



Damaging Winds and Flooding on August 9, 2025
Detailed information on the damaging winds and flooding that occurred during the early morning hours of August 9th and 10th, 2025. Read More >
Hazardous Weather Conditions
Current conditions at
Harlan, Harlan Municipal Airport (KHNR)
Lat: 41.58°NLon: 95.34°WElev: 1230ft.
Fog/Mist
72°F
22°C
Humidity | 94% |
Wind Speed | S 8 mph |
Barometer | 29.96 in |
Dewpoint | 70°F (21°C) |
Visibility | 6.00 mi |
Last update | 15 Aug 2:55 am CDT |
Extended Forecast for
Portsmouth IA
Overnight
Low: 70 °F
Slight Chance
T-stormsFriday
High: 88 °F
Chance
T-storms then
Chance
ShowersFriday Night
Low: 72 °F
Mostly Clear
Saturday
High: 94 °F
Sunny
Saturday Night
Low: 73 °F
Partly Cloudy
Sunday
High: 91 °F
Mostly Sunny
Sunday Night
Low: 71 °F
Chance
T-stormsMonday
High: 90 °F
Mostly Sunny
Monday Night
Low: 68 °F
Chance
T-storms
Detailed Forecast
Overnight
A 20 percent chance of showers and thunderstorms after 4am. Mostly clear, with a low around 70. South wind around 10 mph, with gusts as high as 18 mph.
Friday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 88. South wind 10 to 13 mph, with gusts as high as 21 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Mostly clear, with a low around 72. South southeast wind around 10 mph, with gusts as high as 18 mph.
Saturday
Sunny, with a high near 94. South wind 8 to 13 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 73. South wind 7 to 9 mph, with gusts as high as 16 mph.
Sunday
Mostly sunny, with a high near 91. South wind 7 to 10 mph, with gusts as high as 17 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71. South wind 6 to 8 mph.
Monday
Mostly sunny, with a high near 90. South southwest wind 6 to 8 mph.
Monday Night
A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 68. South wind around 5 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 87. Calm wind becoming southwest around 6 mph in the morning.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 64. North northeast wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 83. Calm wind becoming north northeast 5 to 7 mph in the morning.
Wednesday Night
Mostly clear, with a low around 62. Northeast wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 83. Calm wind becoming east northeast around 6 mph in the afternoon.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Portsmouth IA
41.65°N 95.53°W (Elev. 1250 ft)
41.65°N 95.53°W (Elev. 1250 ft)
3:02 am CDT Aug 15, 2025
3am CDT Aug 15, 2025-6pm CDT Aug 21, 2025