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

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Current conditions at

Ottawa Putnam County Airport (KOWX)

Lat: 41.04°NLon: 83.98°WElev: 763ft.

A Few Clouds

41°F

5°C

Humidity 81%
Wind Speed E 17 mph
Barometer 30.17 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 25 Dec 2:40 pm EST
Extended Forecast for

3 Miles ENE Ottawa OH

  • Christmas Day

    Christmas Day: Mostly cloudy, with a high near 43. Northeast wind around 15 mph, with gusts as high as 20 mph.

    High: 43 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 30 percent chance of rain, mainly after 5am. Mostly cloudy, with a low around 32. East wind around 10 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Rain, mainly before 1pm. High near 50. Southeast wind around 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%.

    High: 50 °F

    Rain

  • Friday Night

    Friday Night: Cloudy, with a low around 33. Northwest wind 5 to 10 mph.

    Low: 33 °F

    Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 42. East wind 5 to 10 mph.

    High: 42 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: Rain likely, then rain and possibly a thunderstorm after 1pm. High near 62. Chance of precipitation is 90%.

    High: 62 °F

    Rain

  • Sunday Night

    Sunday Night: Rain before 1am, then rain likely, possibly mixed with snow. Low around 28. Breezy. Chance of precipitation is 90%.

    Low: 28 °F

    Rain then
    Rain/Snow and
    Breezy

  • Monday

    Monday: A chance of rain and snow before 1pm, then a slight chance of snow. Cloudy, with a high near 35. Breezy. Chance of precipitation is 30%.

    High: 35 °F

    Chance
    Rain/Snow and
    Breezy

Detailed Forecast

Christmas Day
Mostly cloudy, with a high near 43. Northeast wind around 15 mph, with gusts as high as 20 mph.
Tonight
A 30 percent chance of rain, mainly after 5am. Mostly cloudy, with a low around 32. East wind around 10 mph, with gusts as high as 20 mph.
Friday
Rain, mainly before 1pm. High near 50. Southeast wind around 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Friday Night
Cloudy, with a low around 33. Northwest wind 5 to 10 mph.
Saturday
Mostly cloudy, with a high near 42. East wind 5 to 10 mph.
Saturday Night
A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 37.
Sunday
Rain likely, then rain and possibly a thunderstorm after 1pm. High near 62. Chance of precipitation is 90%.
Sunday Night
Rain before 1am, then rain likely, possibly mixed with snow. Low around 28. Breezy. Chance of precipitation is 90%.
Monday
A chance of rain and snow before 1pm, then a slight chance of snow. Cloudy, with a high near 35. Breezy. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 19. Breezy.
Tuesday
Mostly cloudy, with a high near 26.
Tuesday Night
Mostly cloudy, with a low around 20.
Wednesday
Mostly cloudy, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Ottawa OH
 41.03°N 83.98°W (Elev. 764 ft)
Last Update:
2:01 pm EST Dec 25, 2025
Forecast Valid:
2pm EST Dec 25, 2025-6pm EST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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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