Frigid Airmass to Bring Significantly Colder Temperatures; Snow Continues Downwind of the Great Lakes

A frigid cold airmass will bring significantly colder weather across the eastern two thirds of the country early this week. Record low temperatures are expected in the Southeast by Tuesday morning. Moderate to heavy lake effect snow will continue downwind of the Great Lakes through Monday. Several inches of snow accumulation is expected, including in portions of the Chicago Metro Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Harlan, Harlan Municipal Airport (KHNR)

Lat: 41.58°NLon: 95.34°WElev: 1230ft.

Fair

18°F

-8°C

Humidity	86%
Wind Speed	NW 10 mph
Barometer	30.49 in
Dewpoint	14°F (-10°C)
Visibility	10.00 mi
Wind Chill	6°F (-14°C)
Last update	10 Nov 4:35 am CST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Portsmouth IA

Today
High: 34 °F
Sunny
Tonight
Low: 24 °F
Increasing
Clouds
Veterans Day
High: 57 °F
Gradual
Clearing
Tuesday Night
Low: 32 °F
Mostly Clear
Wednesday
High: 55 °F
Sunny
Wednesday Night
Low: 36 °F
Partly Cloudy
Thursday
High: 61 °F
Mostly Sunny
Thursday Night
Low: 42 °F
Mostly Clear
Friday
High: 65 °F
Partly Sunny

Detailed Forecast

Today

Sunny, with a high near 34. North northwest wind around 6 mph becoming south southwest in the afternoon.

Tonight

Increasing clouds, with a low around 24. South southwest wind 5 to 14 mph, with gusts as high as 22 mph.

Veterans Day

Cloudy through mid morning, then gradual clearing, with a high near 57. South southwest wind 6 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

Tuesday Night

Mostly clear, with a low around 32. West northwest wind around 5 mph.

Wednesday

Sunny, with a high near 55. Northwest wind 3 to 8 mph.

Wednesday Night

Partly cloudy, with a low around 36. Calm wind becoming south southeast around 6 mph after midnight.

Thursday

Mostly sunny, with a high near 61. South wind 6 to 11 mph, with gusts as high as 17 mph.

Thursday Night

Mostly clear, with a low around 42. South southeast wind around 6 mph.

Friday

Partly sunny, with a high near 65. South southeast wind 6 to 14 mph, with gusts as high as 21 mph.

Friday Night

Mostly cloudy, with a low around 53. South wind 10 to 13 mph, with gusts as high as 21 mph.

Saturday

A slight chance of rain. Mostly cloudy, with a high near 64. South wind 10 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 21 mph.

Saturday Night

A chance of rain. Mostly cloudy, with a low around 37. West southwest wind 9 to 11 mph becoming north northwest in the evening. Winds could gust as high as 18 mph.

Sunday

A chance of rain. Partly sunny, with a high near 49. North northwest wind 11 to 15 mph, with gusts as high as 22 mph.