National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Atlantic (KAIO)

Lat: 41.4°NLon: 95.05°WElev: 1181ft.

Fair

79°F

26°C

Humidity 45%
Wind Speed S 15 G 22 mph
Barometer 29.83 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 11 Oct 11:15 am CDT
Extended Forecast for

Walnut IA

  • Today

    Today: Sunny, with a high near 89. South wind 15 to 17 mph, with gusts as high as 25 mph.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 68. South wind 11 to 14 mph, with gusts as high as 22 mph.

    Low: 68 °F

    Decreasing
    Clouds

  • Columbus Day

    Columbus Day: Sunny, with a high near 90. Breezy, with a south southwest wind 13 to 18 mph, with gusts as high as 25 mph.

    High: 90 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Clear, with a low around 58. Southwest wind 6 to 11 mph becoming light and variable. Winds could gust as high as 17 mph.

    Low: 58 °F

    Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers after 1pm. Sunny, with a high near 78. Northeast wind 5 to 7 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 78 °F

    Sunny then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 55. North northeast wind 7 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 69. North northeast wind around 11 mph, with gusts as high as 17 mph.

    High: 69 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 53. East northeast wind around 9 mph.

    Low: 53 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 66. East northeast wind 8 to 11 mph becoming north in the afternoon. Winds could gust as high as 17 mph.

    High: 66 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 89. South wind 15 to 17 mph, with gusts as high as 25 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 68. South wind 11 to 14 mph, with gusts as high as 22 mph.
Columbus Day
Sunny, with a high near 90. Breezy, with a south southwest wind 13 to 18 mph, with gusts as high as 25 mph.
Monday Night
Clear, with a low around 58. Southwest wind 6 to 11 mph becoming light and variable. Winds could gust as high as 17 mph.
Tuesday
A 30 percent chance of showers after 1pm. Sunny, with a high near 78. Northeast wind 5 to 7 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 55. North northeast wind 7 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 69. North northeast wind around 11 mph, with gusts as high as 17 mph.
Wednesday Night
A slight chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 53. East northeast wind around 9 mph.
Thursday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 66. East northeast wind 8 to 11 mph becoming north in the afternoon. Winds could gust as high as 17 mph.
Thursday Night
A slight chance of showers before 1am. Mostly cloudy, with a low around 46. North northwest wind 10 to 16 mph, with gusts as high as 23 mph.
Friday
Mostly sunny, with a high near 58. Breezy, with a north northwest wind 17 to 23 mph, with gusts as high as 30 mph.
Friday Night
Mostly clear, with a low around 37. North northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 17 mph.
Saturday
Sunny, with a high near 58. Calm wind becoming south southwest 5 to 9 mph in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Walnut IA
 41.48°N 95.2°W (Elev. 1299 ft)
Last Update:
11:12 am CDT Oct 11, 2026
Forecast Valid:
11am CDT Oct 11, 2026-6pm CDT Oct 17, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation