LE MARS, IA 51031 Weather Forecast & Current Conditions

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51031 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
LE MARS, IA Current Weather
3:35 AM CDT SEP 18, 2026
Overcast NA
Feels Like:	NA
Dewpoint:	NA
Rel. Hum.:	NA%
Visibility:	10 miles
Wind:	E at 9 mph
Pressure:	30.16 inches
Last 72 hours
Local Area Snow Depth
Iowa Current Weather
Iowa MOS Forecast Weather

Weather Map

(Automated weather data from NWS/FAA)

51031 WEATHER FORECAST
10-Day model forecast maps 2026 Hurricanes	LE MARS, IA 51031 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TODAY
Mostly cloudy. Patchy fog this morning. A chance of showers and thunderstorms, mainly this morning. Highs in the lower 80s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

TONIGHT
A slight chance of thunderstorms in the evening. Mostly cloudy with a slight chance of showers. Humid with lows in the lower 60s. Northeast winds 5 to 10 mph, becoming north after midnight. Chance of rain 20 percent.

SATURDAY
Mostly cloudy. A slight chance of showers in the morning, then a chance of showers in the afternoon. Not as warm. Humid with highs around 70. North winds 5 to 10 mph. Chance of rain 40 percent.

SATURDAY NIGHT
Cloudy with a 40 percent chance of showers. Lows in the upper 50s. Northeast winds 5 to 10 mph.

SUNDAY
Cloudy. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the lower 60s. Northeast winds 10 to 15 mph. Chance of rain 50 percent.

SUNDAY NIGHT
Showers likely. Lows in the lower 50s. Chance of rain 70 percent.

MONDAY
Showers likely, mainly in the morning. Highs in the upper 50s. Chance of rain 70 percent.

MONDAY NIGHT
Mostly cloudy. Lows in the upper 40s.

TUESDAY
Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 60s.

TUESDAY NIGHT
Partly cloudy. Lows in the mid 40s.

WEDNESDAY
Partly sunny. Highs in the lower 60s.

WEDNESDAY NIGHT
Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the lower 50s. Chance of rain 30 percent.

THURSDAY
Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 60s.

51031 WEATHER SATELLITE LOOPS

Visible Weather Satellite
LE MARS, IA 51031

Infrared Weather Satellite
LE MARS, IA 51031

51031 WEATHER RADAR LOOP

NEXRAD Weather Radar
LE MARS, IA 51031

MOS COMPUTER WEATHER FORECAST

LE MARS, IA 3 hourly weather forecast

weather forecast created 7:00 PM CDT 9/17/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Friday
18 SEP 2026

1 AM

66°

66°

Mostly Cloudy

93%
RAIN
***

0% Thunder
( 47% severe)

E 10

100%

66°

Low 65°

4 AM

66°

66°

Mostly Cloudy

E 14

100%

66°

High 82°

7 AM

66°

66°

Mostly Cloudy

57%
RAIN
***

0% Thunder
( 20% severe)

ESE 16

100%

66°

Mostly Cloudy

Rain Likely

10 AM

68°

68°

Mostly Cloudy

ESE 16

100%

68°

1 PM

75°

75°

Mostly Cloudy

29%
RAIN
.01–.1 in

0% Thunder
( 32% severe)

SE 14

94%

73°

4 PM

81°

86°

Mostly Cloudy

SE 12

79%

74°

7 PM

78°

81°

Partly Cloudy

17%
RAIN
1–2 in

0% Thunder
( 35% severe)

NNE 8

91%

75°

10 PM

72°

72°

Mostly Cloudy

NNE 7

100%

72°

Saturday
19 SEP 2026

1 AM

70°

70°

Mostly Cloudy

13%
RAIN
<.01 in

0% Thunder
( 15% severe)

N 3

100%

70°

Low 64°

4 AM

68°

68°

Mostly Cloudy

N 5

100%

68°

High 70°

7 AM

67°

67°

Mostly Cloudy

21%
RAIN
<.01 in

0% Thunder
( 6% severe)

N 5

100%

67°

Mostly Cloudy

Chance of Rain

10 AM

67°

67°

Mostly Cloudy

N 7

100%

67°

1 PM

69°

69°

Mostly Cloudy

46%
RAIN
1–2 in

0% Thunder
( 4% severe)

NA 8

97%

68°

4 PM

69°

69°

Mostly Cloudy

N 9

93%

67°

7 PM

67°

67°

Mostly Cloudy

34%
RAIN
.25–.5 in

0% Thunder
( 3% severe)

NNE 9

97%

66°

10 PM

64°

64°

Mostly Cloudy

NNE 9

100%

64°


LE MARS, IA extended weather forecast
Sunday 20 SEP 2026	Monday 21 SEP 2026	Tuesday 22 SEP 2026	Wednesday 23 SEP 2026	Thursday 24 SEP 2026
Low 58°	Low 53°	Low 50°	Low 47°	Low 51°
High 63°	High 59°	High 63°	High 71°	High 72°

Overcast 61% Rain	Overcast 81% Rain	Overcast 32% Rain	Mostly Cloudy 30% Rain	Overcast 39% Rain

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