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Tropical Storm Edouard to Impact the Northwest Gulf Coast; Heat Expands Eastward

Tropical Storm Edouard will bring tropical storm to hurricane conditions, heavy rainfall, flash and some river flooding, and storm surge to portions of Upper Texas and southwestern Louisiana coasts into Wednesday. Severe thunderstorms are possible in the Central Plains and Mid-Atlantic. Hot and humid conditions will expand from the Central Plains into the Ohio Valley and Mid-Atlantic. Read More >

Hazardous Weather Conditions

Current conditions at

Harlan, Harlan Municipal Airport (KHNR)

Lat: 41.58°NLon: 95.34°WElev: 1230ft.

Fair

88°F

31°C

Humidity 59%
Wind Speed S 3 mph
Barometer 29.94 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 1 Sep 12:55 pm CDT
Extended Forecast for

Walnut IA

Heat Advisory September 2, 01:00pm until September 3, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: Sunny, with a high near 92. South wind around 9 mph.

    High: 92 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 74. South wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 74 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 92. South southwest wind around 10 mph, with gusts as high as 16 mph.

    High: 92 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75. South wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 92. South wind 10 to 14 mph, with gusts as high as 20 mph.

    High: 92 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75. South wind around 11 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 92. South wind around 11 mph, with gusts as high as 17 mph.

    High: 92 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 74. South southeast wind around 7 mph.

    Low: 74 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 92. South wind 6 to 8 mph.

    High: 92 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 92. South wind around 9 mph.
Tonight
Increasing clouds, with a low around 74. South wind 7 to 11 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 92. South southwest wind around 10 mph, with gusts as high as 16 mph.
Wednesday Night
Mostly clear, with a low around 75. South wind 7 to 11 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 92. South wind 10 to 14 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 75. South wind around 11 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 92. South wind around 11 mph, with gusts as high as 17 mph.
Friday Night
Partly cloudy, with a low around 74. South southeast wind around 7 mph.
Saturday
Mostly sunny, with a high near 92. South wind 6 to 8 mph.
Saturday Night
Partly cloudy, with a low around 72. Southeast wind around 6 mph.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90. East southeast wind 5 to 8 mph.
Sunday Night
Partly cloudy, with a low around 70. East wind around 7 mph.
Labor Day
Mostly sunny, with a high near 87. South wind 7 to 10 mph, with gusts as high as 16 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Walnut IA
 41.48°N 95.23°W (Elev. 1348 ft)
Last Update:
1:05 pm CDT Sep 1, 2026
Forecast Valid:
1pm CDT Sep 1, 2026-6pm CDT Sep 7, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation