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.

A Few Clouds

15°C

59°F

Humidity 100%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 15°C (59°F)
Visibility 16 km
Last update 2 Jun 2:15 am CDT
Extended Forecast for

Portsmouth IA

  • Overnight

    Overnight: A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 15. East southeast wind 3 to 8 km/h.

    Low: 15 °C

    Slight Chance
    Showers

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 26. South southeast wind 13 to 18 km/h increasing to 22 to 27 km/h in the afternoon. Winds could gust as high as 37 km/h. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    High: 26 °C

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 17. South southeast wind 16 to 24 km/h, with gusts as high as 45 km/h. Chance of precipitation is 80%. New rainfall amounts between 2 and 3 cm possible.

    Low: 17 °C

    T-storms

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 28. South wind around 11 km/h. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    High: 28 °C

    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 18. South southeast wind 8 to 10 km/h. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    Low: 18 °C

    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 28. South southwest wind 10 to 18 km/h, with gusts as high as 32 km/h. Chance of precipitation is 70%. New rainfall amounts between 2.5 and 5 mm possible.

    High: 28 °C

    Slight Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 13. Northwest wind 8 to 16 km/h, with gusts as high as 27 km/h.

    Low: 13 °C

    Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 27. West wind 10 to 15 km/h increasing to 19 to 24 km/h in the afternoon. Winds could gust as high as 37 km/h.

    High: 27 °C

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 13. Northwest wind 11 to 16 km/h, with gusts as high as 32 km/h.

    Low: 13 °C

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 15. East southeast wind 3 to 8 km/h.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 26. South southeast wind 13 to 18 km/h increasing to 22 to 27 km/h in the afternoon. Winds could gust as high as 37 km/h. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Sunday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 17. South southeast wind 16 to 24 km/h, with gusts as high as 45 km/h. Chance of precipitation is 80%. New rainfall amounts between 2 and 3 cm possible.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 28. South wind around 11 km/h. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 18. South southeast wind 8 to 10 km/h. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Tuesday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 28. South southwest wind 10 to 18 km/h, with gusts as high as 32 km/h. Chance of precipitation is 70%. New rainfall amounts between 2.5 and 5 mm possible.
Tuesday Night
A 50 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 13. Northwest wind 8 to 16 km/h, with gusts as high as 27 km/h.
Wednesday
Sunny, with a high near 27. West wind 10 to 15 km/h increasing to 19 to 24 km/h in the afternoon. Winds could gust as high as 37 km/h.
Wednesday Night
Mostly clear, with a low around 13. Northwest wind 11 to 16 km/h, with gusts as high as 32 km/h.
Thursday
Sunny, with a high near 24. Breezy, with a northwest wind 16 to 21 km/h increasing to 27 to 32 km/h in the afternoon. Winds could gust as high as 47 km/h.
Thursday Night
Clear, with a low around 12. Northwest wind 18 to 23 km/h decreasing to 11 to 16 km/h after midnight. Winds could gust as high as 37 km/h.
Friday
Sunny, with a high near 25. Northwest wind 13 to 18 km/h increasing to 19 to 24 km/h in the afternoon. Winds could gust as high as 35 km/h.
Friday Night
Mostly clear, with a low around 11. North northwest wind 8 to 16 km/h, with gusts as high as 29 km/h.
Saturday
Sunny, with a high near 26. Northwest wind 10 to 18 km/h, with gusts as high as 29 km/h.
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ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth IA
 41.65°N 95.53°W (Elev. 1250 m)
Last Update:
2:20 am CDT Jun 2, 2024
Forecast Valid:
2am CDT Jun 2, 2024-6pm CDT Jun 8, 2024
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation