National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Hazardous Weather This Weekend

A series of cold fronts from North Pacific storms will bring periods of gusty winds, low elevation rainfall, and high elevation snow to the Pacific Northwest this weekend into next week. Heavy to excessive rainfall may produce areas of flooding over southern Texas this weekend. Read More >

Current conditions at

Harlan, Harlan Municipal Airport (KHNR)

Lat: 41.58°NLon: 95.34°WElev: 1230ft.

Fair

45°F

7°C

Humidity 61%
Wind Speed Calm
Barometer 30.24 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 6 Nov 1:35 pm CST
Extended Forecast for

Portsmouth IA

  • This Afternoon

    This Afternoon: Cloudy, with a high near 46. Calm wind.

    High: 46 °F

    Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 32 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 56. South southwest wind 5 to 9 mph.

    High: 56 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 37. Southwest wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 59. Light and variable wind.

    High: 59 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39. Calm wind becoming south around 6 mph after midnight.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 64. South wind 5 to 10 mph becoming west northwest in the afternoon.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 38. Light north northwest wind.

    Low: 38 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 59. Calm wind.

    High: 59 °F

    Sunny

Detailed Forecast

This Afternoon
Cloudy, with a high near 46. Calm wind.
Tonight
Mostly cloudy, with a low around 32. Calm wind becoming south southwest around 5 mph after midnight.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 56. South southwest wind 5 to 9 mph.
Saturday Night
Increasing clouds, with a low around 37. Southwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 59. Light and variable wind.
Sunday Night
Mostly clear, with a low around 39. Calm wind becoming south around 6 mph after midnight.
Monday
Sunny, with a high near 64. South wind 5 to 10 mph becoming west northwest in the afternoon.
Monday Night
Clear, with a low around 38. Light north northwest wind.
Tuesday
Sunny, with a high near 59. Calm wind.
Tuesday Night
Partly cloudy, with a low around 39. Calm wind.
Veterans Day
Sunny, with a high near 57. Calm wind becoming north northwest 5 to 7 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 37. Light north wind.
Thursday
Mostly sunny, with a high near 55. Calm wind becoming north around 6 mph in the morning.
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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:
12:35 pm CST Nov 6, 2026
Forecast Valid:
1pm CST Nov 6, 2026-6pm CST Nov 12, 2026
 
Forecast Discussion
 
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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