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

81°F

27°C

Humidity 39%
Wind Speed S 15 G 28 mph
Barometer 30.04 in (1016.5 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 25 May 1:53 pm CDT
Extended Forecast for

Decatur IA

  • Memorial Day

    Memorial Day: Sunny, with a high near 83. South wind around 13 mph.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 59. South wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84. South wind 5 to 7 mph.

    High: 84 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 58. South southeast wind around 6 mph becoming calm after midnight.

    Low: 58 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 85. Calm wind becoming east 5 to 8 mph in the afternoon.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 80.

    High: 80 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Memorial Day
Sunny, with a high near 83. South wind around 13 mph.
Tonight
Mostly clear, with a low around 59. South wind 7 to 11 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 84. South wind 5 to 7 mph.
Tuesday Night
Partly cloudy, with a low around 58. South southeast wind around 6 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 85. Calm wind becoming east 5 to 8 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84.
Thursday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 62.
Friday
A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 80.
Friday Night
Mostly cloudy, with a low around 59.
Saturday
Partly sunny, with a high near 79.
Saturday Night
Mostly cloudy, with a low around 57.
Sunday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Decatur IA
 40.75°N 93.84°W
Last Update:
1:26 pm CDT May 25, 2026
Forecast Valid:
2pm CDT May 25, 2026-6pm CDT May 31, 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