National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Current conditions at

Harlan, Harlan Municipal Airport (KHNR)

Lat: 41.58°NLon: 95.34°WElev: 1230ft.

Fair

43°F

6°C

Humidity 76%
Wind Speed S 12 mph
Barometer 30.26 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 18 Oct 3:35 am CDT
Extended Forecast for

Harlan IA

  • Overnight

    Overnight: Clear, with a low around 38. South wind around 13 mph, with gusts as high as 22 mph.

    Low: 38 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 64. South wind 13 to 17 mph, with gusts as high as 29 mph.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40. South wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 64. South wind 5 to 9 mph.

    High: 64 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. South southeast wind around 5 mph becoming calm in the evening.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 67. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 16 mph.

    High: 67 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 49. South wind around 5 mph.

    Low: 49 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 72. South wind 3 to 8 mph.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 38. South wind around 13 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 64. South wind 13 to 17 mph, with gusts as high as 29 mph.
Sunday Night
Mostly clear, with a low around 40. South wind 6 to 10 mph, with gusts as high as 18 mph.
Monday
Mostly sunny, with a high near 64. South wind 5 to 9 mph.
Monday Night
Mostly clear, with a low around 41. South southeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 67. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 16 mph.
Tuesday Night
Partly cloudy, with a low around 49. South wind around 5 mph.
Wednesday
Sunny, with a high near 72. South wind 3 to 8 mph.
Wednesday Night
Mostly clear, with a low around 50. Calm wind.
Thursday
Sunny, with a high near 78. Calm wind becoming south southeast around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 54. Southeast wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 78. South southeast wind 8 to 16 mph, with gusts as high as 24 mph.
Friday Night
Mostly cloudy, with a low around 57. South southeast wind 13 to 15 mph, with gusts as high as 24 mph.
Saturday
A slight chance of showers. Partly sunny, with a high near 76. South wind 11 to 14 mph, with gusts as high as 22 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harlan IA
 41.66°N 95.29°W (Elev. 1230 ft)
Last Update:
1:35 am CDT Oct 18, 2026
Forecast Valid:
3am CDT Oct 18, 2026-6pm CDT Oct 24, 2026
 
Forecast Discussion
 
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Additional Resources

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