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

31°F

-1°C

Humidity 76%
Wind Speed SW 9 mph
Barometer 30.18 in (1022.8 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 12 Jan 6:53 am CST
Extended Forecast for

4 Miles SSE Martinsburg IA

  • Today

    Today: Sunny, with a high near 51. West southwest wind 8 to 10 mph.

    High: 51 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 35. Southwest wind 8 to 14 mph, with gusts as high as 23 mph.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 53. Breezy, with a west wind 14 to 16 mph, with gusts as high as 25 mph.

    High: 53 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28. Windy, with a northwest wind 14 to 21 mph, with gusts as high as 31 mph.

    Low: 28 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Windy

  • Wednesday

    Wednesday: Partly sunny, with a high near 34. Windy, with a north northwest wind 20 to 25 mph, with gusts as high as 36 mph.

    High: 34 °F

    Partly Sunny
    and Windy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 13. Blustery.

    Low: 13 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Thursday

    Thursday: A 20 percent chance of snow after noon. Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 26.

    Low: 26 °F

    Chance Snow

  • Friday

    Friday: A 50 percent chance of snow. Mostly cloudy, with a high near 37. Breezy.

    High: 37 °F

    Chance Snow
    and Breezy

Detailed Forecast

Today
Sunny, with a high near 51. West southwest wind 8 to 10 mph.
Tonight
Partly cloudy, with a low around 35. Southwest wind 8 to 14 mph, with gusts as high as 23 mph.
Tuesday
Partly sunny, with a high near 53. Breezy, with a west wind 14 to 16 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 28. Windy, with a northwest wind 14 to 21 mph, with gusts as high as 31 mph.
Wednesday
Partly sunny, with a high near 34. Windy, with a north northwest wind 20 to 25 mph, with gusts as high as 36 mph.
Wednesday Night
Mostly clear, with a low around 13. Blustery.
Thursday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 31.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 26.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 37. Breezy.
Friday Night
Mostly cloudy, with a low around 13. Blustery.
Saturday
Partly sunny, with a high near 19. Blustery.
Saturday Night
Partly cloudy, with a low around 4.
Sunday
Mostly sunny, with a high near 23.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Martinsburg IA
 41.13°N 92.24°W
Last Update:
3:11 am CST Jan 12, 2026
Forecast Valid:
7am CST Jan 12, 2026-6pm CST Jan 18, 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

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation