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

15°F

-9°C

Humidity 61%
Wind Speed NW 15 mph
Barometer 30.57 in (1036.9 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill0°F (-18°C)
Last update 22 Feb 7:53 pm CST
Extended Forecast for

4 Miles SSE Martinsburg IA

  • Tonight

    Tonight: Partly cloudy, with a low around 6. Wind chill values as low as -10. Blustery, with a north northwest wind 11 to 16 mph, with gusts as high as 26 mph.

    Low: 6 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 26. Wind chill values as low as -10. North northwest wind 5 to 10 mph, with gusts as high as 18 mph.

    High: 26 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 15. Wind chill values as low as 5. Light and variable wind becoming south 9 to 14 mph in the evening. Winds could gust as high as 21 mph.

    Low: 15 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 48. Wind chill values as low as 10 early. Breezy, with a south wind 13 to 16 mph becoming west in the afternoon. Winds could gust as high as 23 mph.

    High: 48 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 22. West northwest wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 22 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain and snow after noon. Mostly sunny, with a high near 42. Chance of precipitation is 20%.

    High: 42 °F

    Sunny then
    Slight Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow likely before midnight, then a chance of snow. Mostly cloudy, with a low around 21. Chance of precipitation is 60%.

    Low: 21 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 6. Wind chill values as low as -10. Blustery, with a north northwest wind 11 to 16 mph, with gusts as high as 26 mph.
Monday
Sunny, with a high near 26. Wind chill values as low as -10. North northwest wind 5 to 10 mph, with gusts as high as 18 mph.
Monday Night
Partly cloudy, with a low around 15. Wind chill values as low as 5. Light and variable wind becoming south 9 to 14 mph in the evening. Winds could gust as high as 21 mph.
Tuesday
Mostly cloudy, with a high near 48. Wind chill values as low as 10 early. Breezy, with a south wind 13 to 16 mph becoming west in the afternoon. Winds could gust as high as 23 mph.
Tuesday Night
Partly cloudy, with a low around 22. West northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Wednesday
A slight chance of rain and snow after noon. Mostly sunny, with a high near 42. Chance of precipitation is 20%.
Wednesday Night
Rain and snow likely before midnight, then a chance of snow. Mostly cloudy, with a low around 21. Chance of precipitation is 60%.
Thursday
Mostly sunny, with a high near 40.
Thursday Night
Mostly clear, with a low around 24.
Friday
Sunny, with a high near 60.
Friday Night
Mostly clear, with a low around 31.
Saturday
Mostly sunny, with a high near 49. Breezy.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
Partly sunny, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Martinsburg IA
 41.13°N 92.24°W
Last Update:
7:37 pm CST Feb 22, 2026
Forecast Valid:
8pm CST Feb 22, 2026-6pm CST Mar 1, 2026
 
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Additional Resources

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Chance of Precipitation