HARLAN, IA 51537 Weather Forecast & Current Conditions

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HARLAN, IA
Current Weather

5:35 PM CST JAN 12, 2026
Clear
39°F
Feels Like: 34°F
Dewpoint: 28°F
Rel. Hum.: 64%
Visibility: 10 miles
Wind: SSW at 7 mph
Pressure: 30.03 inches
Last 72 hours

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HARLAN, IA 51537
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
REST OF TODAY
Sunny. Not as cool with highs in the lower 50s. Temperature falling into the upper 40s late. Southwest winds around 5 mph.
TONIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 30s. Southwest winds 5 to 10 mph.
TUESDAY
Partly sunny in the morning, then mostly cloudy with a chance of sprinkles in the afternoon. Highs in the lower 50s. West winds 10 to 15 mph with gusts up to 30 mph.
TUESDAY NIGHT
Mostly cloudy. Lows in the mid 20s. Northwest winds 15 to 20 mph with gusts up to 30 mph.
WEDNESDAY
Sunny. Much cooler with highs in the lower 30s. North winds 15 to 20 mph with gusts up to 30 mph.
WEDNESDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Cooler with lows around 10 above.
THURSDAY
Partly sunny. A slight chance of snow in the afternoon. Highs in the mid 30s. Chance of snow 20 percent.
THURSDAY NIGHT
Mostly cloudy. A slight chance of snow in the evening. Not as cool with lows in the mid 20s. Chance of snow 20 percent.
FRIDAY
Mostly cloudy with a 20 percent chance of snow. Brisk with highs in the lower 30s. Temperature falling into the mid 20s in the afternoon.
FRIDAY NIGHT
Mostly cloudy with a 20 percent chance of snow. Much colder with lows around 10 above. Wind chill values as low as 5 below.
SATURDAY
Partly sunny. A slight chance of snow in the morning. Cooler with highs around 20. Chance of snow 20 percent. Wind chill values as low as 5 below in the morning.
SATURDAY NIGHT
Partly cloudy. Cold with lows zero to 5 above zero. Wind chill values as low as 10 below after midnight.
SUNDAY
Mostly sunny. Highs in the mid 20s. Wind chill values as low as 10 below in the morning.

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  4:00 AM PST  1/12/2026
Monday
12 JAN 2026
HARLAN, IA 51537 weather forecast Day 1, 12 hours 12 PM 45° 41° Partly Cloudy 0%

0% Thunder
( 0% severe)
WSW   7 53% 29°
High 51° HARLAN, IA 51537 weather forecast Day 1, 15 hours 3 PM 50° 47° Clear SW   8 48% 31°
Partly Cloudy



HARLAN, IA 51537 weather forecast Day 1, 18 hours 6 PM 40° 35° Clear 1%

0% Thunder
( 0% severe)
SW   7 67% 30°
HARLAN, IA 51537 weather forecast Day 1, 21 hours 9 PM 36° 30° Partly Cloudy SW   7 79% 30°
Tuesday
13 JAN 2026
HARLAN, IA 51537 weather forecast Day 2, 0 hours 12 AM 36° 30° Partly Cloudy 2%

0% Thunder
( 0% severe)
WSW   8 75% 29°
Low 33° HARLAN, IA 51537 weather forecast Day 2, 3 hours 3 AM 36° 28° Mostly Cloudy W   10 75% 29°
High 52° HARLAN, IA 51537 weather forecast Day 2, 6 hours 6 AM 37° 30° Mostly Cloudy 2%

0% Thunder
( 0% severe)
W   10 75% 30°

Mostly Cloudy



HARLAN, IA 51537 weather forecast Day 2, 9 hours 9 AM 42° 35° Mostly Cloudy W   13 73% 34°
HARLAN, IA 51537 weather forecast Day 2, 12 hours 12 PM 51° 46° Mostly Cloudy 8%

0% Thunder
( 0% severe)
WNW   16 59% 37°
HARLAN, IA 51537 weather forecast Day 2, 15 hours 3 PM 52° 47° Mostly Cloudy WNW   17 59% 38°
HARLAN, IA 51537 weather forecast Day 2, 18 hours 6 PM 46° 40° Mostly Cloudy 5%

0% Thunder
( 0% severe)
WNW   14 68% 36°
HARLAN, IA 51537 weather forecast Day 2, 21 hours 9 PM 41° 33° Partly Cloudy NW   14 79% 35°
Wednesday
14 JAN 2026
HARLAN, IA 51537 weather forecast Day 3, 0 hours 12 AM 38° 29° Partly Cloudy 1%

0% Thunder
( 2% severe)
NNW   15 82% 33°
Low 25° HARLAN, IA 51537 weather forecast Day 3, 3 hours 3 AM 34° 23° Mostly Cloudy NNW   18 82% 29°
High 30° HARLAN, IA 51537 weather forecast Day 3, 6 hours 6 AM 30° 17° Mostly Cloudy 0%

0% Thunder
( 0% severe)
NNW   20 77% 24°

Decreasing Clouds




Breezy
HARLAN, IA 51537 weather forecast Day 3, 9 hours 9 AM 27° 13° Partly Cloudy N   21 66% 18°
HARLAN, IA 51537 weather forecast Day 3, 15 hours 12 PM 28° 14° Partly Cloudy 0%

0% Thunder
( 0% severe)
N   21 49% 13°
HARLAN, IA 51537 weather forecast Day 3, 18 hours 3 PM 29° 16° Clear N   18 43% 11°
HARLAN, IA 51537 weather forecast Day 3, 21 hours 6 PM 22° 11° Clear     N   10 53%

HARLAN, IA extended weather forecast

Thursday
15 JAN 2026
Friday
16 JAN 2026
Saturday
17 JAN 2026
Sunday
18 JAN 2026
Monday
19 JAN 2026
Low 4° Low 21° Low 3° Low 8° Low 22°
High 33° High 28° High 15° High 36° High 45°
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 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Partly Cloudy
5% Snow
Overcast
42% Snow
Mostly Cloudy
20% Snow
Clear
4% Snow
Clear
9% Snow
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