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.

Fog/Mist

35°F

2°C

Humidity 96%
Wind Speed W 17 G 28 mph
Barometer 29.88 in (1012.1 mb)
Dewpoint 34°F (1°C)
Visibility 6.00 mi
Wind Chill25°F (-4°C)
Last update 7 Mar 7:53 am CST
Extended Forecast for

4 Miles S Martinsburg IA

  • Today

    Today: Partly sunny, with a high near 50. Breezy, with a west northwest wind 13 to 20 mph, with gusts as high as 31 mph.

    High: 50 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 34. West northwest wind 9 to 14 mph becoming southwest after midnight. Winds could gust as high as 24 mph.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 65. Breezy, with a southwest wind 14 to 18 mph, with gusts as high as 26 mph.

    High: 65 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Clear, with a low around 46. Breezy, with a south southwest wind 14 to 16 mph, with gusts as high as 28 mph.

    Low: 46 °F

    Clear and
    Breezy

  • Monday

    Monday: Sunny, with a high near 71. Southwest wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 71. Breezy. Chance of precipitation is 60%.

    High: 71 °F

    Chance
    T-storms then
    Showers
    Likely and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 37. Breezy. Chance of precipitation is 60%.

    Low: 37 °F

    Showers
    Likely and
    Breezy

  • Wednesday

    Wednesday: A 30 percent chance of showers before noon. Mostly cloudy, with a high near 49. Breezy.

    High: 49 °F

    Breezy.
    Chance
    Showers then
    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 50. Breezy, with a west northwest wind 13 to 20 mph, with gusts as high as 31 mph.
Tonight
Mostly clear, with a low around 34. West northwest wind 9 to 14 mph becoming southwest after midnight. Winds could gust as high as 24 mph.
Sunday
Sunny, with a high near 65. Breezy, with a southwest wind 14 to 18 mph, with gusts as high as 26 mph.
Sunday Night
Clear, with a low around 46. Breezy, with a south southwest wind 14 to 16 mph, with gusts as high as 28 mph.
Monday
Sunny, with a high near 71. Southwest wind 9 to 14 mph, with gusts as high as 23 mph.
Monday Night
Clear, with a low around 46.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 71. Breezy. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 37. Breezy. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of showers before noon. Mostly cloudy, with a high near 49. Breezy.
Wednesday Night
Mostly clear, with a low around 28.
Thursday
Mostly sunny, with a high near 53. Breezy.
Thursday Night
Mostly cloudy, with a low around 40. Breezy.
Friday
Mostly cloudy, with a high near 60. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Martinsburg IA
 41.13°N 92.27°W
Last Update:
5:16 am CST Mar 7, 2026
Forecast Valid:
8am CST Mar 7, 2026-6pm CDT Mar 13, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation