HARLAN, IA 51537 Weather Forecast & Current Conditions

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HARLAN, IA
Current Weather

7:15 AM CDT APR 30, 2026
Few Clouds
41°F
Feels Like: 41°F
Dewpoint: 39°F
Rel. Hum.: 93%
Visibility: 10 miles
Wind: Calm
Pressure: 30.01 inches
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HARLAN, IA 51537
Weather Forecast

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TODAY
Partly sunny. A slight chance of showers this morning. Highs in the upper 50s. North winds 10 to 15 mph. Chance of rain 20 percent.
TONIGHT
Partly cloudy in the evening, then clearing. Areas of frost after midnight. Lows in the mid 30s. North winds 5 to 10 mph, becoming northwest after midnight.
FRIDAY
Areas of frost in the morning. Mostly sunny. Highs in the mid 50s. North winds 5 to 10 mph.
FRIDAY NIGHT
Partly cloudy in the evening, then clearing. Widespread frost after midnight. Lows in the lower 30s. North winds 5 to 10 mph.
SATURDAY
Widespread frost in the morning. Sunny. Highs in the lower 60s. West winds 5 to 10 mph.
SATURDAY NIGHT
Mostly clear. Not as cool with lows in the lower 40s.
SUNDAY
Mostly sunny. Warmer with highs in the mid 70s.
SUNDAY NIGHT
Mostly cloudy with a 20 percent chance of showers. Lows in the mid 40s.
MONDAY
Sunny. Highs in the mid 70s.
MONDAY NIGHT
A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of showers. Lows in the mid 40s. Chance of rain 20 percent.
TUESDAY
Partly sunny with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of rain 30 percent.
TUESDAY NIGHT
A slight chance of thunderstorms in the evening. Mostly cloudy with a slight chance of showers. Lows in the lower 40s. Chance of rain 20 percent.
WEDNESDAY
Mostly sunny. A slight chance of showers in the morning. Highs around 60. Chance of rain 20 percent.

Visible Weather Satellite
HARLAN, IA 51537
Infrared Weather Satellite
HARLAN, IA 51537
NEXRAD Weather Radar
HARLAN, IA 51537

HARLAN, IA 3 hourly weather forecast

weather forecast created  5:00 PM PDT  4/29/2026
Thursday
30 APR 2026
HARLAN, IA 51537 weather forecast Day 1, 0 hours 1 AM 44° 43° Mostly Cloudy 31%
RAIN
<.01 in
0% Thunder
( 12% severe)
SSW   2 68% 34°
Low 41° HARLAN, IA 51537 weather forecast Day 1, 3 hours 4 AM 43° 42° Mostly Cloudy S   2 82% 38°
High 57° HARLAN, IA 51537 weather forecast Day 1, 6 hours 7 AM 42° 40° Mostly Cloudy 16%
RAIN
<.01 in
0% Thunder
( 4% severe)
WNW   3 89% 39°

Mostly Cloudy



HARLAN, IA 51537 weather forecast Day 1, 9 hours 10 AM 50° 47° Mostly Cloudy N   8 71% 41°
HARLAN, IA 51537 weather forecast Day 1, 12 hours 1 PM 53° 49° Mostly Cloudy 7%

0% Thunder
( 9% severe)
N   13 54% 37°
HARLAN, IA 51537 weather forecast Day 1, 15 hours 4 PM 56° 53° Mostly Cloudy N   14 42% 33°
HARLAN, IA 51537 weather forecast Day 1, 18 hours 7 PM 53° 49° Mostly Cloudy 4%

0% Thunder
( 5% severe)
N   12 41% 30°
HARLAN, IA 51537 weather forecast Day 1, 21 hours 10 PM 43° 41° Partly Cloudy NNE   3 62% 31°
Friday
1 MAY 2026
HARLAN, IA 51537 weather forecast Day 2, 0 hours 1 AM 39° 37° Partly Cloudy 1%

0% Thunder
( 1% severe)
WNW   1 76% 32°
Low 34° HARLAN, IA 51537 weather forecast Day 2, 3 hours 4 AM 36° 34° Partly Cloudy WNW   1 85% 32°
High 57° HARLAN, IA 51537 weather forecast Day 2, 6 hours 7 AM 36° 33° Partly Cloudy 5%

0% Thunder
( 3% severe)
NNW   3 85% 32°

Partly Cloudy



HARLAN, IA 51537 weather forecast Day 2, 9 hours 10 AM 48° 45° Partly Cloudy N   7 60% 35°
HARLAN, IA 51537 weather forecast Day 2, 12 hours 1 PM 53° 49° Partly Cloudy 3%

0% Thunder
( 6% severe)
NNW   12 45% 32°
HARLAN, IA 51537 weather forecast Day 2, 15 hours 4 PM 55° 52° Mostly Cloudy N   13 38% 30°
HARLAN, IA 51537 weather forecast Day 2, 18 hours 7 PM 52° 49° Partly Cloudy 1%

0% Thunder
( 1% severe)
N   9 39% 28°
HARLAN, IA 51537 weather forecast Day 2, 21 hours 10 PM 43° 41° Partly Cloudy N   3 55% 28°

HARLAN, IA extended weather forecast

Saturday
2 MAY 2026
Sunday
3 MAY 2026
Monday
4 MAY 2026
Tuesday
5 MAY 2026
Wednesday
6 MAY 2026
Low 33° Low 46° Low 49° Low 45° Low 35°
High 66° High 74° High 76° High 57° High 62°
HARLAN, IA 51537 weather forecast Day 3 HARLAN, IA 51537 weather forecast Day 4 HARLAN, IA 51537 weather forecast Day 5 HARLAN, IA 51537 weather forecast Day 6 HARLAN, IA 51537 weather forecast Day 7
Clear
7% Rain
Clear
10% Rain
Mostly Cloudy
26% Rain
Partly Cloudy
21% Rain
Partly Cloudy
13% Rain
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