Hazardous Weather Conditions

Current conditions at

Harlan, Harlan Municipal Airport (KHNR)

Lat: 41.58°NLon: 95.34°WElev: 1230ft.

A Few Clouds with Haze

-4°F

-20°C

Humidity 77%
Wind Speed E 6 mph
Barometer 30.62 in
Dewpoint -9°F (-23°C)
Visibility 4.00 mi
Wind Chill-17°F (-27°C)
Last update 24 Jan 5:35 am CST
Extended Forecast for

Portsmouth IA

  • Overnight

    Overnight: A 20 percent chance of snow.  Cloudy, with a low around -4. Calm wind.

    Low: -4 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: A slight chance of snow before 8am, then a chance of flurries between 8am and 11am.  Cloudy and cold, with a high near 6. Wind chill values as low as -12. Light and variable wind becoming southeast around 5 mph.  Chance of precipitation is 20%.

    High: 6 °F

    Slight Chance
    Snow then
    Cloudy

  • Saturday Night

    Saturday Night: Cloudy, then gradually becoming partly cloudy, with a low around -3. Light south southeast wind.

    Low: -3 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 15. Calm wind becoming north 5 to 8 mph in the afternoon.

    High: 15 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -5. North northwest wind 5 to 8 mph.

    Low: -5 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 21. West northwest wind 5 to 14 mph becoming south southwest in the afternoon. Winds could gust as high as 21 mph.

    High: 21 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 11. South southwest wind 8 to 11 mph becoming northwest after midnight. Winds could gust as high as 20 mph.

    Low: 11 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 26. North northwest wind 7 to 11 mph, with gusts as high as 18 mph.

    High: 26 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 6. North northwest wind 3 to 6 mph.

    Low: 6 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of snow. Cloudy, with a low around -4. Calm wind.
Saturday
A slight chance of snow before 8am, then a chance of flurries between 8am and 11am. Cloudy and cold, with a high near 6. Wind chill values as low as -12. Light and variable wind becoming southeast around 5 mph. Chance of precipitation is 20%.
Saturday Night
Cloudy, then gradually becoming partly cloudy, with a low around -3. Light south southeast wind.
Sunday
Mostly sunny, with a high near 15. Calm wind becoming north 5 to 8 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around -5. North northwest wind 5 to 8 mph.
Monday
Sunny, with a high near 21. West northwest wind 5 to 14 mph becoming south southwest in the afternoon. Winds could gust as high as 21 mph.
Monday Night
Mostly clear, with a low around 11. South southwest wind 8 to 11 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 26. North northwest wind 7 to 11 mph, with gusts as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around 6. North northwest wind 3 to 6 mph.
Wednesday
Partly sunny, with a high near 25. West wind 5 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 2. North wind 7 to 10 mph, with gusts as high as 16 mph.
Thursday
Mostly sunny, with a high near 20. North wind 7 to 10 mph, with gusts as high as 16 mph.
Thursday Night
Partly cloudy, with a low around 3. Northeast wind around 7 mph.
Friday
Partly sunny, with a high near 21. Northeast wind 6 to 9 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth IA
 41.65°N 95.5°W (Elev. 1319 ft)
4:46 am CST Jan 24, 2026
5am CST Jan 24, 2026-6pm CST Jan 30, 2026
 
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Additional Resources

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