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

32°F

0°C

Humidity 61%
Wind Speed SW 13 mph
Barometer 30.39 in (1030.0 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 11 Jan 4:53 pm CST
Extended Forecast for

4 Miles S Martinsburg IA

  • This Afternoon

    This Afternoon: Sunny, with a steady temperature around 33. Southwest wind around 9 mph.

    High: 33 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 27. Southwest wind 8 to 13 mph, with gusts as high as 23 mph.

    Low: 27 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy through mid morning, then gradual clearing, with a high near 48. West wind 8 to 10 mph.

    High: 48 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 34. Southwest wind 8 to 13 mph, with gusts as high as 22 mph.

    Low: 34 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 55. Breezy, with a west wind 15 to 17 mph, with gusts as high as 28 mph.

    High: 55 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 29. Windy.

    Low: 29 °F

    Mostly Cloudy
    and Windy

  • Wednesday

    Wednesday: Partly sunny, with a high near 34. Windy.

    High: 34 °F

    Partly Sunny
    and Windy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 15. Blustery.

    Low: 15 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Thursday

    Thursday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a steady temperature around 33. Southwest wind around 9 mph.
Tonight
Increasing clouds, with a low around 27. Southwest wind 8 to 13 mph, with gusts as high as 23 mph.
Monday
Mostly cloudy through mid morning, then gradual clearing, with a high near 48. West wind 8 to 10 mph.
Monday Night
Increasing clouds, with a low around 34. Southwest wind 8 to 13 mph, with gusts as high as 22 mph.
Tuesday
Partly sunny, with a high near 55. Breezy, with a west wind 15 to 17 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly cloudy, with a low around 29. Windy.
Wednesday
Partly sunny, with a high near 34. Windy.
Wednesday Night
Mostly clear, with a low around 15. Blustery.
Thursday
Partly sunny, with a high near 31.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
A 40 percent chance of snow. Mostly cloudy, with a high near 37. Breezy.
Friday Night
Mostly cloudy, with a low around 15.
Saturday
Partly sunny, with a high near 23. Blustery.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Martinsburg IA
 41.13°N 92.27°W
Last Update:
3:16 pm CST Jan 11, 2026
Forecast Valid:
4pm CST Jan 11, 2026-6pm CST Jan 17, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation