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Hazardous Weather Conditions

Current conditions at

Harlan, Harlan Municipal Airport (KHNR)

Lat: 41.58°NLon: 95.34°WElev: 1230ft.

Fair

23°F

-5°C

Humidity 80%
Wind Speed N 14 mph
Barometer 29.62 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 19 Feb 3:55 am CST
Extended Forecast for

Portsmouth IA

Winter Weather Advisory February 19, 12:00pm until February 20, 06:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: Snow, mainly after 4pm. High near 41. Breezy, with a northeast wind 15 to 20 mph becoming north northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 2 inches possible.

    High: 41 °F

    Breezy.
    Chance Snow
    then Snow

  • Tonight

    Tonight: Snow, mainly before midnight. Patchy blowing snow between 10pm and 11pm. Low around 16. Blustery, with a northwest wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 16 °F

    Snow and
    Patchy
    Blowing Snow
    then Chance
    Snow

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 29. West northwest wind 7 to 14 mph, with gusts as high as 22 mph.

    High: 29 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 11. North northwest wind 3 to 5 mph.

    Low: 11 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 30. North northwest wind 5 to 11 mph, with gusts as high as 18 mph.

    High: 30 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 10. Northwest wind 6 to 10 mph, with gusts as high as 17 mph.

    Low: 10 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 27. North northwest wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 27 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 4. Northwest wind 5 to 9 mph becoming light north after midnight.

    Low: 4 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 28. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 28 °F

    Sunny

Detailed Forecast

Today
Snow, mainly after 4pm. High near 41. Breezy, with a northeast wind 15 to 20 mph becoming north northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Snow, mainly before midnight. Patchy blowing snow between 10pm and 11pm. Low around 16. Blustery, with a northwest wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 29. West northwest wind 7 to 14 mph, with gusts as high as 22 mph.
Friday Night
Mostly cloudy, with a low around 11. North northwest wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 30. North northwest wind 5 to 11 mph, with gusts as high as 18 mph.
Saturday Night
Mostly clear, with a low around 10. Northwest wind 6 to 10 mph, with gusts as high as 17 mph.
Sunday
Sunny, with a high near 27. North northwest wind 10 to 14 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 4. Northwest wind 5 to 9 mph becoming light north after midnight.
Monday
Sunny, with a high near 28. Calm wind becoming north northwest around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 16. South wind 6 to 13 mph, with gusts as high as 21 mph.
Tuesday
Partly sunny, with a high near 51. South wind 11 to 15 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly cloudy, with a low around 29. South wind 8 to 10 mph becoming west after midnight. Winds could gust as high as 17 mph.
Wednesday
Partly sunny, with a high near 51. Northwest wind 8 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:
Portsmouth IA
 41.65°N 95.5°W (Elev. 1319 ft)
Last Update:
3:35 am CST Feb 19, 2026
Forecast Valid:
4am CST Feb 19, 2026-6pm CST Feb 25, 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