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.

Overcast

28°F

-2°C

Humidity 60%
Wind Speed SE 15 mph
Barometer 30.12 in (1020.7 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 8 Feb 12:53 am CST
Extended Forecast for

Rathbun IA

  • Overnight

    Overnight: Mostly clear, with a low around 28. Southeast wind around 10 mph, with gusts as high as 18 mph.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 47. Southeast wind 5 to 9 mph becoming light east in the afternoon.

    High: 47 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 29. East northeast wind around 6 mph becoming south southeast after midnight.

    Low: 29 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 62. South southwest wind 5 to 14 mph, with gusts as high as 21 mph.

    High: 62 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36. South wind 10 to 13 mph becoming north northwest after midnight. Winds could gust as high as 21 mph.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain after midnight. Cloudy, with a low around 31.

    Low: 31 °F

    Cloudy then
    Chance Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 28. Southeast wind around 10 mph, with gusts as high as 18 mph.
Sunday
Mostly sunny, with a high near 47. Southeast wind 5 to 9 mph becoming light east in the afternoon.
Sunday Night
Partly cloudy, with a low around 29. East northeast wind around 6 mph becoming south southeast after midnight.
Monday
Mostly sunny, with a high near 62. South southwest wind 5 to 14 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 36. South wind 10 to 13 mph becoming north northwest after midnight. Winds could gust as high as 21 mph.
Tuesday
Mostly sunny, with a high near 51.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 29.
Wednesday
Partly sunny, with a high near 46.
Wednesday Night
A 30 percent chance of rain after midnight. Cloudy, with a low around 31.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 43.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
Partly sunny, with a high near 45.
Friday Night
A 30 percent chance of snow. Partly cloudy, with a low around 27.
Saturday
A chance of rain and snow. Mostly sunny, with a high near 43. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rathbun IA
 40.81°N 92.88°W
Last Update:
10:53 pm CST Feb 7, 2026
Forecast Valid:
1am CST Feb 8, 2026-6pm CST Feb 14, 2026
 
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Additional Resources

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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