LE MARS, IA 51031 Weather Forecast & Current Conditions

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LE MARS, IA
Current Weather

11:35 PM CDT SEP 3, 2026
Clear
77°F
Feels Like: 78°F
Dewpoint: 75°F
Rel. Hum.: 94%
Visibility: 10 miles
Wind: S at 6 mph
Pressure: 29.79 inches
Last 72 hours

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LE MARS, IA 51031
Weather Forecast

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TONIGHT
Mostly clear. Lows in the lower 70s. South winds 10 to 15 mph. Heat index values up to 100 early this evening.
FRIDAY
Sunny with highs in the lower 90s. Southeast winds around 5 mph. Heat index values up to 101 in the afternoon.
FRIDAY NIGHT
Mostly clear. Humid with lows in the lower 70s. East winds around 5 mph. Heat index values in the upper 90s early in the evening.
SATURDAY
Mostly sunny. A slight chance of showers and thunderstorms in the morning. Humid with highs in the lower 90s. Southeast winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 101 in the afternoon.
SATURDAY NIGHT
Partly cloudy. A slight chance of showers and thunderstorms after midnight. Humid with lows in the lower 70s. Southeast winds 5 to 10 mph. Chance of rain 20 percent. Heat index values in the upper 90s early in the evening.
SUNDAY
Mostly sunny. A chance of showers and thunderstorms in the morning. Highs in the upper 80s. Chance of rain 40 percent.
SUNDAY NIGHT
Partly cloudy in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows around 70. Chance of rain 50 percent.
LABOR DAY
Mostly cloudy in the morning, then becoming partly sunny. A chance of showers in the morning. Highs in the upper 80s. Chance of rain 50 percent.
MONDAY NIGHT
Partly cloudy in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of rain 40 percent.
TUESDAY
Mostly cloudy in the morning, then becoming mostly sunny. A chance of showers. Highs in the upper 80s. Chance of rain 50 percent.
TUESDAY NIGHT
A chance of showers in the evening. Partly cloudy. Lows in the upper 60s. Chance of rain 40 percent.
WEDNESDAY
Mostly sunny. Highs in the mid 80s.
WEDNESDAY NIGHT
Mostly clear in the evening, then becoming mostly cloudy. Lows in the mid 60s.

Visible Weather Satellite
LE MARS, IA 51031
Infrared Weather Satellite
LE MARS, IA 51031
NEXRAD Weather Radar
LE MARS, IA 51031

LE MARS, IA 3 hourly weather forecast

weather forecast created  7:00 PM CDT  9/ 3/2026
Friday
4 SEP 2026
LE MARS, IA 51031 weather forecast Day 1, 0 hours 1 AM 77° 79° Clear 2%

0% Thunder
( 19% severe)
S   8 79% 70°
Low 72° LE MARS, IA 51031 weather forecast Day 1, 3 hours 4 AM 75° 75° Clear S   7 79% 68°
High 93° LE MARS, IA 51031 weather forecast Day 1, 6 hours 7 AM 73° 73° Clear 1%

0% Thunder
( 6% severe)
S   3 81% 67°

Clear



LE MARS, IA 51031 weather forecast Day 1, 9 hours 10 AM 82° 87° Clear SSW   6 72% 72°
LE MARS, IA 51031 weather forecast Day 1, 12 hours 1 PM 90° 100° Clear 0%

0% Thunder
( 6% severe)
E   6 60% 74°
LE MARS, IA 51031 weather forecast Day 1, 15 hours 4 PM 93° 102° Clear E   5 52% 73°
LE MARS, IA 51031 weather forecast Day 1, 18 hours 7 PM 89° 97° Clear 1%

0% Thunder
( 8% severe)
E   5 59% 73°
LE MARS, IA 51031 weather forecast Day 1, 21 hours 10 PM 78° 80° Partly Cloudy E   5 88% 74°
Saturday
5 SEP 2026
LE MARS, IA 51031 weather forecast Day 2, 0 hours 1 AM 75° 75° Clear 9%

0% Thunder
( 21% severe)
E   2 90% 72°
Low 72° LE MARS, IA 51031 weather forecast Day 2, 3 hours 4 AM 73° 73° Partly Cloudy ENE   3 90% 70°
High 93° LE MARS, IA 51031 weather forecast Day 2, 6 hours 7 AM 72° 72° Partly Cloudy 5%

0% Thunder
( 13% severe)
E   2 93% 70°

Mostly Cloudy



LE MARS, IA 51031 weather forecast Day 2, 9 hours 10 AM 82° 88° Mostly Cloudy ESE   5 77% 74°
LE MARS, IA 51031 weather forecast Day 2, 12 hours 1 PM 90° 101° Partly Cloudy 2%

0% Thunder
( 15% severe)
ESE   8 62% 75°
LE MARS, IA 51031 weather forecast Day 2, 15 hours 4 PM 93° 102° Mostly Cloudy SSE   8 52% 73°
LE MARS, IA 51031 weather forecast Day 2, 18 hours 7 PM 88° 96° Mostly Cloudy 4%

0% Thunder
( 32% severe)
SE   6 61% 73°
LE MARS, IA 51031 weather forecast Day 2, 21 hours 10 PM 78° 80° Mostly Cloudy E   6 85% 73°

LE MARS, IA extended weather forecast

BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
BAD DATE
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BAD DATE
Low 66° Low 68° Low 71° Low 66° Low 63°
High 97° High 88° High 87° High 89° High 80°
LE MARS, IA 51031 weather forecast Day 3 LE MARS, IA 51031 weather forecast Day 4 LE MARS, IA 51031 weather forecast Day 5 LE MARS, IA 51031 weather forecast Day 6 LE MARS, IA 51031 weather forecast Day 7
Partly Cloudy
13% Rain
Mostly Cloudy
38% Rain
Mostly Cloudy
33% Rain
Partly Cloudy
25% Rain
Partly Cloudy
43% Rain
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