Tracking Storm System Across the Eastern U.S.

A storm system will continue to produce widespread showers and thunderstorms as it progresses eastward across the central U.S. into the Northeast through the weekend. There are risks of severe thunderstorms and excessive rainfall on Saturday from the Ozarks into the mid-Mississippi River Valley with potential for damaging winds, large hail, tornadoes, and flash flooding. 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

46°F

8°C

Humidity	100%
Wind Speed	Calm
Barometer	29.70 in
Dewpoint	46°F (8°C)
Visibility	10.00 mi
Last update	18 Oct 8:35 am CDT

More Information:

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

Extended Forecast for

Portsmouth IA

Today
High: 69 °F
Sunny then
Chance
Showers and
Breezy
Tonight
Low: 38 °F
Chance
Showers and
Breezy then
Clear
Sunday
High: 61 °F
Sunny
Sunday Night
Low: 46 °F
Clear
Monday
High: 65 °F
Mostly Sunny
Monday Night
Low: 41 °F
Mostly Clear
Tuesday
High: 57 °F
Sunny
Tuesday Night
Low: 35 °F
Clear then
Areas Frost
Wednesday
High: 67 °F
Areas Frost
then Sunny

Detailed Forecast

Today

A 30 percent chance of showers, mainly after 5pm. Increasing clouds, with a high near 69. Breezy, with a light and variable wind becoming northwest 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph.

Tonight

A 30 percent chance of showers, mainly before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 38. Breezy, with a northwest wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 33 mph.

Sunday

Sunny, with a high near 61. West northwest wind 7 to 11 mph, with gusts as high as 17 mph.

Sunday Night

Clear, with a low around 46. South wind 7 to 14 mph, with gusts as high as 22 mph.

Monday

Mostly sunny, with a high near 65. South southwest wind 14 to 17 mph becoming west northwest in the afternoon. Winds could gust as high as 26 mph.

Monday Night

Mostly clear, with a low around 41. West northwest wind 10 to 13 mph, with gusts as high as 21 mph.

Tuesday

Sunny, with a high near 57. Northwest wind 13 to 15 mph, with gusts as high as 22 mph.

Tuesday Night

Areas of frost after 5am. Otherwise, clear, with a low around 35. Northwest wind around 5 mph becoming calm in the evening.