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

46°F

8°C

Humidity 100%
Wind Speed NW 5 mph
Barometer 29.67 in (1005.0 mb)
Dewpoint 46°F (8°C)
Visibility 0.25 mi
Wind Chill44°F (7°C)
Last update 26 Dec 2:53 am CST
Extended Forecast for

Agency IA

Dense Fog Advisory December 26, 03:00am until December 26, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory December 26, 03:00am until December 26, 09:00am

    NOW until 9:00am Fri

    Dense Fog Advisory

  • Overnight

    Low: 48 °F

    Slight Chance
    Drizzle and
    Areas Dense
    Fog

  • Friday

    Friday: Areas of dense fog before noon. Otherwise, partly sunny, with a high near 50. Northwest wind 5 to 10 mph becoming light north northwest in the afternoon.

    High: 50 °F

    Areas Dense
    Fog then
    Partly Sunny

  • Friday Night

    Friday Night: Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 40. Calm wind becoming southeast 5 to 8 mph after midnight.

    Low: 40 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 53. Southeast wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 53 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 47. South southeast wind 6 to 8 mph becoming west northwest after midnight.

    Low: 47 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: A chance of rain before 3pm, then a chance of rain and snow. Cloudy, with a high near 47. Breezy. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 47 °F

    Chance Rain
    then Chance
    Rain/Snow and
    Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 13. Windy.

    Low: 13 °F

    Mostly Cloudy
    and Windy

  • Monday

    Monday: Mostly sunny, with a high near 24. Windy.

    High: 24 °F

    Mostly Sunny
    and Windy

Detailed Forecast

Overnight
A slight chance of drizzle before 5am. Areas of dense fog. Otherwise, mostly cloudy, with a steady temperature around 48. West wind 6 to 8 mph.
Friday
Areas of dense fog before noon. Otherwise, partly sunny, with a high near 50. Northwest wind 5 to 10 mph becoming light north northwest in the afternoon.
Friday Night
Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 40. Calm wind becoming southeast 5 to 8 mph after midnight.
Saturday
Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 53. Southeast wind 8 to 13 mph, with gusts as high as 21 mph.
Saturday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 47. South southeast wind 6 to 8 mph becoming west northwest after midnight.
Sunday
A chance of rain before 3pm, then a chance of rain and snow. Cloudy, with a high near 47. Breezy. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Mostly cloudy, with a low around 13. Windy.
Monday
Mostly sunny, with a high near 24. Windy.
Monday Night
Mostly clear, with a low around 14.
Tuesday
Mostly sunny, with a high near 38.
Tuesday Night
Partly cloudy, with a low around 22.
Wednesday
Partly sunny, with a high near 32.
Wednesday Night
Mostly cloudy, with a low around 14.
New Year's Day
Mostly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Agency IA
 41°N 92.3°W
Last Update:
2:36 am CST Dec 26, 2025
Forecast Valid:
3am CST Dec 26, 2025-6pm CST Jan 1, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation