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.

Mostly Cloudy

57°F

14°C

Humidity 67%
Wind Speed E 8 mph
Barometer 30.12 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 14 Oct 4:15 pm CDT
Extended Forecast for

Walnut IA

  • Tonight

    Tonight: Showers likely, mainly after 4am. Cloudy, with a low around 50. East northeast wind 6 to 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Mostly Cloudy
    then Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 3pm, then showers likely. High near 58. North wind 8 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 58 °F

    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 40. Breezy, with a northwest wind 17 to 21 mph, with gusts as high as 29 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Breezy.
    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 54. Windy, with a northwest wind 17 to 25 mph, with gusts as high as 36 mph.

    High: 54 °F

    Partly Sunny
    and Windy

  • Friday Night

    Friday Night: Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 32. North wind 5 to 9 mph becoming calm in the evening.

    Low: 32 °F

    Mostly Clear
    then Frost

  • Saturday

    Saturday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 59. Light south southwest wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 18 mph.

    High: 59 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 41. South wind 9 to 13 mph, with gusts as high as 21 mph.

    Low: 41 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 65. South wind 14 to 17 mph, with gusts as high as 24 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 46. South wind 6 to 10 mph, with gusts as high as 17 mph.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers likely, mainly after 4am. Cloudy, with a low around 50. East northeast wind 6 to 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers and possibly a thunderstorm before 3pm, then showers likely. High near 58. North wind 8 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
A 30 percent chance of showers, mainly before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 40. Breezy, with a northwest wind 17 to 21 mph, with gusts as high as 29 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
Partly sunny, with a high near 54. Windy, with a northwest wind 17 to 25 mph, with gusts as high as 36 mph.
Friday Night
Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 32. North wind 5 to 9 mph becoming calm in the evening.
Saturday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 59. Light south southwest wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 18 mph.
Saturday Night
Clear, with a low around 41. South wind 9 to 13 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 65. South wind 14 to 17 mph, with gusts as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 46. South wind 6 to 10 mph, with gusts as high as 17 mph.
Monday
Mostly sunny, with a high near 69. South wind 5 to 8 mph.
Monday Night
Mostly clear, with a low around 48. South southeast wind around 6 mph.
Tuesday
Sunny, with a high near 73. South wind 6 to 14 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 54. South southeast wind around 11 mph, with gusts as high as 17 mph.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 75. South wind 11 to 16 mph, with gusts as high as 23 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Walnut IA
 41.48°N 95.23°W (Elev. 1348 ft)
Last Update:
4:05 pm CDT Oct 14, 2026
Forecast Valid:
4pm CDT Oct 14, 2026-6pm CDT Oct 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation