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

Hazardous Weather Conditions

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Fair

25°F

-4°C

Humidity 78%
Wind Speed Calm
Barometer 30.02 in (1016.9 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 28 Feb 2:53 am CST
Extended Forecast for

Rathbun IA

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 34. Calm wind becoming northeast around 6 mph.

    Low: 34 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 51. East wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 51 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 20. North northeast wind around 11 mph, with gusts as high as 20 mph.

    Low: 20 °F

    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 34. Wind chill values as low as 10. East northeast wind 9 to 11 mph, with gusts as high as 18 mph. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday Night

    Sunday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 25. East wind 7 to 9 mph. New snow accumulation of less than one inch possible.

    Low: 25 °F

    Chance Snow

  • Monday

    Monday: A slight chance of snow before noon, then a chance of rain and snow between noon and 3pm, then a chance of rain after 3pm. Mostly cloudy, with a high near 42. Chance of precipitation is 30%.

    High: 42 °F

    Slight Chance
    Snow then
    Chance
    Rain/Snow

  • Monday Night

    Monday Night: Rain, mainly after midnight. Low around 33. Chance of precipitation is 90%.

    Low: 33 °F

    Chance Rain
    then Rain

  • Tuesday

    Tuesday: Rain, mainly before noon. High near 47. Chance of precipitation is 80%.

    High: 47 °F

    Rain then
    Chance Rain

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain. Partly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 34. Calm wind becoming northeast around 6 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 51. East wind 8 to 11 mph, with gusts as high as 18 mph.
Saturday Night
Mostly clear, with a low around 20. North northeast wind around 11 mph, with gusts as high as 20 mph.
Sunday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 34. Wind chill values as low as 10. East northeast wind 9 to 11 mph, with gusts as high as 18 mph. New snow accumulation of less than a half inch possible.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 25. East wind 7 to 9 mph. New snow accumulation of less than one inch possible.
Monday
A slight chance of snow before noon, then a chance of rain and snow between noon and 3pm, then a chance of rain after 3pm. Mostly cloudy, with a high near 42. Chance of precipitation is 30%.
Monday Night
Rain, mainly after midnight. Low around 33. Chance of precipitation is 90%.
Tuesday
Rain, mainly before noon. High near 47. Chance of precipitation is 80%.
Tuesday Night
A 40 percent chance of rain. Partly cloudy, with a low around 35.
Wednesday
A 50 percent chance of rain. Mostly sunny, with a high near 52.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 38.
Thursday
A 30 percent chance of rain. Partly sunny, with a high near 62.
Thursday Night
A 50 percent chance of rain. Partly cloudy, with a low around 46.
Friday
Rain likely. Cloudy, with a high near 60. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rathbun IA
 40.81°N 92.88°W
Last Update:
2:26 am CST Feb 28, 2026
Forecast Valid:
3am CST Feb 28, 2026-6pm CST Mar 6, 2026
 
Forecast Discussion
 
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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