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 93%
Wind Speed W 20 mph
Barometer 29.77 in (1008.1 mb)
Dewpoint 39°F (4°C)
Visibility 7.00 mi
Wind Chill32°F (0°C)
Last update 7 Mar 4:53 am CST
Extended Forecast for

4 Miles ENE Martinsburg IA

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 47. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 47 °F

    Decreasing
    Clouds and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 34. West wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 65. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 65 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Clear, with a low around 46. Southwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 46 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

  • Tuesday

    Tuesday: A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after noon. Partly sunny, with a high near 70. Chance of precipitation is 60%.

    High: 70 °F

    Chance
    T-storms then
    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain likely. Cloudy, with a low around 37. Chance of precipitation is 60%.

    Low: 37 °F

    Rain Likely

  • Wednesday

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

    High: 49 °F

    Breezy.
    Chance Rain
    then Partly
    Sunny

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 47. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 34. West wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 65. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 25 mph.
Sunday Night
Clear, with a low around 46. Southwest wind around 15 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 72.
Monday Night
Clear, with a low around 45.
Tuesday
A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after noon. Partly sunny, with a high near 70. Chance of precipitation is 60%.
Tuesday Night
Rain likely. Cloudy, with a low around 37. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of rain before noon. Mostly cloudy, with a high near 49. Breezy.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
Mostly sunny, with a high near 52.
Thursday Night
Mostly cloudy, with a low around 40.
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 ENE Martinsburg IA
 41.2°N 92.18°W (Elev. 801 ft)
Last Update:
3:36 am CST Mar 7, 2026
Forecast Valid:
5am CST Mar 7, 2026-6pm CDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation