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

HARLAN, IA
Current Weather
6:35 PM CDT MAY 14, 2026
Clear
77°F
Feels Like: 78°F
Dewpoint: 43°F
Rel. Hum.: 30%
Visibility: 10 miles
Wind: S at 25 mph
Pressure: 29.73 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)
  51537 WEATHER FORECAST
10-Day model forecast maps
2025 Hurricanes

HARLAN, IA 51537
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly cloudy with a slight chance of showers and thunderstorms this evening, then mostly clear after midnight. Lows in the mid 50s. South winds 15 to 20 mph with gusts up to 30 mph, becoming southeast 5 to 10 mph with gusts up to 20 mph after midnight. Chance of rain 20 percent.
FRIDAY
Sunny, warmer with highs in the lower 90s. Southeast winds 5 to 10 mph.
FRIDAY NIGHT
Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly cloudy after midnight. Lows in the upper 50s. Southeast winds 5 to 10 mph, becoming east after midnight. Chance of rain 50 percent.
SATURDAY
Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. East winds 10 to 15 mph. Chance of rain 50 percent.
SATURDAY NIGHT
A chance of thunderstorms. Showers. Lows around 60. Southeast winds 10 to 15 mph. Chance of rain 80 percent.
SUNDAY
Mostly sunny. A chance of showers and thunderstorms, mainly in the morning. Windy, hot with highs around 90. Chance of rain 50 percent.
SUNDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms. A chance of showers. Windy with lows in the lower 60s. Chance of rain 50 percent.
MONDAY
Mostly cloudy in the morning, then becoming partly sunny. A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Windy with highs in the upper 80s. Chance of rain 70 percent.
MONDAY NIGHT
Showers likely with a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Windy, cooler with lows in the lower 50s. Chance of rain 70 percent.
TUESDAY
Partly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Not as warm with highs in the upper 60s. Chance of rain 20 percent.
TUESDAY NIGHT
Partly cloudy. A slight chance of showers in the evening. Lows in the lower 40s. Chance of rain 20 percent.
WEDNESDAY
Partly sunny. Highs in the upper 60s.
WEDNESDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of thunderstorms in the evening. A slight chance of showers. Lows in the upper 40s. Chance of rain 20 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  5/14/2026
Thursday
14 MAY 2026		 HARLAN, IA 51537 weather forecast Day 1, 12 hours 1 PM 73° 73° Mostly Cloudy 5%

 0% Thunder
( 10% severe)		 S   25 31% 41°
High 78° HARLAN, IA 51537 weather forecast Day 1, 15 hours 4 PM 77° 78° Mostly Cloudy S   25 29% 42°
Mostly Cloudy




Windy		 HARLAN, IA 51537 weather forecast Day 1, 18 hours 7 PM 76° 77° Mostly Cloudy 3%

 0% Thunder
( 22% severe)		 S   20 33% 45°
HARLAN, IA 51537 weather forecast Day 1, 21 hours 10 PM 67° 67° Mostly Cloudy SSE   14 49% 47°
Friday
15 MAY 2026		 HARLAN, IA 51537 weather forecast Day 2, 0 hours 1 AM 63° 62° Partly Cloudy 2%

 0% Thunder
( 12% severe)		 SSE   12 65% 51°
Low 55° HARLAN, IA 51537 weather forecast Day 2, 3 hours 4 AM 59° 58° Partly Cloudy SSE   6 80% 53°
High 91° HARLAN, IA 51537 weather forecast Day 2, 6 hours 7 AM 58° 59° Partly Cloudy 1%

 0% Thunder
( 7% severe)		 ESE   2 90% 55°

Clear



 HARLAN, IA 51537 weather forecast Day 2, 9 hours 10 AM 73° 73° Clear ENE   6 62% 59°
HARLAN, IA 51537 weather forecast Day 2, 12 hours 1 PM 83° 82° Clear 7%

 0% Thunder
( 17% severe)		 ESE   9 41% 57°
HARLAN, IA 51537 weather forecast Day 2, 15 hours 4 PM 89° 87° Clear SE   9 32% 55°
HARLAN, IA 51537 weather forecast Day 2, 18 hours 7 PM 86° 84° Partly Cloudy 54%
RAIN
***		 0% Thunder
( 52% severe)		 SSE   8 34% 54°
HARLAN, IA 51537 weather forecast Day 2, 21 hours 10 PM 70° 70° Mostly Cloudy SSE   7 57% 54°
Saturday
16 MAY 2026		 HARLAN, IA 51537 weather forecast Day 3, 0 hours 1 AM 63° 64° Mostly Cloudy 5%

 0% Thunder
( 27% severe)		 S   5 72% 54°
Low 57° HARLAN, IA 51537 weather forecast Day 3, 3 hours 4 AM 59° 58° Mostly Cloudy ENE   6 80% 53°
High 86° HARLAN, IA 51537 weather forecast Day 3, 6 hours 7 AM 59° 58° Partly Cloudy 4%

 0% Thunder
( 19% severe)		 E   7 78% 52°

Mostly Cloudy

Chance of Rain

 HARLAN, IA 51537 weather forecast Day 3, 9 hours 10 AM 72° 72° Partly Cloudy E   12 53% 54°
HARLAN, IA 51537 weather forecast Day 3, 15 hours 1 PM 80° 80° Mostly Cloudy 32%
RAIN
1–2 in		 0% Thunder
( 28% severe)		 E   14 38% 52°
HARLAN, IA 51537 weather forecast Day 3, 18 hours 4 PM 83° 82° Mostly Cloudy E   15 36% 53°
HARLAN, IA 51537 weather forecast Day 3, 21 hours 7 PM 79° 79° Partly Cloudy     E   14 42% 54°

HARLAN, IA extended weather forecast
Sunday
17 MAY 2026		 Monday
18 MAY 2026		 Tuesday
19 MAY 2026		 Wednesday
20 MAY 2026		 Thursday
21 MAY 2026
Low 62° Low 59° Low 41° Low 48° Low 48°
High 83° High 67° High 67° High 66° High 67°
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
70% Rain		 Overcast
82% Rain		 Mostly Cloudy
37% Rain		 Overcast
41% Rain		 Overcast
55% Rain
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