HARLAN, IA 51537 Weather Forecast & Current Conditions
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  51537 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

HARLAN, IA
Current Weather
9:15 AM CDT OCT 27, 2026
Few Clouds
Mist
52°F
Feels Like: 52°F
Dewpoint: 50°F
Rel. Hum.: 93%
Visibility: 3 miles
Wind: Calm
Pressure:
Last 72 hours

Local Area Snow Depth

Iowa Current Weather

Iowa MOS Forecast Weather


Weather Map

(Automated weather data from NWS/FAA)
  51537 WEATHER FORECAST
10-Day model forecast maps
2026 Hurricanes

HARLAN, IA 51537
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
TODAY
Mostly cloudy. A chance of showers, mainly this morning. Highs in the lower 60s. Southwest winds 5 to 10 mph. Chance of rain 50 percent.
TONIGHT
Mostly cloudy. A slight chance of showers after midnight. Lows in the lower 50s. South winds around 5 mph. Chance of rain 20 percent.
WEDNESDAY
Partly sunny with a slight chance of showers in the morning, then mostly cloudy with a chance of showers with a slight chance of thunderstorms in the afternoon. Warmer with highs in the mid 70s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.
WEDNESDAY NIGHT
Showers likely with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower 50s. Southwest winds 5 to 10 mph with gusts up to 20 mph, becoming west after midnight. Chance of rain 70 percent.
THURSDAY
Partly sunny in the morning, then clearing. Highs in the upper 60s. Northeast winds around 5 mph.
THURSDAY NIGHT
Partly cloudy in the evening, then mostly cloudy with showers likely with a slight chance of thunderstorms after midnight. Lows in the lower 50s. Chance of rain 60 percent.
FRIDAY
Showers with a chance of thunderstorms. Highs around 70. Chance of rain 90 percent.
FRIDAY NIGHT
A slight chance of thunderstorms. Showers. Lows in the lower 50s. Chance of rain 90 percent.
SATURDAY
Showers likely in the morning, then partly sunny with a chance of showers in the afternoon. Highs in the mid 60s. Chance of rain 70 percent.
SATURDAY NIGHT
Mostly cloudy. A chance of showers, mainly in the evening. Lows in the lower 50s. Chance of rain 50 percent.
SUNDAY
Partly sunny with a 20 percent chance of showers. Highs in the upper 60s.
SUNDAY NIGHT
Mostly cloudy. A chance of showers in the evening, then showers likely after midnight. Lows in the lower 50s. Chance of rain 60 percent.
MONDAY
Showers. Highs in the lower 60s. Chance of rain 80 percent.

  51537 WEATHER SATELLITE LOOPS
Visible Weather Satellite
HARLAN, IA 51537
Infrared Weather Satellite
HARLAN, IA 51537
  51537 WEATHER RADAR LOOP
NEXRAD Weather Radar
HARLAN, IA 51537
 MOS COMPUTER WEATHER FORECAST

HARLAN, IA 3 hourly weather forecast
weather forecast created  4:00 PM PST 10/26/2026
Tuesday
27 OCT 2026		 HARLAN, IA 51537 weather forecast Day 1, 0 hours 12 AM 60° 59° Mostly Cloudy 18%
RAIN
<.01 in		 0% Thunder
( 4% severe)		 S   8 75% 52°
Low 53° HARLAN, IA 51537 weather forecast Day 1, 3 hours 3 AM 58° 57° Mostly Cloudy SSW   7 83% 53°
High 65° HARLAN, IA 51537 weather forecast Day 1, 6 hours 6 AM 54° 53° Mostly Cloudy 38%
RAIN
.25–.5 in		 0% Thunder
( 4% severe)		 SW   6 93% 52°

Mostly Cloudy

Chance of Rain

 HARLAN, IA 51537 weather forecast Day 1, 9 hours 9 AM 57° 57° Mostly Cloudy W   5 86% 53°
HARLAN, IA 51537 weather forecast Day 1, 12 hours 12 PM 61° 60° Mostly Cloudy 24%
RAIN
<.01 in		 0% Thunder
( 3% severe)		 SSW   8 75% 53°
HARLAN, IA 51537 weather forecast Day 1, 15 hours 3 PM 64° 63° Mostly Cloudy SSW   10 70% 54°
HARLAN, IA 51537 weather forecast Day 1, 18 hours 6 PM 61° 60° Mostly Cloudy 1%

 0% Thunder
( 1% severe)		 S   7 75% 53°
HARLAN, IA 51537 weather forecast Day 1, 21 hours 9 PM 58° 57° Mostly Cloudy S   7 87% 54°
Wednesday
28 OCT 2026		 HARLAN, IA 51537 weather forecast Day 2, 0 hours 12 AM 56° 54° Mostly Cloudy 15%
RAIN
<.01 in		 0% Thunder
( 4% severe)		 S   7 90% 53°
Low 53° HARLAN, IA 51537 weather forecast Day 2, 3 hours 3 AM 55° 53° Mostly Cloudy SSE   7 93% 53°
High 73° HARLAN, IA 51537 weather forecast Day 2, 6 hours 6 AM 55° 53° Partly Cloudy 14%
RAIN
<.01 in		 0% Thunder
( 15% severe)		 SSE   8 93% 53°

Mostly Cloudy

Chance of Rain

 HARLAN, IA 51537 weather forecast Day 2, 9 hours 9 AM 61° 59° Mostly Cloudy SSE   12 84% 56°
HARLAN, IA 51537 weather forecast Day 2, 12 hours 12 PM 69° 69° Mostly Cloudy 21%
RAIN
<.01 in		 0% Thunder
( 26% severe)		 S   14 68% 58°
HARLAN, IA 51537 weather forecast Day 2, 15 hours 3 PM 73° 73° Mostly Cloudy S   15 62% 59°
HARLAN, IA 51537 weather forecast Day 2, 18 hours 6 PM 67° 67° Mostly Cloudy 60%
RAIN
.1–.25 in		 0% Thunder
( 23% severe)		 SSW   9 73% 58°
HARLAN, IA 51537 weather forecast Day 2, 21 hours 9 PM 61° 61° Mostly Cloudy SSW   6 97% 60°

HARLAN, IA extended weather forecast
Thursday
29 OCT 2026		 Friday
30 OCT 2026		 Saturday
31 OCT 2026		 Sunday
1 NOV 2026		 Monday
2 NOV 2026
Low 49° Low 43° Low 47° Low 45° Low 42°
High 67° High 58° High 58° High 60° High 59°
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
Partly Cloudy
44% Rain		 Overcast
53% Rain		 Overcast
77% Rain		 Overcast
44% Rain		 Overcast
15% Rain
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