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.

A Few Clouds

80°F

27°C

Humidity 58%
Wind Speed Vrbl 3 mph
Barometer 29.94 in (1013.4 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 2 Aug 12:53 pm CDT
Extended Forecast for

4 Miles SW Millersburg IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 83. North wind around 10 mph.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 59. Northeast wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 83. Light east wind becoming southeast 5 to 10 mph in the morning.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 62. Southeast wind 5 to 10 mph.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.

    Low: 64 °F

    Partly Cloudy
    then Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 78. Chance of precipitation is 80%.

    High: 78 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

    Low: 59 °F

    Showers
    Likely

  • Thursday

    Thursday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 83. North wind around 10 mph.
Tonight
Mostly clear, with a low around 59. Northeast wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 83. Light east wind becoming southeast 5 to 10 mph in the morning.
Monday Night
Mostly clear, with a low around 62. Southeast wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
Showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.
Wednesday
Showers and possibly a thunderstorm. High near 78. Chance of precipitation is 80%.
Wednesday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Mostly sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Millersburg IA
 41.52°N 92.2°W (Elev. 774 ft)
Last Update:
1:26 pm CDT Aug 2, 2026
Forecast Valid:
1pm CDT Aug 2, 2026-6pm CDT Aug 8, 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