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

32°F

0°C

Humidity 87%
Wind Speed W 13 mph
Barometer 30.25 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 15 Apr 6:55 am CDT
Extended Forecast for

Portsmouth IA

  • Today

    Today: Sunny, with a high near 61. Breezy, with a northwest wind 11 to 18 mph, with gusts as high as 28 mph.

    High: 61 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 37. Northwest wind 5 to 8 mph becoming calm.

    Low: 37 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 73 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 52. South southeast wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    Low: 52 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. South southeast wind 14 to 17 mph, with gusts as high as 24 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 47. South wind around 14 mph becoming north after midnight. Winds could gust as high as 22 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 61. North wind 14 to 17 mph, with gusts as high as 25 mph.

    High: 61 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37. North wind 6 to 14 mph, with gusts as high as 21 mph.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 61. North northeast wind 6 to 10 mph, with gusts as high as 16 mph.

    High: 61 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 61. Breezy, with a northwest wind 11 to 18 mph, with gusts as high as 28 mph.
Tonight
Mostly clear, with a low around 37. Northwest wind 5 to 8 mph becoming calm.
Wednesday
Sunny, with a high near 73. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.
Wednesday Night
A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 52. South southeast wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. South southeast wind 14 to 17 mph, with gusts as high as 24 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 47. South wind around 14 mph becoming north after midnight. Winds could gust as high as 22 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Partly sunny, with a high near 61. North wind 14 to 17 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 37. North wind 6 to 14 mph, with gusts as high as 21 mph.
Saturday
Mostly sunny, with a high near 61. North northeast wind 6 to 10 mph, with gusts as high as 16 mph.
Saturday Night
A slight chance of showers after 1am. Partly cloudy, with a low around 42. East wind around 8 mph.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 58. East southeast wind 9 to 15 mph, with gusts as high as 22 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 39. East wind 10 to 14 mph becoming northwest after midnight. Winds could gust as high as 21 mph.
Monday
A chance of showers. Mostly sunny, with a high near 64. 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 95.53°W (Elev. 1250 ft)
Last Update:
7:06 am CDT Apr 15, 2025
Forecast Valid:
7am CDT Apr 15, 2025-6pm CDT Apr 21, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation