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

20°F

-7°C

Humidity 62%
Wind Speed S 13 mph
Barometer 30.07 in (1019.3 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill7°F (-14°C)
Last update 24 Feb 1:53 am CST
Extended Forecast for

Rathbun IA

  • Overnight

    Overnight: Mostly cloudy, with a low around 19. Wind chill values as low as 10. Breezy, with a south wind 13 to 16 mph, with gusts as high as 24 mph.

    Low: 19 °F

    Mostly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 51. Windy, with a south wind 11 to 21 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 51 °F

    Mostly Cloudy
    and Windy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 24. North wind 6 to 10 mph.

    Low: 24 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 42. North northwest wind around 7 mph becoming east in the afternoon.

    High: 42 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Rain and snow likely before 3am, then a chance of snow. Mostly cloudy, with a low around 28. East wind around 8 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 32.

    Low: 32 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 64. Breezy.

    High: 64 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 19. Wind chill values as low as 10. Breezy, with a south wind 13 to 16 mph, with gusts as high as 24 mph.
Tuesday
Mostly cloudy, with a high near 51. Windy, with a south wind 11 to 21 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
Mostly cloudy, with a low around 24. North wind 6 to 10 mph.
Wednesday
Mostly sunny, with a high near 42. North northwest wind around 7 mph becoming east in the afternoon.
Wednesday Night
Rain and snow likely before 3am, then a chance of snow. Mostly cloudy, with a low around 28. East wind around 8 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
Mostly sunny, with a high near 47.
Thursday Night
Clear, with a low around 32.
Friday
Sunny, with a high near 64. Breezy.
Friday Night
Mostly clear, with a low around 31.
Saturday
Mostly sunny, with a high near 47. Breezy.
Saturday Night
Mostly cloudy, with a low around 20.
Sunday
A 40 percent chance of snow. Mostly cloudy, with a high near 36.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 21.
Monday
A 30 percent chance of snow. Mostly cloudy, with a high near 39.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rathbun IA
 40.81°N 92.88°W
Last Update:
10:51 pm CST Feb 23, 2026
Forecast Valid:
2am CST Feb 24, 2026-6pm CST Mar 2, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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