Hazardous Weather Conditions
Current conditions at
Ottumwa Regional Airport (KOTM)
Lat: 41.1°NLon: 92.44°WElev: 830ft.
Fair
53°F
12°C
| Humidity | 37% |
| Wind Speed | NW 12 mph |
| Barometer | 29.89 in (1012.6 mb) |
| Dewpoint | 27°F (-3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 49°F (9°C) |
| Last update | 27 Feb 6:53 pm CST |
Extended Forecast for
Rathbun IA
Tonight

Low: 30 °F
Increasing
CloudsSaturday

High: 50 °F
Mostly Sunny
Saturday Night

Low: 21 °F
Increasing
CloudsSunday
High: 35 °F
Mostly Cloudy
then Chance
SnowSunday Night
Low: 25 °F
Snow Likely
then Chance
Wintry MixMonday
High: 42 °F
Chance Wintry
Mix then
Slight Chance
RainMonday Night

Low: 33 °F
Rain Likely
Tuesday

High: 47 °F
Rain Likely
Tuesday Night

Low: 34 °F
Chance Rain
Detailed Forecast
Tonight
Increasing clouds, with a low around 30. West northwest wind 6 to 9 mph becoming east northeast after midnight.
Saturday
Mostly sunny, with a high near 50. East wind 7 to 13 mph, with gusts as high as 20 mph.
Saturday Night
Increasing clouds, with a low around 21. Wind chill values as low as 10. North northeast wind 10 to 14 mph, with gusts as high as 20 mph.
Sunday
A 40 percent chance of snow after noon. Cloudy, with a high near 35. Wind chill values as low as 10. East northeast wind around 11 mph, with gusts as high as 20 mph. New snow accumulation of less than one inch possible.
Sunday Night
Snow likely before midnight, then a chance of snow and freezing rain. Mostly cloudy, with a low around 25. East wind around 10 mph. Chance of precipitation is 60%. Little or no ice accumulation expected. New snow accumulation of 1 to 2 inches possible.
Monday
A chance of rain, snow, and freezing rain before noon, then a slight chance of rain. Mostly cloudy, with a high near 42. Chance of precipitation is 30%.
Monday Night
Rain likely, mainly after midnight. Cloudy, with a low around 33. Chance of precipitation is 60%.
Tuesday
Rain likely. Cloudy, with a high near 47. Chance of precipitation is 60%.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 34.
Wednesday
A 50 percent chance of rain. Mostly cloudy, with a high near 50.
Wednesday Night
Rain likely. Cloudy, with a low around 39. Chance of precipitation is 60%.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 58.
Thursday Night
A 40 percent chance of rain. Partly cloudy, with a low around 41.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 58.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Rathbun IA
40.81°N 92.88°W
40.81°N 92.88°W
4:47 pm CST Feb 27, 2026
7pm CST Feb 27, 2026-6pm CST Mar 6, 2026



