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.

A Few Clouds

38°F

3°C

Humidity 89%
Wind Speed N 3 mph
Barometer 30.17 in (1022.1 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 1 Nov 6:53 pm CDT
Extended Forecast for

4 Miles SSE Martinsburg IA

  • Tonight

    Tonight: A 20 percent chance of showers before 8pm. Patchy fog after 4am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 29. Northwest wind around 5 mph becoming calm after midnight.

    Low: 29 °F

    Slight Chance
    Showers then
    Patchy Fog

  • Sunday

    Sunday: Patchy fog between 9am and 10am. Areas of freezing fog between 8am and 9am. Otherwise, sunny, with a high near 53. Light southwest wind becoming south southwest 8 to 13 mph in the morning. Winds could gust as high as 20 mph.

    High: 53 °F

    Areas
    Freezing Fog
    and Patchy
    Fog then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. South wind around 10 mph.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 62. West southwest wind 7 to 9 mph becoming north northwest in the afternoon.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 39. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers before 8pm. Patchy fog after 4am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 29. Northwest wind around 5 mph becoming calm after midnight.
Sunday
Patchy fog between 9am and 10am. Areas of freezing fog between 8am and 9am. Otherwise, sunny, with a high near 53. Light southwest wind becoming south southwest 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 38. South wind around 10 mph.
Monday
Sunny, with a high near 62. West southwest wind 7 to 9 mph becoming north northwest in the afternoon.
Monday Night
Partly cloudy, with a low around 39. Calm wind becoming south southeast around 5 mph after midnight.
Tuesday
Mostly sunny, with a high near 67.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Mostly clear, with a low around 37.
Thursday
Partly sunny, with a high near 64.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 47.
Friday
Sunny, with a high near 65.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 59. Breezy.
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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:
7:02 pm CDT Nov 1, 2025
Forecast Valid:
7pm CDT Nov 1, 2025-6pm CST Nov 8, 2025
 
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