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

Hazardous Weather Conditions

Current conditions at

Harlan, Harlan Municipal Airport (KHNR)

Lat: 41.58°NLon: 95.34°WElev: 1230ft.

Fog/Mist

37°F

3°C

Humidity 100%
Wind Speed NE 5 mph
Barometer 30.12 in
Dewpoint 37°F (3°C)
Visibility 5.00 mi
Wind Chill33°F (1°C)
Last update 4 Mar 5:35 am CST
Extended Forecast for

Walnut IA

  • Overnight

    Overnight: A slight chance of drizzle. Cloudy, with a low around 35. East northeast wind around 5 mph.

    Low: 35 °F

    Slight Chance
    Drizzle

  • Wednesday

    Wednesday: A slight chance of rain before 7am, then a slight chance of rain after 5pm. Patchy fog before 9am. Otherwise, cloudy, with a high near 52. East northeast wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 20%.

    High: 52 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain, mainly between 10pm and 4am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 64. Light south southwest wind becoming south southeast 8 to 13 mph in the morning. Winds could gust as high as 18 mph.

    High: 64 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: A chance of rain before 9pm, then a chance of rain and thunderstorms between 9pm and midnight, then rain and possibly a thunderstorm after midnight. Low around 49. South southeast wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Chance
    T-storms then
    Rain

  • Friday

    Friday: Rain and possibly a thunderstorm before 9am, then rain between 9am and noon, then rain likely and possibly a thunderstorm after noon. High near 66. Breezy, with a south wind 14 to 20 mph becoming west in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 66 °F

    Rain and
    Breezy

  • Friday Night

    Friday Night: A chance of rain and thunderstorms. Mostly cloudy, with a low around 30. Northwest wind 15 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.

    Low: 30 °F

    Chance Rain
    then Slight
    Chance Rain

  • Saturday

    Saturday: Sunny, with a high near 51. Northwest wind 8 to 14 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 51 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34. South southwest wind 9 to 14 mph, with gusts as high as 21 mph.

    Low: 34 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of drizzle. Cloudy, with a low around 35. East northeast wind around 5 mph.
Wednesday
A slight chance of rain before 7am, then a slight chance of rain after 5pm. Patchy fog before 9am. Otherwise, cloudy, with a high near 52. East northeast wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 20%.
Wednesday Night
A 40 percent chance of rain, mainly between 10pm and 4am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 35. Calm wind.
Thursday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 64. Light south southwest wind becoming south southeast 8 to 13 mph in the morning. Winds could gust as high as 18 mph.
Thursday Night
A chance of rain before 9pm, then a chance of rain and thunderstorms between 9pm and midnight, then rain and possibly a thunderstorm after midnight. Low around 49. South southeast wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Rain and possibly a thunderstorm before 9am, then rain between 9am and noon, then rain likely and possibly a thunderstorm after noon. High near 66. Breezy, with a south wind 14 to 20 mph becoming west in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 30. Northwest wind 15 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Saturday
Sunny, with a high near 51. Northwest wind 8 to 14 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Mostly clear, with a low around 34. South southwest wind 9 to 14 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 65. Southwest wind 11 to 17 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 42. South southwest wind around 10 mph, with gusts as high as 16 mph.
Monday
Sunny, with a high near 73. Breezy, with a south southwest wind 11 to 21 mph.
Monday Night
A slight chance of rain and thunderstorms. Mostly clear, with a low around 46. South wind 13 to 16 mph, with gusts as high as 23 mph.
Tuesday
A chance of rain. Partly sunny, with a high near 64. Breezy, with a south wind 15 to 21 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Walnut IA
 41.48°N 95.23°W (Elev. 1348 ft)
Last Update:
4:38 am CST Mar 4, 2026
Forecast Valid:
5am CST Mar 4, 2026-6pm CDT Mar 10, 2026
 
Forecast Discussion
 
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