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

Lamoni, Lamoni Municipal Airport (KLWD)

Lat: 40.63°NLon: 93.9°WElev: 1129ft.

Mostly Cloudy

74°F

23°C

Humidity 56%
Wind Speed Vrbl 6 mph
Barometer 30.10 in (1018.9 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 22 Jun 3:53 pm CDT
Extended Forecast for

Decatur IA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 75. Northeast wind around 5 mph.

    High: 75 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. Northeast wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers between 1pm and 3pm. Increasing clouds, with a high near 77. Calm wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 30%.

    High: 77 °F

    Sunny then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 61. South southeast wind 3 to 5 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 61 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny, with a high near 80. Light and variable wind becoming west northwest around 6 mph in the afternoon. Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 77.

    High: 77 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 75. Northeast wind around 5 mph.
Tonight
Mostly clear, with a low around 55. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
A chance of showers between 1pm and 3pm. Increasing clouds, with a high near 77. Calm wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 30%.
Tuesday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 61. South southeast wind 3 to 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny, with a high near 80. Light and variable wind becoming west northwest around 6 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 77.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 60.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 77.
Friday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 64.
Saturday
Partly sunny, with a high near 83.
Saturday Night
A 40 percent chance of showers. Partly cloudy, with a low around 71.
Sunday
Mostly sunny, with a high near 88. Windy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Decatur IA
 40.75°N 93.84°W
Last Update:
2:47 pm CDT Jun 22, 2026
Forecast Valid:
4pm CDT Jun 22, 2026-6pm CDT Jun 28, 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