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.

Fair

72°F

22°C

Humidity 31%
Wind Speed Calm
Barometer 29.63 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 9 Mar 4:35 pm CDT
Extended Forecast for

6 Miles W Portsmouth IA

  • Tonight

    Tonight: Mostly clear, with a low around 40. Northeast wind 5 to 8 mph becoming southeast after midnight.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 63. Northeast wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 63 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 34. North wind 11 to 15 mph, with gusts as high as 23 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Partly Cloudy
    then Chance
    Rain

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 49. Breezy, with a north northwest wind 16 to 18 mph, with gusts as high as 28 mph.

    High: 49 °F

    Gradual
    Clearing and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 27. Northwest wind 6 to 11 mph becoming light and variable. Winds could gust as high as 17 mph.

    Low: 27 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 62. Breezy, with a south southwest wind 8 to 13 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 62 °F

    Partly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 34. South southwest wind 14 to 16 mph becoming northwest after midnight. Winds could gust as high as 24 mph.

    Low: 34 °F

    Slight Chance
    Rain

  • Friday

    Friday: Mostly cloudy, with a high near 51. North northwest wind around 10 mph, with gusts as high as 18 mph.

    High: 51 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A slight chance of rain and snow after 1am. Mostly cloudy, with a low around 35. East southeast wind 7 to 10 mph, with gusts as high as 17 mph.

    Low: 35 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 40. Northeast wind 5 to 8 mph becoming southeast after midnight.
Tuesday
Mostly sunny, with a high near 63. Northeast wind 8 to 13 mph, with gusts as high as 20 mph.
Tuesday Night
A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 34. North wind 11 to 15 mph, with gusts as high as 23 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 49. Breezy, with a north northwest wind 16 to 18 mph, with gusts as high as 28 mph.
Wednesday Night
Mostly clear, with a low around 27. Northwest wind 6 to 11 mph becoming light and variable. Winds could gust as high as 17 mph.
Thursday
Partly sunny, with a high near 62. Breezy, with a south southwest wind 8 to 13 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 33 mph.
Thursday Night
A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 34. South southwest wind 14 to 16 mph becoming northwest after midnight. Winds could gust as high as 24 mph.
Friday
Mostly cloudy, with a high near 51. North northwest wind around 10 mph, with gusts as high as 18 mph.
Friday Night
A slight chance of rain and snow after 1am. Mostly cloudy, with a low around 35. East southeast wind 7 to 10 mph, with gusts as high as 17 mph.
Saturday
Mostly cloudy, with a high near 63. Southeast wind 10 to 13 mph, with gusts as high as 18 mph.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. Blustery, with an east wind 10 to 18 mph becoming north northwest after midnight. Winds could gust as high as 26 mph.
Sunday
A slight chance of rain and snow. Mostly cloudy, with a high near 41. Breezy, with a north northwest wind 18 to 24 mph, with gusts as high as 34 mph.
Sunday Night
Mostly cloudy, with a low around 17. Blustery, with a north wind 10 to 20 mph, with gusts as high as 26 mph.
Monday
Partly sunny, with a high near 36. North northwest wind 9 to 11 mph, with gusts as high as 17 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles W Portsmouth IA
 41.65°N 95.61°W (Elev. 1306 ft)
Last Update:
4:35 pm CDT Mar 9, 2026
Forecast Valid:
4pm CDT Mar 9, 2026-6pm CDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation