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

-9°F

-23°C

Humidity 70%
Wind Speed NW 9 mph
Barometer 30.62 in
Dewpoint -17°F (-27°C)
Visibility 10.00 mi
Wind Chill-26°F (-32°C)
Last update 19 Feb 8:55 pm CST
Extended Forecast for

Portsmouth IA

Extreme Cold Warning until February 20, 09:00am
Click here for hazard details and duration
Extreme Cold Warning
  •  
    Extreme Cold Warning until February 20, 09:00am

    NOW until 9:00am Thu

    Extreme Cold Warning

  • Tonight

    Low: -19 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and cold, with a high near 6. Wind chill values as low as -31. Northwest wind around 6 mph becoming calm in the afternoon.

    High: 6 °F

    Cold

  • Thursday Night

    Thursday Night: Mostly clear, with a low around -15. Wind chill values as low as -24. Light and variable wind.

    Low: -15 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 14. Wind chill values as low as -23. Light south wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph.

    High: 14 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 5. South southwest wind 7 to 9 mph, with gusts as high as 16 mph.

    Low: 5 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 28. South southwest wind 7 to 9 mph.

    High: 28 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 18. South southwest wind around 6 mph.

    Low: 18 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 38. West southwest wind 6 to 9 mph.

    High: 38 °F

    Mostly Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around -19. Wind chill values as low as -30. North northwest wind around 6 mph.
Thursday
Sunny and cold, with a high near 6. Wind chill values as low as -31. Northwest wind around 6 mph becoming calm in the afternoon.
Thursday Night
Mostly clear, with a low around -15. Wind chill values as low as -24. Light and variable wind.
Friday
Sunny, with a high near 14. Wind chill values as low as -23. Light south wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph.
Friday Night
Mostly clear, with a low around 5. South southwest wind 7 to 9 mph, with gusts as high as 16 mph.
Saturday
Sunny, with a high near 28. South southwest wind 7 to 9 mph.
Saturday Night
Partly cloudy, with a low around 18. South southwest wind around 6 mph.
Sunday
Mostly sunny, with a high near 38. West southwest wind 6 to 9 mph.
Sunday Night
Partly cloudy, with a low around 29. West wind 6 to 8 mph.
Monday
Mostly sunny, with a high near 46. West wind 8 to 11 mph, with gusts as high as 18 mph.
Monday Night
Partly cloudy, with a low around 32. West wind around 8 mph.
Tuesday
Sunny, with a high near 48. Northwest wind 8 to 10 mph.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 32. West northwest wind 7 to 9 mph becoming south after midnight.
Wednesday
A chance of rain. Partly sunny, with a high near 49. North northwest wind 9 to 16 mph, with gusts as high as 23 mph.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth IA
 41.65°N 95.53°W (Elev. 1250 ft)
Last Update:
9:05 pm CST Feb 19, 2025
Forecast Valid:
9pm CST Feb 19, 2025-6pm CST Feb 26, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation