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

Gusty Winds in the Mid-Atlantic and Northeast; Atmospheric River to Impact the Northwest

Gusty winds are expected from portions of the Mid-Atlantic into the Northeast through the night following the system that brought rain to the area. An atmospheric river will move into the Northwest late today into Saturday bringing moderate to heavy rainfall, mountain snow, windy conditions, and high surf to the area over the weekend. Read More >

Current conditions at

Harlan, Harlan Municipal Airport (KHNR)

Lat: 41.58°NLon: 95.34°WElev: 1230ft.

Fair and Windy

54°F

12°C

Humidity 51%
Wind Speed S 28 G 35 mph
Barometer 29.95 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 2 Nov 1:15 pm CST
Extended Forecast for

Portsmouth IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 56. Breezy, with a south wind 14 to 22 mph, with gusts as high as 33 mph.

    High: 56 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 35. South wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 60. Northwest wind around 6 mph becoming calm in the afternoon.

    High: 60 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. Calm wind becoming southeast 5 to 7 mph after midnight.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 66. Southeast wind 5 to 10 mph becoming southwest in the afternoon.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39. Light and variable wind becoming north northwest 5 to 7 mph after midnight.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 60. North northwest wind 5 to 10 mph becoming east northeast in the afternoon.

    High: 60 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 37. Light and variable wind becoming south southeast 5 to 8 mph after midnight.

    Low: 37 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 62. South wind 9 to 15 mph, with gusts as high as 22 mph.

    High: 62 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 56. Breezy, with a south wind 14 to 22 mph, with gusts as high as 33 mph.
Tonight
Mostly clear, with a low around 35. South wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph.
Monday
Sunny, with a high near 60. Northwest wind around 6 mph becoming calm in the afternoon.
Monday Night
Mostly cloudy, with a low around 40. Calm wind becoming southeast 5 to 7 mph after midnight.
Tuesday
Sunny, with a high near 66. Southeast wind 5 to 10 mph becoming southwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 39. Light and variable wind becoming north northwest 5 to 7 mph after midnight.
Wednesday
Sunny, with a high near 60. North northwest wind 5 to 10 mph becoming east northeast in the afternoon.
Wednesday Night
Partly cloudy, with a low around 37. Light and variable wind becoming south southeast 5 to 8 mph after midnight.
Thursday
Partly sunny, with a high near 62. South wind 9 to 15 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 40. South southwest wind around 8 mph becoming west northwest after midnight.
Friday
Sunny, with a high near 61. West northwest wind 7 to 11 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 39. West wind 6 to 9 mph becoming south in the evening.
Saturday
Mostly sunny, with a high near 56. South southwest wind 9 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 23 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:
12:35 pm CST Nov 2, 2025
Forecast Valid:
1pm CST Nov 2, 2025-6pm CST Nov 8, 2025
 
Forecast Discussion
 
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Additional Resources

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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