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

35°F

2°C

Humidity 85%
Wind Speed N 6 mph
Barometer 30.14 in (1021.3 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 9 Jan 6:53 pm CST
Extended Forecast for

Rathbun IA

  • Tonight

    Tonight: A chance of rain and snow before 2am, then a chance of snow between 2am and 5am, then a chance of flurries after 5am. Mostly cloudy, with a low around 31. Calm wind becoming west northwest 5 to 9 mph after midnight. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 31 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of sprinkles and flurries before noon, then a chance of sprinkles between noon and 2pm. Mostly cloudy through mid morning, then becoming sunny, with a high near 38. Breezy, with a west northwest wind 8 to 18 mph, with gusts as high as 29 mph.

    High: 38 °F

    Chance
    Sprinkles/Flurries
    then Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 20. Wind chill values as low as 10. Blustery, with a northwest wind 15 to 18 mph, with gusts as high as 25 mph.

    Low: 20 °F

    Mostly Clear
    and Blustery

  • Sunday

    Sunday: Sunny, with a high near 34. Wind chill values as low as 10. Northwest wind 7 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.

    High: 34 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 27. Southwest wind 8 to 14 mph, with gusts as high as 22 mph.

    Low: 27 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain. Partly sunny, with a high near 53.

    High: 53 °F

    Slight Chance
    Rain

  • Tuesday Night

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

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of rain and snow before 2am, then a chance of snow between 2am and 5am, then a chance of flurries after 5am. Mostly cloudy, with a low around 31. Calm wind becoming west northwest 5 to 9 mph after midnight. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday
A chance of sprinkles and flurries before noon, then a chance of sprinkles between noon and 2pm. Mostly cloudy through mid morning, then becoming sunny, with a high near 38. Breezy, with a west northwest wind 8 to 18 mph, with gusts as high as 29 mph.
Saturday Night
Mostly clear, with a low around 20. Wind chill values as low as 10. Blustery, with a northwest wind 15 to 18 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 34. Wind chill values as low as 10. Northwest wind 7 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Mostly clear, with a low around 27. Southwest wind 8 to 14 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 47.
Monday Night
Mostly cloudy, with a low around 37.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 53.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Partly sunny, with a high near 36. Breezy.
Wednesday Night
Mostly cloudy, with a low around 20.
Thursday
Mostly sunny, with a high near 34.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
Mostly cloudy, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rathbun IA
 40.81°N 92.88°W
Last Update:
5:11 pm CST Jan 9, 2026
Forecast Valid:
7pm CST Jan 9, 2026-6pm CST Jan 16, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation