Hazardous Weather Conditions
Current conditions at
Harlan, Harlan Municipal Airport (KHNR)
Lat: 41.58°NLon: 95.34°WElev: 1230ft.
Fair
10°F
-12°C
| Humidity | 72% |
| Wind Speed | Calm |
| Barometer | 30.20 in |
| Dewpoint | 3°F (-16°C) |
| Visibility | 10.00 mi |
| Last update | 17 Mar 4:55 am CDT |
Extended Forecast for
Portsmouth IA
Today
High: 32 °F
Partly Sunny
then Chance
Snow/SleetTonight
Low: 29 °F
Chance Snow
then Partly
CloudyWednesday
High: 60 °F
Mostly Sunny
Wednesday Night
Low: 39 °F
Mostly Cloudy
Thursday
High: 69 °F
Sunny
Thursday Night
Low: 44 °F
Partly Cloudy
Friday
High: 76 °F
Mostly Sunny
Friday Night
Low: 46 °F
Partly Cloudy
Saturday
High: 81 °F
Sunny
Detailed Forecast
Today
A chance of snow between noon and 5pm, then a chance of sleet after 5pm. Increasing clouds, with a high near 32. Light south southwest wind becoming south 12 to 17 mph in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A 30 percent chance of snow, mainly before 7pm. Cloudy during the early evening, then gradual clearing, with a steady temperature around 29. South wind 5 to 14 mph, with gusts as high as 26 mph.
Wednesday
Mostly sunny, with a high near 60. West wind 5 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 39. South wind around 6 mph.
Thursday
Sunny, with a high near 69. North northwest wind 5 to 8 mph.
Thursday Night
Partly cloudy, with a low around 44. Light and variable wind becoming south southwest around 6 mph after midnight.
Friday
Mostly sunny, with a high near 76. Southwest wind 6 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 16 mph.
Friday Night
Partly cloudy, with a low around 46. Northwest wind 6 to 8 mph becoming south after midnight.
Saturday
Sunny, with a high near 81. Southwest wind 7 to 17 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 45. South southwest wind 14 to 17 mph becoming north northeast after midnight. Winds could gust as high as 23 mph.
Sunday
Mostly sunny, with a high near 61. Breezy, with a north wind 17 to 21 mph, with gusts as high as 26 mph.
Sunday Night
Partly cloudy, with a low around 30. North wind 14 to 17 mph.
Monday
Mostly cloudy, with a high near 50. East southeast wind 13 to 17 mph, with gusts as high as 22 mph.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Portsmouth IA
41.65°N 95.5°W (Elev. 1319 ft)
41.65°N 95.5°W (Elev. 1319 ft)
4:35 am CDT Mar 17, 2026
5am CDT Mar 17, 2026-6pm CDT Mar 23, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
