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

77°F

25°C

Humidity	89%
Wind Speed	S 8 mph
Barometer	29.99 in
Dewpoint	73°F (23°C)
Visibility	5.00 mi
Heat Index	78°F (26°C)
Last update	16 Aug 4:35 am CDT

More Information:

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

Extended Forecast for

Walnut IA

Heat Advisory August 16, 11:00am until August 16, 08:00pm

Click here for hazard details and duration

Heat Advisory

Today
High: 93 °F
Mostly Sunny
Tonight
Low: 73 °F
Partly Cloudy
Sunday
High: 92 °F
Mostly Sunny
Sunday Night
Low: 73 °F
Partly Cloudy
then Slight
Chance
T-storms
Monday
High: 91 °F
Slight Chance
T-storms
Monday Night
Low: 68 °F
Chance
T-storms
Tuesday
High: 85 °F
Slight Chance
T-storms
Tuesday Night
Low: 64 °F
Partly Cloudy
Wednesday
High: 80 °F
Sunny

Detailed Forecast

Today

Mostly sunny, with a high near 93. South wind 9 to 16 mph, with gusts as high as 23 mph.

Tonight

Partly cloudy, with a low around 73. South wind 9 to 11 mph, with gusts as high as 18 mph.

Sunday

Mostly sunny, with a high near 92. South wind 8 to 14 mph, with gusts as high as 20 mph.

Sunday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. South wind 8 to 10 mph, with gusts as high as 16 mph.

Monday

A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 91. South southwest wind 7 to 10 mph.

Monday Night

A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 68. South wind around 6 mph becoming light and variable after midnight.

Tuesday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. North northeast wind 5 to 8 mph becoming northwest in the morning.

Tuesday Night

Partly cloudy, with a low around 64. Northeast wind 5 to 8 mph.

Wednesday

Sunny, with a high near 80. Northeast wind 5 to 9 mph.

Wednesday Night

Mostly clear, with a low around 59. East northeast wind 3 to 8 mph.

Thursday

Sunny, with a high near 81. East southeast wind 3 to 7 mph.

Thursday Night

Mostly clear, with a low around 59. East southeast wind around 6 mph becoming calm in the evening.

Friday

Sunny, with a high near 83. Calm wind becoming west northwest 5 to 7 mph in the morning.