National Weather Service United States Department of Commerce

Heavy rain and mountain snow across the northwestern U.S. this weekend

A Pacific storm system will continue to impact the West Coast through Sunday. Heavy rainfall could lead to flash flooding, river and small stream flooding, as well as mudslides and debris flows, especially over burn scars. At higher elevations, strong winds and heavy snowfall, with accumulations of 1 to 3 feet, could result in hazardous travel through mountain passes.
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Hazardous Weather Conditions

Current Conditions

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Ottawa IL

7 Day Forecast

For More Weather Information:

Chicago, IL Local Forecast Office

Today

Patchy Fog

Patchy
Fog

High: 38 °F

Tonight

Cloudy

Cloudy

Low: 31 °F

Monday

Rain Chance for Measurable Precipitation 80%

Rain

High: 43 °F

Monday
Night

Rain Chance for Measurable Precipitation 80%

Rain

Low: 40 °F

Tuesday

Slight Chance Rain Chance for Measurable Precipitation 20%

Slight Chc
Rain

High: 46 °F

Tuesday
Night

Chance Rain/Snow Chance for Measurable Precipitation 40%

Chance
Rain/Snow

Low: 33 °F

Wednesday

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

High: 36 °F

Wednesday
Night

Slight Chance Snow

Slight Chc
Snow

Low: 26 °F

Christmas
Day

Partly Sunny

Partly
Sunny

High: 37 °F

Detailed Forecast

  • Today Patchy fog before 9am. Otherwise, cloudy, with a high near 38. South wind 10 to 15 mph.
  • Tonight Cloudy, with a low around 31. South southeast wind around 10 mph, with gusts as high as 15 mph.
  • Monday Rain, mainly after noon. High near 43. Southeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Monday Night Rain. Low around 40. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
  • Tuesday A 20 percent chance of rain. Cloudy, with a high near 46. South wind 5 to 10 mph.
  • Tuesday Night A chance of rain and snow before midnight, then a chance of snow. Cloudy, with a low around 33. Chance of precipitation is 40%.
  • Wednesday A 40 percent chance of snow. Cloudy, with a high near 36.
  • Wednesday Night A slight chance of snow. Mostly cloudy, with a low around 26.
  • Christmas Day Partly sunny, with a high near 37.
  • Thursday Night A slight chance of snow. Mostly cloudy, with a low around 26.
  • Friday A chance of rain and snow. Mostly cloudy, with a high near 38.
  • Friday Night A slight chance of snow showers. Mostly cloudy, with a low around 22.
  • Saturday Mostly sunny, with a high near 28.