Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. 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

34°F

1°C

Humidity	65%
Wind Speed	SW 7 mph
Barometer	30.15 in
Dewpoint	23°F (-5°C)
Visibility	10.00 mi
Wind Chill	28°F (-2°C)
Last update	30 Dec 12:35 pm CST

More Information:

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

Extended Forecast for

Portsmouth IA

This Afternoon
High: 41 °F
Sunny
Tonight
Low: 25 °F
Increasing
Clouds
Wednesday
High: 41 °F
Decreasing
Clouds
Wednesday Night
Low: 15 °F
Partly Cloudy
New Year's Day
High: 31 °F
Partly Sunny
Thursday Night
Low: 21 °F
Mostly Cloudy
Friday
High: 32 °F
Mostly Cloudy
Friday Night
Low: 18 °F
Mostly Cloudy
Saturday
High: 37 °F
Mostly Sunny

Detailed Forecast

This Afternoon

Sunny, with a high near 41. West wind 8 to 10 mph, with gusts as high as 17 mph.

Tonight

Increasing clouds, with a low around 25. Northwest wind 6 to 9 mph, with gusts as high as 17 mph.

Wednesday

Cloudy, then gradually becoming mostly sunny, with a high near 41. West northwest wind 5 to 11 mph becoming north northeast in the afternoon. Winds could gust as high as 18 mph.

Wednesday Night

Partly cloudy, with a low around 15. North northeast wind 5 to 8 mph becoming calm after midnight.

New Year's Day

Partly sunny, with a high near 31. Calm wind becoming south 5 to 8 mph in the morning.

Thursday Night

Mostly cloudy, with a low around 21. South wind around 6 mph becoming light and variable in the evening.

Friday

Mostly cloudy, with a high near 32. Northeast wind 3 to 7 mph.

Friday Night

Mostly cloudy, with a low around 18. Northeast wind around 5 mph becoming calm in the evening.

Saturday

Mostly sunny, with a high near 37. Calm wind becoming south 5 to 9 mph in the morning.