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

41°F

5°C

Humidity 62%
Wind Speed E 12 mph
Barometer 30.18 in (1022.8 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 2 Mar 3:53 pm CST
Extended Forecast for

Rathbun IA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a steady temperature around 41. East southeast wind around 9 mph.

    High: 41 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 30 percent chance of rain, mainly after 4am. Cloudy, with a low around 36. Southeast wind 6 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Cloudy then
    Chance Rain

  • Tuesday

    Tuesday: A 40 percent chance of rain after 4pm. Cloudy, with a high near 46. East southeast wind 5 to 7 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain and thunderstorms, then rain likely after midnight. Mostly cloudy, with a low around 37. East northeast wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 37 °F

    Rain Likely

  • Wednesday

    Wednesday: A 50 percent chance of rain. Mostly cloudy, with a high near 52. East northeast wind 5 to 7 mph. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely. Mostly cloudy, with a low around 43. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Rain Likely

  • Thursday

    Thursday: A 30 percent chance of rain before noon. Mostly cloudy, with a high near 63.

    High: 63 °F

    Chance Rain
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: A slight chance of rain, then rain likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.

    Low: 48 °F

    Slight Chance
    Rain then
    Rain Likely

  • Friday

    Friday: Rain, with thunderstorms also possible after noon. High near 73. Breezy. Chance of precipitation is 90%.

    High: 73 °F

    Breezy. Rain
    then Rain
    Likely

Detailed Forecast

This Afternoon
Mostly cloudy, with a steady temperature around 41. East southeast wind around 9 mph.
Tonight
A 30 percent chance of rain, mainly after 4am. Cloudy, with a low around 36. Southeast wind 6 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A 40 percent chance of rain after 4pm. Cloudy, with a high near 46. East southeast wind 5 to 7 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A chance of rain and thunderstorms, then rain likely after midnight. Mostly cloudy, with a low around 37. East northeast wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
A 50 percent chance of rain. Mostly cloudy, with a high near 52. East northeast wind 5 to 7 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 43. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A 30 percent chance of rain before noon. Mostly cloudy, with a high near 63.
Thursday Night
A slight chance of rain, then rain likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Friday
Rain, with thunderstorms also possible after noon. High near 73. Breezy. Chance of precipitation is 90%.
Friday Night
Rain and possibly a thunderstorm before midnight, then rain likely. Low around 46. Breezy. Chance of precipitation is 80%.
Saturday
Mostly cloudy, with a high near 60.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Sunny, with a high near 63.
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:
2:48 pm CST Mar 2, 2026
Forecast Valid:
4pm CST Mar 2, 2026-6pm CDT Mar 8, 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