National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Fog/Mist

50°F

10°C

Humidity 96%
Wind Speed N 9 mph
Barometer 29.67 in (1004.7 mb)
Dewpoint 49°F (9°C)
Visibility 4.00 mi
Wind Chill46°F (8°C)
Last update 10 Mar 8:53 pm CDT
Extended Forecast for

4 Miles SSE Martinsburg IA

  • Tonight

    Tonight: A slight chance of rain and thunderstorms before 10pm, then a chance of rain after 4am. Mostly cloudy, with a low around 37. North northwest wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 37 °F

    Slight Chance
    T-storms then
    Chance Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 46. Windy, with a north northwest wind 16 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Windy. Rain
    Likely then
    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Clear, with a low around 27. North northwest wind 6 to 15 mph becoming west southwest after midnight. Winds could gust as high as 24 mph.

    Low: 27 °F

    Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 54. Windy, with a southwest wind 7 to 12 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 54 °F

    Sunny then
    Mostly Cloudy
    and Windy

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 38. Windy, with a south southwest wind 21 to 25 mph becoming west after midnight. Winds could gust as high as 40 mph.

    Low: 38 °F

    Slight Chance
    Rain and
    Windy

  • Friday

    Friday: Partly sunny, with a high near 51. Windy.

    High: 51 °F

    Partly Sunny
    and Windy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Rain likely after 1am. Cloudy, with a low around 35. Breezy. Chance of precipitation is 60%.

    Low: 35 °F

    Cloudy then
    Rain Likely
    and Breezy

Detailed Forecast

Tonight
A slight chance of rain and thunderstorms before 10pm, then a chance of rain after 4am. Mostly cloudy, with a low around 37. North northwest wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain likely, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 46. Windy, with a north northwest wind 16 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Clear, with a low around 27. North northwest wind 6 to 15 mph becoming west southwest after midnight. Winds could gust as high as 24 mph.
Thursday
Increasing clouds, with a high near 54. Windy, with a southwest wind 7 to 12 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph.
Thursday Night
A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 38. Windy, with a south southwest wind 21 to 25 mph becoming west after midnight. Winds could gust as high as 40 mph.
Friday
Partly sunny, with a high near 51. Windy.
Friday Night
Mostly cloudy, with a low around 33.
Saturday
Mostly cloudy, with a high near 57.
Saturday Night
Rain likely after 1am. Cloudy, with a low around 35. Breezy. Chance of precipitation is 60%.
Sunday
Rain and snow likely, mainly before 1pm. Mostly cloudy, with a high near 44. Windy. Chance of precipitation is 60%.
Sunday Night
Mostly cloudy, with a low around 11. Windy.
Monday
Sunny, with a high near 28.
Monday Night
Partly cloudy, with a low around 12.
Tuesday
Mostly cloudy, with a high near 38.
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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:
7:28 pm CDT Mar 10, 2026
Forecast Valid:
9pm CDT Mar 10, 2026-6pm CDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation