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

Lingering Winter Weather in Interior New England; Snow Squalls Developing Downwind of the Lower Great Lakes

A wintry mix will continue in interior New England through tonight as a coastal storm quickly passes to the east. Heavy snow is expected in northern Maine, with a coating of ice expected for much of interior New England. Behind this storm system, lake effect snow and snow squalls will develop from the Ohio Valley to interior New England through Monday. Read More >

Current conditions at

Harlan, Harlan Municipal Airport (KHNR)

Lat: 41.58°NLon: 95.34°WElev: 1230ft.

Fair

36°F

2°C

Humidity 41%
Wind Speed SW 14 G 21 mph
Barometer 30.38 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 11 Jan 2:35 pm CST
Extended Forecast for

Portsmouth IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 35. South southwest wind 11 to 14 mph, with gusts as high as 21 mph.

    High: 35 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 25. South southwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.

    Low: 25 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 48. Calm wind becoming west southwest 5 to 7 mph in the morning.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34. Southwest wind 6 to 9 mph, with gusts as high as 16 mph.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 54. Breezy, with a west northwest wind 10 to 18 mph, with gusts as high as 29 mph.

    High: 54 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27. Blustery, with a north northwest wind 14 to 18 mph, with gusts as high as 26 mph.

    Low: 27 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Blustery

  • Wednesday

    Wednesday: Sunny, with a high near 32. Breezy, with a north wind 14 to 22 mph, with gusts as high as 30 mph.

    High: 32 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 16. North wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.

    Low: 16 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of snow after noon. Mostly cloudy, with a high near 37. South wind 5 to 14 mph, with gusts as high as 22 mph.

    High: 37 °F

    Partly Sunny
    then Slight
    Chance Snow

Detailed Forecast

This Afternoon
Sunny, with a high near 35. South southwest wind 11 to 14 mph, with gusts as high as 21 mph.
Tonight
Increasing clouds, with a low around 25. South southwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Monday
Mostly sunny, with a high near 48. Calm wind becoming west southwest 5 to 7 mph in the morning.
Monday Night
Partly cloudy, with a low around 34. Southwest wind 6 to 9 mph, with gusts as high as 16 mph.
Tuesday
Partly sunny, with a high near 54. Breezy, with a west northwest wind 10 to 18 mph, with gusts as high as 29 mph.
Tuesday Night
Mostly cloudy, with a low around 27. Blustery, with a north northwest wind 14 to 18 mph, with gusts as high as 26 mph.
Wednesday
Sunny, with a high near 32. Breezy, with a north wind 14 to 22 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 16. North wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Thursday
A slight chance of snow after noon. Mostly cloudy, with a high near 37. South wind 5 to 14 mph, with gusts as high as 22 mph.
Thursday Night
A slight chance of snow after midnight. Mostly cloudy, with a low around 26. West northwest wind 10 to 17 mph, with gusts as high as 25 mph.
Friday
A chance of snow. Mostly cloudy, with a high near 34. Breezy, with a northwest wind 17 to 22 mph, with gusts as high as 31 mph.
Friday Night
Mostly cloudy, with a low around 12. Blustery, with a north northwest wind 13 to 18 mph, with gusts as high as 26 mph.
Saturday
Partly sunny, with a high near 24. North northwest wind 13 to 16 mph, with gusts as high as 23 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Portsmouth IA
 41.65°N 95.5°W (Elev. 1319 ft)
Last Update:
2:26 pm CST Jan 11, 2026
Forecast Valid:
2pm CST Jan 11, 2026-6pm CST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation