Hazardous Weather Conditions
Current conditions at
Harlan, Harlan Municipal Airport (KHNR)
Lat: 41.58°NLon: 95.34°WElev: 1230ft.
Fair
-2°F
-19°C
| Humidity | 84% |
| Wind Speed | Calm |
| Barometer | 30.65 in |
| Dewpoint | -6°F (-21°C) |
| Visibility | 10.00 mi |
| Last update | 31 Jan 4:35 am CST |
Extended Forecast for
Portsmouth IA
Today

High: 20 °F
Increasing
CloudsTonight

Low: 17 °F
Chance Snow
Sunday

High: 40 °F
Partly Sunny
Sunday Night

Low: 20 °F
Mostly Cloudy
Monday

High: 37 °F
Partly Sunny
Monday Night

Low: 19 °F
Mostly Cloudy
Tuesday

High: 31 °F
Partly Sunny
Tuesday Night

Low: 15 °F
Mostly Cloudy
Wednesday

High: 32 °F
Partly Sunny
Detailed Forecast
Today
Increasing clouds, with a high near 20. Wind chill values as low as -10. Light and variable wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Tonight
A 30 percent chance of snow, mainly between 8pm and 5am. Cloudy, with a steady temperature around 17. South southwest wind 10 to 14 mph, with gusts as high as 25 mph.
Sunday
Partly sunny, with a high near 40. Southwest wind 8 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Mostly cloudy, with a low around 20. Northwest wind 5 to 7 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 37. Calm wind becoming east southeast around 6 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 19. East northeast wind around 5 mph.
Tuesday
Partly sunny, with a high near 31. North wind 5 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 15. North wind around 6 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 32. North wind 3 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 19. Calm wind becoming south southwest around 6 mph after midnight.
Thursday
Mostly sunny, with a high near 46. South southwest wind 6 to 14 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 29. West northwest wind around 11 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 39. North northwest wind 11 to 16 mph, with gusts as high as 23 mph.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Portsmouth IA
41.65°N 95.5°W (Elev. 1319 ft)
41.65°N 95.5°W (Elev. 1319 ft)
4:36 am CST Jan 31, 2026
4am CST Jan 31, 2026-6pm CST Feb 6, 2026



