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

25°F

-4°C

Humidity 75%
Wind Speed E 12 mph
Barometer 30.09 in (1020.2 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 8 Feb 7:53 am CST
Extended Forecast for

Rathbun IA

  • Today

    Today: Partly sunny, with a high near 48. East wind 5 to 9 mph.

    High: 48 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 28. East wind around 5 mph becoming light and variable.

    Low: 28 °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: Mostly clear, with a low around 35. South southwest wind 10 to 13 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.

    Low: 35 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 50. North wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 50 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain and snow after midnight. Mostly cloudy, with a low around 33. Chance of precipitation is 20%.

    Low: 33 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • 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 40%.

    High: 45 °F

    Chance
    Rain/Snow
    then Chance
    Rain

Detailed Forecast

Today
Partly sunny, with a high near 48. East wind 5 to 9 mph.
Tonight
Partly cloudy, with a low around 28. East wind around 5 mph becoming light and variable.
Monday
Mostly sunny, with a high near 62. South southwest wind 5 to 14 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 35. South southwest wind 10 to 13 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 50. North wind 7 to 10 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
Partly sunny, with a high near 48.
Wednesday Night
A slight chance of rain and snow after midnight. Mostly cloudy, with a low around 33. Chance of precipitation is 20%.
Thursday
A chance of rain and snow before noon, then a chance of rain. Cloudy, with a high near 45. Chance of precipitation is 40%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Friday
Mostly cloudy, with a high near 46.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 30.
Saturday
A chance of rain and snow. Mostly sunny, with a high near 44. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rathbun IA
 40.81°N 92.88°W
Last Update:
5:17 am CST Feb 8, 2026
Forecast Valid:
8am CST Feb 8, 2026-6pm CST Feb 14, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation