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Hazardous Weather Conditions

Current conditions at

Harlan, Harlan Municipal Airport (KHNR)

Lat: 41.58°NLon: 95.34°WElev: 1230ft.

Fair

34°F

1°C

Humidity 81%
Wind Speed NE 8 mph
Barometer 30.02 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 28 Feb 12:15 am CST
Extended Forecast for

Portsmouth IA

  • Overnight

    Overnight: Mostly cloudy, with a low around 26. East northeast wind 8 to 11 mph.

    Low: 26 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy through mid morning, then gradual clearing, with a high near 45. East wind 9 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 45 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 16. Northeast wind 8 to 10 mph, with gusts as high as 16 mph.

    Low: 16 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A 30 percent chance of snow, mainly after noon. Cloudy, with a high near 31. East wind around 10 mph, with gusts as high as 16 mph.

    High: 31 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 22. Southeast wind 6 to 8 mph.

    Low: 22 °F

    Slight Chance
    Snow

  • Monday

    Monday: A chance of rain and snow between noon and 3pm, then a chance of rain after 3pm. Cloudy, with a high near 39. South southeast wind 7 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 39 °F

    Cloudy then
    Chance
    Rain/Snow

  • Monday Night

    Monday Night: Rain. Low around 30. Southeast wind 5 to 9 mph. Chance of precipitation is 80%.

    Low: 30 °F

    Rain

  • Tuesday

    Tuesday: A chance of rain, mainly before noon. Mostly cloudy, with a high near 47. Northeast wind 5 to 9 mph.

    High: 47 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain, mainly after midnight. Partly cloudy, with a low around 30. East northeast wind 5 to 7 mph.

    Low: 30 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 26. East northeast wind 8 to 11 mph.
Saturday
Mostly cloudy through mid morning, then gradual clearing, with a high near 45. East wind 9 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 21 mph.
Saturday Night
Increasing clouds, with a low around 16. Northeast wind 8 to 10 mph, with gusts as high as 16 mph.
Sunday
A 30 percent chance of snow, mainly after noon. Cloudy, with a high near 31. East wind around 10 mph, with gusts as high as 16 mph.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 22. Southeast wind 6 to 8 mph.
Monday
A chance of rain and snow between noon and 3pm, then a chance of rain after 3pm. Cloudy, with a high near 39. South southeast wind 7 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Monday Night
Rain. Low around 30. Southeast wind 5 to 9 mph. Chance of precipitation is 80%.
Tuesday
A chance of rain, mainly before noon. Mostly cloudy, with a high near 47. Northeast wind 5 to 9 mph.
Tuesday Night
A chance of rain, mainly after midnight. Partly cloudy, with a low around 30. East northeast wind 5 to 7 mph.
Wednesday
A chance of rain. Partly sunny, with a high near 48. East northeast wind 6 to 9 mph becoming southeast in the afternoon.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 35. East wind 5 to 7 mph becoming south after midnight.
Thursday
A slight chance of rain. Partly sunny, with a high near 61. South wind 5 to 11 mph, with gusts as high as 17 mph.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 35. South southeast wind around 9 mph becoming north after midnight.
Friday
A chance of rain. Mostly cloudy, with a high near 50. North northwest wind 9 to 13 mph, with gusts as high as 20 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth IA
 41.65°N 95.5°W (Elev. 1319 ft)
Last Update:
12:05 am CST Feb 28, 2026
Forecast Valid:
12am CST Feb 28, 2026-6pm CST Mar 6, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation