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

Harlan, Harlan Municipal Airport (KHNR)

Lat: 41.58°NLon: 95.34°WElev: 1230ft.

Fair

75°F

24°C

Humidity 50%
Wind Speed S 8 mph
Barometer 29.77 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 11 Oct 8:15 pm CDT
Extended Forecast for

Irwin IA

  • Tonight

    Tonight: Mostly clear, with a low around 68. South wind 9 to 13 mph, with gusts as high as 24 mph.

    Low: 68 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 88. South southwest wind 10 to 15 mph, with gusts as high as 24 mph.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. West southwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers after 1pm. Sunny, with a high near 76. Calm wind becoming north northeast around 6 mph in the morning.

    High: 76 °F

    Sunny then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 53. North northeast wind 5 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 68. North northeast wind around 9 mph, with gusts as high as 16 mph.

    High: 68 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 52. East northeast wind 6 to 8 mph. Chance of precipitation is 50%.

    Low: 52 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 64. East northeast wind 7 to 9 mph becoming north in the afternoon. Winds could gust as high as 16 mph.

    High: 64 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A slight chance of showers before 1am. Mostly cloudy, with a low around 45. Northwest wind 8 to 15 mph, with gusts as high as 24 mph.

    Low: 45 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 68. South wind 9 to 13 mph, with gusts as high as 24 mph.
Columbus Day
Sunny, with a high near 88. South southwest wind 10 to 15 mph, with gusts as high as 24 mph.
Monday Night
Mostly clear, with a low around 57. West southwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph.
Tuesday
A 20 percent chance of showers after 1pm. Sunny, with a high near 76. Calm wind becoming north northeast around 6 mph in the morning.
Tuesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 53. North northeast wind 5 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 68. North northeast wind around 9 mph, with gusts as high as 16 mph.
Wednesday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 52. East northeast wind 6 to 8 mph. Chance of precipitation is 50%.
Thursday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 64. East northeast wind 7 to 9 mph becoming north in the afternoon. Winds could gust as high as 16 mph.
Thursday Night
A slight chance of showers before 1am. Mostly cloudy, with a low around 45. Northwest wind 8 to 15 mph, with gusts as high as 24 mph.
Friday
Mostly sunny, with a high near 57. Breezy, with a north northwest wind 16 to 21 mph, with gusts as high as 32 mph.
Friday Night
Mostly clear, with a low around 34. North northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Saturday
Sunny, with a high near 58. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 41. South wind 6 to 13 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 66. South southwest wind 14 to 16 mph, with gusts as high as 28 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Irwin IA
 41.79°N 95.21°W (Elev. 1247 ft)
Last Update:
7:35 pm CDT Oct 11, 2026
Forecast Valid:
8pm CDT Oct 11, 2026-6pm CDT Oct 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation