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

Hazardous Weather Conditions

Current conditions at

Ottawa Putnam County Airport (KOWX)

Lat: 41.04°NLon: 83.98°WElev: 763ft.

Fog/Mist

70°F

21°C

Humidity 100%
Wind Speed N 5 mph
Barometer 30.15 in
Dewpoint 70°F (21°C)
Visibility 4.00 mi
Last update 7 Aug 6:15 am EDT
Extended Forecast for

Ottawa OH

Dense Fog Advisory until August 7, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory until August 7, 09:00am

    NOW until 9:00am Fri

    Dense Fog Advisory

  • Today

    High: 84 °F

    Chance
    T-storms and
    Areas Dense
    Fog

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 68. Southwest wind 5 to 10 mph.

    Low: 68 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 11am. Partly sunny, with a high near 84. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 84 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. West wind 5 to 10 mph.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 84. Light south wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 20%.

    High: 84 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Partly cloudy, with a low around 68. Chance of precipitation is 60%.

    Low: 68 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 60%.

    High: 86 °F

    Showers
    Likely then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 70%.

    Low: 70 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms. Areas of dense fog before 9am. Otherwise, partly sunny, with a high near 84. Southeast wind 5 to 10 mph becoming southwest in the afternoon.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 68. Southwest wind 5 to 10 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 11am. Partly sunny, with a high near 84. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 61. West wind 5 to 10 mph.
Sunday
A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 84. Light south wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 20%.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Partly cloudy, with a low around 68. Chance of precipitation is 60%.
Monday
Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 70%.
Tuesday
Showers likely and possibly a thunderstorm before 8am, then a slight chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 70%.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ottawa OH
 41.01°N 84.01°W (Elev. 719 ft)
Last Update:
6:30 am EDT Aug 7, 2026
Forecast Valid:
6am EDT Aug 7, 2026-6pm EDT Aug 13, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation