Hazardous Weather Conditions
Current conditions at
Harlan, Harlan Municipal Airport (KHNR)
Lat: 41.58°NLon: 95.34°WElev: 1230ft.
Fair and Breezy
68°F
20°C
| Humidity | 83% |
| Wind Speed | S 23 G 31 mph |
| Barometer | 29.75 in |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 12 Apr 10:55 am CDT |
Extended Forecast for
Portsmouth IA
Today
High: 77 °F
Slight Chance
T-storms and
BreezyTonight
Low: 57 °F
Partly Cloudy
Monday
High: 81 °F
Partly Sunny
then Partly
Sunny and
BreezyMonday Night
Low: 54 °F
Partly Cloudy
Tuesday
High: 80 °F
Mostly Sunny
then Chance
ShowersTuesday Night
Low: 55 °F
Showers
LikelyWednesday
High: 76 °F
Chance
Showers then
Chance
T-stormsWednesday Night
Low: 49 °F
Chance
T-stormsThursday
High: 79 °F
Sunny
Detailed Forecast
Today
A slight chance of showers and thunderstorms between 1pm and 2pm. Mostly cloudy, with a high near 77. Breezy, with a south southwest wind 22 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 57. South wind 8 to 15 mph, with gusts as high as 24 mph.
Monday
Partly sunny, with a high near 81. Breezy, with a south wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph.
Monday Night
Partly cloudy, with a low around 54. South southwest wind 6 to 14 mph, with gusts as high as 22 mph.
Tuesday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 80. South southwest wind 5 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 55. West southwest wind 8 to 10 mph becoming east northeast after midnight. Winds could gust as high as 16 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 76. East southeast wind 8 to 16 mph becoming south southwest in the afternoon. Winds could gust as high as 22 mph.
Wednesday Night
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 49. Southwest wind 6 to 10 mph, with gusts as high as 16 mph.
Thursday
Sunny, with a high near 79. West southwest wind 6 to 15 mph, with gusts as high as 23 mph.
Thursday Night
Partly cloudy, with a low around 57. South wind 11 to 16 mph, with gusts as high as 25 mph.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 73. Breezy, with a south wind 15 to 21 mph becoming west in the afternoon. Winds could gust as high as 29 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 34. North wind 13 to 16 mph, with gusts as high as 23 mph.
Saturday
A chance of showers. Mostly sunny, with a high near 49. North northwest wind 13 to 16 mph, with gusts as high as 24 mph.
Additional Forecasts and Information
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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)
11:02 am CDT Apr 12, 2026
11am CDT Apr 12, 2026-6pm CDT Apr 18, 2026
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