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.

Fair

72°F

22°C

Humidity 37%
Wind Speed S 12 G 24 mph
Barometer 30.03 in (1016.8 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 20 Apr 4:53 pm CDT
Extended Forecast for

Decatur IA

  • Tonight

    Tonight: Mostly clear, with a low around 53. South southwest wind 11 to 15 mph, with gusts as high as 24 mph.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55. Southwest wind around 10 mph.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77. South southwest wind 8 to 15 mph, with gusts as high as 23 mph.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59. South wind around 14 mph, with gusts as high as 22 mph.

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 75. Windy. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Windy. Slight
    Chance
    T-storms then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 48. Breezy. Chance of precipitation is 80%.

    Low: 48 °F

    Showers and
    Breezy

  • Friday

    Friday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Partly sunny, with a high near 65. Chance of precipitation is 30%.

    High: 65 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 53. South southwest wind 11 to 15 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 81. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 55. Southwest wind around 10 mph.
Wednesday
Sunny, with a high near 77. South southwest wind 8 to 15 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 59. South wind around 14 mph, with gusts as high as 22 mph.
Thursday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 75. Windy. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 48. Breezy. Chance of precipitation is 80%.
Friday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Partly sunny, with a high near 65. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 42.
Saturday
Partly sunny, with a high near 62.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 61.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 44.
Monday
A 40 percent chance of showers. Mostly cloudy, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Decatur IA
 40.75°N 93.84°W
Last Update:
2:36 pm CDT Apr 20, 2026
Forecast Valid:
5pm CDT Apr 20, 2026-6pm CDT Apr 27, 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