Showers and Thunderstorms from the Southern Plains into the Mid-Mississippi Valley; Record Warmth in the Plains and Midwest

Heavy rain and widely scattered severe storms capable of large hail, damaging winds, and possibly a tornado are expected over portions of the central and southern Plains into the Lower Missouri Valley. Unseasonable warmth will continue for a few more days across the Midwest and Southeast where several daily record highs could fall. Read More >

Current conditions at

Lamoni, Lamoni Municipal Airport (KLWD)

Lat: 40.63°NLon: 93.9°WElev: 1129ft.

Mostly Cloudy

71°F

22°C

Humidity 76%
Wind Speed N 7 mph
Barometer 29.89 in (1011.7 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 13 Oct 5:53 pm CDT
Extended Forecast for

Decatur IA

  • Tonight

    Tonight: Showers and thunderstorms likely before 4am, then a chance of showers.  Cloudy, with a low around 56. North wind 6 to 9 mph, with gusts as high as 18 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 20 percent chance of showers before 8am.  Cloudy, with a high near 65. North northeast wind around 10 mph, with gusts as high as 18 mph.

    High: 65 °F

    Slight Chance
    Showers then
    Cloudy

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 2am, then a chance of showers and thunderstorms after 2am.  Cloudy, with a low around 57. East northeast wind 6 to 8 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 57 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm.  High near 68. East wind 8 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 68 °F

    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 45. Breezy, with a north northwest wind around 16 mph, with gusts as high as 28 mph.

    Low: 45 °F

    Mostly Cloudy
    and Breezy

  • Friday

    Friday: Mostly sunny, with a high near 56. Windy.

    High: 56 °F

    Mostly Sunny
    and Windy

  • Friday Night

    Friday Night: Patchy frost after 3am.  Otherwise, mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear
    then Patchy
    Frost

  • Saturday

    Saturday: Areas of frost before 9am.  Otherwise, sunny, with a high near 61.

    High: 61 °F

    Areas Frost
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers and thunderstorms likely before 4am, then a chance of showers. Cloudy, with a low around 56. North wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 20 percent chance of showers before 8am. Cloudy, with a high near 65. North northeast wind around 10 mph, with gusts as high as 18 mph.
Wednesday Night
A slight chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 2am, then a chance of showers and thunderstorms after 2am. Cloudy, with a low around 57. East northeast wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers and possibly a thunderstorm. High near 68. East wind 8 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Mostly cloudy, with a low around 45. Breezy, with a north northwest wind around 16 mph, with gusts as high as 28 mph.
Friday
Mostly sunny, with a high near 56. Windy.
Friday Night
Patchy frost after 3am. Otherwise, mostly clear, with a low around 33.
Saturday
Areas of frost before 9am. Otherwise, sunny, with a high near 61.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Mostly sunny, with a high near 66.
Sunday Night
Mostly cloudy, with a low around 50.
Monday
Partly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Decatur IA
 40.75°N 93.84°W
6:01 pm CDT Oct 13, 2026
6pm CDT Oct 13, 2026-6pm CDT Oct 20, 2026
 
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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