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
10:35 PM CDT AUG 17, 2026
Clear 73°F
Feels Like:	73°F
Dewpoint:	70°F
Rel. Hum.:	90%
Visibility:	10 miles
Wind:	S at 5 mph
Pressure:	29.98 inches
Last 72 hours
Local Area Snow Depth
Iowa Current Weather
Iowa MOS Forecast Weather

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(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

TONIGHT
Partly cloudy with a slight chance of showers and thunderstorms this evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the lower 60s. South winds 5 to 10 mph. Chance of rain 50 percent.

TUESDAY
Mostly sunny. A chance of showers and thunderstorms in the morning. Humid with highs in the upper 70s. South winds around 5 mph, becoming west in the afternoon. Chance of rain 50 percent.

TUESDAY NIGHT
Mostly cloudy. Humid with lows in the upper 50s. North winds around 5 mph, becoming east after midnight.

WEDNESDAY
Partly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 70s. Southeast winds around 5 mph, becoming south in the afternoon. Chance of rain 40 percent.

WEDNESDAY NIGHT
Partly cloudy. A slight chance of showers and thunderstorms after midnight. Humid with lows in the upper 50s. Southeast winds around 5 mph. Chance of rain 20 percent.

THURSDAY
Mostly sunny. Highs in the upper 70s.

THURSDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s.

FRIDAY
Partly sunny in the morning, then clearing. Highs around 80.

FRIDAY NIGHT
Mostly clear. Lows in the upper 50s.

SATURDAY
Sunny. Highs in the mid 70s.

SATURDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s.

SUNDAY
Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 70s.

SUNDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 50s.

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 AM CDT 8/17/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Monday
17 AUG 2026

1 PM

77°

79°

Partly Cloudy

2%

0% Thunder
( 9% severe)

SSW 8

69%

66°

High 81°

4 PM

80°

83°

Partly Cloudy

SSW 10

69%

69°

Partly Cloudy

Chance of Rain

7 PM

79°

82°

Partly Cloudy

22%
RAIN
.25–.5 in

0% Thunder
( 32% severe)

S 8

77%

71°

10 PM

70°

70°

Partly Cloudy

S 8

97%

69°

Tuesday
18 AUG 2026

1 AM

67°

67°

Partly Cloudy

37%
RAIN
***

0% Thunder
( 31% severe)

S 5

100%

67°

Low 62°

4 AM

65°

65°

Mostly Cloudy

S 3

100%

65°

High 78°

7 AM

65°

65°

Mostly Cloudy

43%
RAIN
***

0% Thunder
( 23% severe)

WSW 1

100%

65°

Mostly Cloudy

Chance of Rain

10 AM

70°

70°

Mostly Cloudy

SE 3

100%

70°

1 PM

75°

75°

Partly Cloudy

11%
RAIN
.01–.1 in

0% Thunder
( 22% severe)

WSW 5

90%

72°

4 PM

77°

78°

Partly Cloudy

WNW 3

85%

72°

7 PM

76°

76°

Partly Cloudy

8%

0% Thunder
( 18% severe)

NNW 3

87%

72°

10 PM

69°

69°

Mostly Cloudy

CALM

100%

69°

Wednesday
19 AUG 2026

1 AM

66°

66°

Mostly Cloudy

1%

0% Thunder
( 18% severe)

CALM

100%

66°

Low 59°

4 AM

63°

64°

Mostly Cloudy

CALM

100%

63°

High 75°

7 AM

61°

62°

Mostly Cloudy

20%
RAIN
***

0% Thunder
( 19% severe)

CALM

100%

61°

Mostly Cloudy

Chance of Rain

10 AM

68°

68°

Mostly Cloudy

SSE 1

97%

67°

1 PM

73°

73°

Mostly Cloudy

34%
RAIN
***

0% Thunder
( 41% severe)

S 3

84%

68°

4 PM

74°

74°

Mostly Cloudy

CALM

82%

68°

7 PM

73°

73°

Partly Cloudy

SSE 2

84%

68°


LE MARS, IA extended weather forecast
Thursday 20 AUG 2026	Friday 21 AUG 2026	Saturday 22 AUG 2026	Sunday 23 AUG 2026	Monday 24 AUG 2026
Low 60°	Low 62°	Low 64°	Low 62°	Low 63°
High 82°	High 86°	High 87°	High 80°	High 84°

Partly Cloudy 46% Rain	Partly Cloudy 24% Rain	Partly Cloudy 14% Rain	Partly Cloudy 29% Rain	Partly Cloudy 31% Rain

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