night: Cloudy with a chance of showers. A chance of thunderstorms, mainly this evening. Lows in the mid 50s. South winds 10 to 15 mph with gusts up to 25 mph, becoming northwest around 5 mph after midnight. Chance of rain 50 percent.

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