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

Hazardous Weather Conditions

Current conditions at

Lamoni, Lamoni Municipal Airport (KLWD)

Lat: 40.63°NLon: 93.9°WElev: 1129ft.

Fair

84°F

29°C

Humidity 63%
Wind Speed S 6 mph
Barometer 29.94 in (1012.5 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 4 Sep 9:53 pm CDT
Extended Forecast for

Mount Ayr IA

Heat Advisory September 4, 10:56pm until September 5, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 4, 10:56pm until September 5, 07:00pm

    NOW until 7:00pm Sat

    Heat Advisory

  • Tonight

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 94. Heat index values as high as 100. Light and variable wind.

    High: 94 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 71. East wind 3 to 6 mph.

    Low: 71 °F

    Mostly Clear

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 91. Southeast wind around 8 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 68. East southeast wind around 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Chance
    T-storms then
    Chance
    Showers

  • Labor Day

    Labor Day: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 95. Breezy.

    High: 95 °F

    Mostly Sunny
    then Sunny
    and Breezy

Detailed Forecast

Tonight
Mostly clear, with a low around 71. Calm wind becoming south around 5 mph.
Saturday
Sunny, with a high near 94. Heat index values as high as 100. Light and variable wind.
Saturday Night
Mostly clear, with a low around 71. East wind 3 to 6 mph.
Sunday
A 50 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 91. Southeast wind around 8 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 68. East southeast wind around 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Labor Day
Mostly sunny, with a high near 89.
Monday Night
Partly cloudy, with a low around 71.
Tuesday
Mostly sunny, with a high near 95. Breezy.
Tuesday Night
A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72.
Wednesday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 90.
Wednesday Night
A 40 percent chance of showers. Partly cloudy, with a low around 67.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 65.
Friday
Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Ayr IA
 40.71°N 94.25°W
Last Update:
10:46 pm CDT Sep 4, 2026
Forecast Valid:
10pm CDT Sep 4, 2026-6pm CDT Sep 11, 2026
 
Forecast Discussion
 
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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