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

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Fair

29°F

-2°C

Humidity 66%
Wind Speed E 7 mph
Barometer 30.15 in (1022.0 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 8 Feb 8:53 pm CST
Extended Forecast for

Rathbun IA

  • Tonight

    Tonight: Mostly clear, with a low around 27. Southeast wind 3 to 5 mph.

    Low: 27 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 61. Breezy, with a south southwest wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 61 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 34. South southwest wind 13 to 15 mph becoming north northwest after midnight. Winds could gust as high as 28 mph.

    Low: 34 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 51. North northwest wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 51 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 28. North wind around 7 mph.

    Low: 28 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain and snow before noon, then a chance of rain. Cloudy, with a high near 45. Chance of precipitation is 50%.

    High: 45 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Thursday Night

    Thursday Night: A chance of rain before midnight, then a chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 40%.

    Low: 30 °F

    Chance Rain
    then Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 27. Southeast wind 3 to 5 mph.
Monday
Mostly sunny, with a high near 61. Breezy, with a south southwest wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 26 mph.
Monday Night
Mostly clear, with a low around 34. South southwest wind 13 to 15 mph becoming north northwest after midnight. Winds could gust as high as 28 mph.
Tuesday
Mostly sunny, with a high near 51. North northwest wind 8 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 28. North wind around 7 mph.
Wednesday
Mostly sunny, with a high near 47.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
A chance of rain and snow before noon, then a chance of rain. Cloudy, with a high near 45. Chance of precipitation is 50%.
Thursday Night
A chance of rain before midnight, then a chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 40%.
Friday
Mostly cloudy, with a high near 43.
Friday Night
A 30 percent chance of rain. Partly cloudy, with a low around 31.
Saturday
A 40 percent chance of rain. Partly sunny, with a high near 45.
Saturday Night
A 30 percent chance of rain. Partly cloudy, with a low around 30.
Sunday
Mostly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rathbun IA
 40.81°N 92.88°W
Last Update:
3:23 pm CST Feb 8, 2026
Forecast Valid:
9pm CST Feb 8, 2026-6pm CST Feb 15, 2026
 
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Additional Resources

Radar & Satellite Image

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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