Lester, IA Weather Forecast & Current Conditions

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Lester Weather Map
UTC Time: 9/17/2026, 16:53
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Aeronautical Observation: Automated synoptic observations via NWS Gateway.
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Lester, IA Regional Weather

Expires:202609171700;;607868
ASUS43 KFSD 171610
RWRFSD

WEATHER ROUNDUP FOR SE SOUTH DAKOTA/SW MINNESOTA/NW IOWA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1100 AM CDT THU SEP 17 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-SDZ071-171700-
NORTHWEST IOWA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHEROKEE       CLOUDY    70  66  88 N8        30.27R TC  21           
DENISON        CLOUDY    68  64  88 N6        30.28R TC  20           
ESTHERVILLE    CLOUDY    62  61  96 N12       30.28R TC  17           
LE MARS        CLOUDY   N/A N/A N/A N7        30.26S                  
MAURICE        CLOUDY    68  66  94 N9        30.28R TC  20           
SHELDON        CLOUDY    64  64 100 NE6       30.27S TC  18           
SIOUX CITY     CLOUDY    69  63  81 N3        30.27R TC  21           
SPENCER        CLOUDY    65  63  93 N6        30.28R TC  18           
STORM LAKE     PTSUNNY   68  64  88 N6        30.27S 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

Lester, IA

Today
Partly Cloudy
75°/ 60° 24°/ 16°
100%
Friday
Thunderstorms
78°/ 60° 26°/ 16°
70%
Saturday
Rain Showers
70°/ 55° 21°/ 13°
20%
Sunday
Rain Showers
62°/ 52° 17°/ 11°
60%
Monday
Rain Showers
60°/ 48° 16°/
60%
Tuesday
Mostly Cloudy
65°/ 50° 18°/ 10°
0%
Wednesday
Mostly Cloudy
72°22°
0%

Day: Patchy fog late this morning. Partly sunny. Highs in the mid 70s. Northeast winds 5 to 10 mph.

Night: Showers with a chance of thunderstorms after midnight. Lows around 60. East winds 10 to 15 mph. Chance of rain near 100 percent.

Luverne, MN

Today
Partly Cloudy
75°/ 58° 24°/ 14°
100%
Friday
Thunderstorms
78°/ 58° 26°/ 14°
90%
Saturday
Rain Showers
68°/ 52° 20°/ 11°
20%
Sunday
Rain Showers
62°/ 50° 17°/ 10°
60%
Monday
Rain Showers
60°/ 48° 16°/
60%
Tuesday
Cloudy
65°/ 48° 18°/
0%
Wednesday
Mostly Cloudy
70°21°
0%

Day: Patchy fog late this morning. Partly sunny. Highs in the mid 70s. Northeast winds 5 to 10 mph.

Night: Showers with a chance of thunderstorms after midnight. Locally heavy rainfall possible after midnight. Lows in the upper 50s. East winds 10 to 15 mph. Chance of rain near 100 percent.

Sioux Falls, SD

Today
Partly Cloudy
75°/ 60° 24°/ 16°
100%
Friday
Thunderstorms
78°/ 58° 26°/ 14°
90%
Saturday
Rain Showers
68°/ 55° 20°/ 13°
20%
Sunday
Rain Showers
62°/ 52° 17°/ 11°
70%
Monday
Rain Showers
62°/ 48° 17°/
50%
Tuesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Wednesday
Rain Showers
72°22°
30%

Day: Patchy fog late this morning. Partly sunny. Highs in the mid 70s. Northeast winds 5 to 10 mph.

Night: Showers with a chance of thunderstorms after midnight. Locally heavy rainfall possible after midnight. Lows around 60. East winds around 10 mph with gusts up to 20 mph, increasing to 15 to 20 mph with gusts up to 30 mph after midnight. Chance of rain near 100 percent.

Canton, SD

Today
Partly Cloudy
75°/ 62° 24°/ 17°
100%
Friday
Thunderstorms
82°/ 62° 28°/ 17°
50%
Saturday
Rain Showers
70°/ 55° 21°/ 13°
20%
Sunday
Rain Showers
62°/ 52° 17°/ 11°
60%
Monday
Rain Showers
62°/ 50° 17°/ 10°
50%
Tuesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Wednesday
Rain Showers
72°22°
30%

Day: Partly sunny. Highs in the mid 70s. Northeast winds 5 to 10 mph.

Night: A chance of showers with a slight chance of thunderstorms in the evening, then showers with a chance of thunderstorms after midnight. Humid with lows in the lower 60s. East winds 15 to 20 mph. Chance of rain near 100 percent.

Sioux Center, IA

Today
Mostly Cloudy
75°/ 62° 24°/ 17°
90%
Friday
Thunderstorms
82°/ 62° 28°/ 17°
50%
Saturday
Rain Showers
70°/ 55° 21°/ 13°
20%
Sunday
Rain Showers
62°/ 52° 17°/ 11°
60%
Monday
Rain Showers
60°/ 48° 16°/
60%
Tuesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Wednesday
Mostly Cloudy
70°21°
0%

Day: Mostly cloudy late this morning, then becoming partly sunny. Highs in the mid 70s. Northeast winds 5 to 10 mph.

Night: Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then showers with a chance of thunderstorms after midnight. Humid with lows in the lower 60s. East winds 10 to 15 mph. Chance of rain 90 percent.

Worthington, MN

Today
Mostly Cloudy
75°/ 58° 24°/ 14°
100%
Friday
Thunderstorms
75°/ 58° 24°/ 14°
100%
Saturday
Rain Showers
68°/ 52° 20°/ 11°
20%
Sunday
Rain Showers
62°/ 48° 17°/
60%
Monday
Rain Showers
58°/ 48° 14°/
60%
Tuesday
Cloudy
65°/ 48° 18°/
0%
Wednesday
Partly Cloudy
70°21°
0%

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

Night: Showers with a chance of thunderstorms after midnight. Locally heavy rainfall possible after midnight. Lows in the upper 50s. East winds 10 to 15 mph. Chance of rain near 100 percent.

Sibley, IA

Today
Mostly Cloudy
75°/ 58° 24°/ 14°
100%
Friday
Thunderstorms
78°/ 60° 26°/ 16°
100%
Saturday
Rain Showers
70°/ 55° 21°/ 13°
20%
Sunday
Rain Showers
62°/ 52° 17°/ 11°
60%
Monday
Rain Showers
60°/ 48° 16°/
60%
Tuesday
Mostly Cloudy
65°/ 50° 18°/ 10°
0%
Wednesday
Partly Cloudy
70°21°
0%

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

Night: Showers with a chance of thunderstorms after midnight. Locally heavy rainfall possible after midnight. Lows in the upper 50s. East winds 10 to 15 mph. Chance of rain near 100 percent.

Pipestone, MN

Today
Mostly Cloudy
75°/ 58° 24°/ 14°
100%
Friday
Thunderstorms
72°/ 55° 22°/ 13°
100%
Saturday
Rain Showers
65°/ 52° 18°/ 11°
20%
Sunday
Rain Showers
62°/ 48° 17°/
70%
Monday
Rain Showers
58°/ 48° 14°/
50%
Tuesday
Mostly Cloudy
65°/ 48° 18°/
0%
Wednesday
Partly Cloudy
70°21°
0%

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

Night: Showers with a chance of thunderstorms after midnight. Locally heavy rainfall possible after midnight. Lows in the upper 50s. East winds 10 to 15 mph. Chance of rain near 100 percent.

Sheldon, IA

Today
Mostly Cloudy
75°/ 60° 24°/ 16°
90%
Friday
Thunderstorms
80°/ 62° 27°/ 17°
90%
Saturday
Rain Showers
72°/ 55° 22°/ 13°
40%
Sunday
Rain Showers
62°/ 52° 17°/ 11°
60%
Monday
Rain Showers
60°/ 48° 16°/
60%
Tuesday
Mostly Cloudy
65°/ 48° 18°/
0%
Wednesday
Partly Cloudy
70°21°
0%

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

Night: Mostly cloudy. Showers with a chance of thunderstorms after midnight. Lows around 60. East winds 10 to 15 mph. Chance of rain 90 percent.

North Sioux City, SD

Today
Sprinkles
75°/ 62° 24°/ 17°
90%
Friday
Thunderstorms
85°/ 62° 29°/ 17°
50%
Saturday
Rain Showers
72°/ 55° 22°/ 13°
20%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
50%
Monday
Rain Showers
62°/ 50° 17°/ 10°
50%
Tuesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Wednesday
Rain Showers
70°21°
30%

Day: Partly sunny. A chance of sprinkles late this morning. Highs in the mid 70s. Northeast winds 5 to 10 mph.

Night: Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Humid with lows in the lower 60s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.

Parker, SD

Today
Partly Cloudy
75°/ 62° 24°/ 17°
100%
Friday
Thunderstorms
82°/ 62° 28°/ 17°
50%
Saturday
Rain Showers
70°/ 55° 21°/ 13°
20%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
60%
Monday
Rain Showers
62°/ 50° 17°/ 10°
50%
Tuesday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Wednesday
Rain Showers
72°22°
40%

Day: Partly sunny. Highs in the mid 70s. Northeast winds 5 to 10 mph.

Night: A chance of showers with a slight chance of thunderstorms in the evening, then showers with a chance of thunderstorms after midnight. Humid with lows in the lower 60s. East winds 15 to 20 mph. Chance of rain near 100 percent.

Flandreau, SD

Today
Partly Cloudy
75°/ 58° 24°/ 14°
100%
Friday
Thunderstorms
75°/ 55° 24°/ 13°
100%
Saturday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Sunday
Rain Showers
62°/ 48° 17°/
70%
Monday
Rain Showers
60°/ 48° 16°/
50%
Tuesday
Cloudy
65°/ 48° 18°/
0%
Wednesday
Partly Cloudy
70°21°
0%

Day: Patchy fog late this morning. Partly sunny. Highs in the mid 70s. Northeast winds 5 to 10 mph.

Night: Showers with a chance of thunderstorms after midnight. Locally heavy rainfall possible after midnight. Lows in the upper 50s. East winds around 10 mph, increasing to 15 to 20 mph after midnight. Chance of rain near 100 percent.

Le Mars, IA

Today
Sprinkles
72°/ 62° 22°/ 17°
70%
Friday
Thunderstorms
82°/ 62° 28°/ 17°
50%
Saturday
Rain Showers
72°/ 58° 22°/ 14°
20%
Sunday
Rain Showers
62°/ 52° 17°/ 11°
60%
Monday
Rain Showers
62°/ 52° 17°/ 11°
50%
Tuesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Wednesday
Mostly Cloudy
70°21°
0%

Day: Partly sunny. A chance of sprinkles late this morning. Highs in the lower 70s. Northeast winds around 5 mph.

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 lower 60s. East winds 10 to 15 mph. Chance of rain 70 percent.

Slayton, MN

Today
Mostly Cloudy
75°/ 55° 24°/ 13°
100%
Friday
Thunderstorms
72°/ 55° 22°/ 13°
100%
Saturday
Rain Showers
68°/ 52° 20°/ 11°
20%
Sunday
Rain Showers
62°/ 48° 17°/
60%
Monday
Rain Showers
58°/ 48° 14°/
60%
Tuesday
Mostly Cloudy
65°/ 48° 18°/
0%
Wednesday
Partly Cloudy
70°21°
0%

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

Night: Showers with a chance of thunderstorms after midnight. Locally heavy rainfall possible after midnight. Lows in the mid 50s. East winds 5 to 10 mph. Chance of rain near 100 percent.

Madison, SD

Today
Partly Cloudy
75°/ 58° 24°/ 14°
100%
Friday
Thunderstorms
75°/ 55° 24°/ 13°
100%
Saturday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Sunday
Rain Showers
62°/ 48° 17°/
70%
Monday
Rain Showers
60°/ 48° 16°/
50%
Tuesday
Mostly Cloudy
65°/ 48° 18°/
0%
Wednesday
Partly Cloudy
70°21°
0%

Day: Patchy fog late this morning. Partly sunny. Highs in the mid 70s. East winds 5 to 10 mph.

Night: Showers with a chance of thunderstorms after midnight. Locally heavy rainfall possible after midnight. Lows in the upper 50s. East winds around 10 mph with gusts up to 20 mph, increasing to 15 to 20 mph with gusts up to 30 mph after midnight. Chance of rain near 100 percent.

Salem, SD

Today
Partly Cloudy
75°/ 62° 24°/ 17°
100%
Friday
Thunderstorms
80°/ 58° 27°/ 14°
70%
Saturday
Rain Showers
68°/ 55° 20°/ 13°
20%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
70%
Monday
Rain Showers
62°/ 48° 17°/
50%
Tuesday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Wednesday
Rain Showers
72°22°
30%

Day: Partly sunny. Highs in the mid 70s. East winds 5 to 10 mph.

Night: A chance of showers with a slight chance of thunderstorms in the evening, then showers with a chance of thunderstorms after midnight. Locally heavy rainfall possible after midnight. Lows in the lower 60s. East winds 15 to 20 mph. Chance of rain near 100 percent.

Vermillion, SD

Today
Partly Cloudy
75°/ 62° 24°/ 17°
90%
Friday
Thunderstorms
85°/ 62° 29°/ 17°
50%
Saturday
Rain Showers
72°/ 55° 22°/ 13°
20%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
50%
Monday
Rain Showers
62°/ 50° 17°/ 10°
50%
Tuesday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Wednesday
Rain Showers
72°22°
40%

Day: Partly sunny. Highs in the mid 70s. Northeast winds 5 to 10 mph.

Night: Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Humid with lows in the lower 60s. East winds around 10 mph, increasing to 15 to 20 mph after midnight. Chance of rain 90 percent.

Cherokee, IA

Today
Sprinkles
72°/ 62° 22°/ 17°
70%
Friday
Thunderstorms
82°/ 62° 28°/ 17°
70%
Saturday
Rain Showers
72°/ 55° 22°/ 13°
40%
Sunday
Rain Showers
62°/ 52° 17°/ 11°
60%
Monday
Rain Showers
60°/ 48° 16°/
60%
Tuesday
Cloudy
65°/ 50° 18°/ 10°
0%
Wednesday
Mostly Cloudy
68°20°
0%

Day: Mostly cloudy late this morning, then becoming partly sunny. A chance of sprinkles late this morning. Patchy dense fog late this morning. Highs in the lower 70s. Northeast winds around 5 mph.

Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. Humid with lows in the lower 60s. East winds 10 to 15 mph. Chance of rain 70 percent.

Spirit Lake, IA

Today
Mostly Cloudy
75°/ 58° 24°/ 14°
100%
Friday
Thunderstorms
78°/ 62° 26°/ 17°
100%
Saturday
Rain Showers
70°/ 55° 21°/ 13°
40%
Sunday
Rain Showers
62°/ 52° 17°/ 11°
60%
Monday
Rain Showers
60°/ 48° 16°/
60%
Tuesday
Mostly Cloudy
65°/ 50° 18°/ 10°
0%
Wednesday
Partly Cloudy
70°21°
0%

Day: Patchy fog late this morning. Mostly cloudy. Highs in the mid 70s. Northeast winds 5 to 10 mph.

Night: Showers with a chance of thunderstorms after midnight. Locally heavy rainfall possible after midnight. Lows in the upper 50s. East winds 10 to 15 mph. Chance of rain near 100 percent.

Yankton, SD

Today
Partly Cloudy
75°/ 62° 24°/ 17°
90%
Friday
Thunderstorms
85°/ 62° 29°/ 17°
50%
Saturday
Rain Showers
70°/ 55° 21°/ 13°
20%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
50%
Monday
Rain Showers
62°/ 50° 17°/ 10°
50%
Tuesday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Wednesday
Rain Showers
72°22°
40%

Day: Partly sunny. Highs in the mid 70s. Northeast winds 5 to 10 mph, becoming east this afternoon.

Night: Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Humid with lows in the lower 60s. East winds 15 to 20 mph. Chance of rain 90 percent.

Names listed above may include county names.

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