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

HARLAN, IA
Current Weather
11:15 PM CDT AUG 12, 2026
Few Clouds
75°F
Feels Like: 75°F
Dewpoint: 73°F
Rel. Hum.: 94%
Visibility: 10 miles
Wind: E at 8 mph
Pressure: 29.84 inches
Last 72 hours

Local Area Snow Depth

Iowa Current Weather

Iowa MOS Forecast Weather


Regional Weather Maps

(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
REST OF TONIGHT
Mostly cloudy. Areas of smoke. Showers with a chance of thunderstorms. Lows in the upper 60s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.
THURSDAY
Showers with a chance of thunderstorms in the morning, then partly sunny with a slight chance of showers and thunderstorms in the afternoon. Patchy smoke. Humid with highs in the lower 80s. East winds 15 to 20 mph with gusts up to 35 mph, diminishing to around 10 mph with gusts up to 20 mph in the afternoon. Chance of rain near 100 percent.
THURSDAY NIGHT
Patchy smoke in the evening. A chance of thunderstorms. Showers likely. Humid with lows in the upper 60s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.
FRIDAY
Mostly cloudy. A chance of showers and thunderstorms in the morning. Humid with highs in the lower 80s. East winds 5 to 10 mph. Chance of rain 50 percent.
FRIDAY NIGHT
Mostly cloudy with a slight chance of showers and thunderstorms. Humid with lows in the upper 60s. East winds around 5 mph. Chance of rain 20 percent.
SATURDAY
Mostly cloudy with a slight chance of showers and thunderstorms in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent.
SATURDAY NIGHT
Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the mid 60s. Chance of rain 60 percent.
SUNDAY
Cloudy with a chance of showers and thunderstorms in the morning, then partly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50 percent.
SUNDAY NIGHT
Mostly cloudy in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows around 60. Chance of rain 20 percent.
MONDAY
Mostly sunny. A slight chance of showers in the morning. Highs in the mid 70s. Chance of rain 20 percent.
MONDAY NIGHT
Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the upper 50s. Chance of rain 20 percent.
TUESDAY
Partly sunny with a slight chance of showers and thunderstorms. Highs in the upper 70s. Chance of rain 20 percent.
TUESDAY NIGHT
Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the lower 60s. Chance of rain 30 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  5:00 AM PDT  8/12/2026
Wednesday
12 AUG 2026		 HARLAN, IA 51537 weather forecast Day 1, 12 hours 1 PM 84° 92° Partly Cloudy 2%

 0% Thunder
( 7% severe)		 NE   9 74% 75°
High 87° HARLAN, IA 51537 weather forecast Day 1, 15 hours 4 PM 86° 95° Partly Cloudy ENE   8 70% 75°
Partly Cloudy

Chance of Rain

 HARLAN, IA 51537 weather forecast Day 1, 18 hours 7 PM 83° 91° Partly Cloudy 20%
RAIN
>2 in		 0% Thunder
( 33% severe)		 E   8 80% 76°
HARLAN, IA 51537 weather forecast Day 1, 21 hours 10 PM 75° 75° Partly Cloudy E   10 100% 75°
Thursday
13 AUG 2026		 HARLAN, IA 51537 weather forecast Day 2, 0 hours 1 AM 73° 73° Mostly Cloudy 81%
RAIN
***		 0% Thunder
( 46% severe)		 E   8 100% 73°
Low 68° HARLAN, IA 51537 weather forecast Day 2, 3 hours 4 AM 71° 71° Mostly Cloudy ENE   9 100% 71°
High 81° HARLAN, IA 51537 weather forecast Day 2, 6 hours 7 AM 70° 70° Overcast 64%
RAIN
***		 0% Thunder
( 29% severe)		 ENE   10 100% 70°

Decreasing Clouds

Rain Likely

 HARLAN, IA 51537 weather forecast Day 2, 9 hours 10 AM 73° 73° Mostly Cloudy E   10 100% 73°
HARLAN, IA 51537 weather forecast Day 2, 12 hours 1 PM 78° 81° Mostly Cloudy 13%
RAIN
.01–.1 in		 0% Thunder
( 29% severe)		 E   12 91% 75°
HARLAN, IA 51537 weather forecast Day 2, 15 hours 4 PM 79° 83° Partly Cloudy E   13 88% 75°
HARLAN, IA 51537 weather forecast Day 2, 18 hours 7 PM 76° 75° Mostly Cloudy 52%
RAIN
***		 0% Thunder
( 50% severe)		 E   15 97% 75°
HARLAN, IA 51537 weather forecast Day 2, 21 hours 10 PM 72° 72° Mostly Cloudy E   15 100% 72°
Friday
14 AUG 2026		 HARLAN, IA 51537 weather forecast Day 3, 0 hours 1 AM 70° 70° Mostly Cloudy 59%
RAIN
***		 0% Thunder
( 43% severe)		 ENE   13 100% 70°
Low 66° HARLAN, IA 51537 weather forecast Day 3, 3 hours 4 AM 69° 69° Mostly Cloudy ENE   13 100% 69°
High 83° HARLAN, IA 51537 weather forecast Day 3, 6 hours 7 AM 70° 70° Mostly Cloudy 13%
RAIN
.01–.1 in		 0% Thunder
( 23% severe)		 E   13 100% 70°

Mostly Cloudy



 HARLAN, IA 51537 weather forecast Day 3, 9 hours 10 AM 73° 73° Mostly Cloudy E   13 100% 73°
HARLAN, IA 51537 weather forecast Day 3, 15 hours 1 PM 78° 81° Mostly Cloudy 5%

 0% Thunder
( 15% severe)		 E   13 91% 75°
HARLAN, IA 51537 weather forecast Day 3, 18 hours 4 PM 81° 87° Mostly Cloudy ESE   10 85% 76°
HARLAN, IA 51537 weather forecast Day 3, 21 hours 7 PM 79° 83° Mostly Cloudy     E   9 94% 77°

HARLAN, IA extended weather forecast
Saturday
15 AUG 2026		 Sunday
16 AUG 2026		 Monday
17 AUG 2026		 Tuesday
18 AUG 2026		 Wednesday
19 AUG 2026
Low 69° Low 64° Low 58° Low 62° Low 62°
High 84° High 76° High 82° High 86° High 88°
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
Overcast
48% Rain		 Overcast
63% Rain		 Partly Cloudy
23% Rain		 Partly Cloudy
21% Rain		 Partly Cloudy
26% Rain
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