National Weather Service United States Department of Commerce

Heavy rain and mountain snow across the northwestern U.S. on Saturday

Another Pacific system will impact the West Coast today. Heavy rainfall could lead to flash flooding, river and small stream flooding as well as mudslides and debris flows, especially over burn scars. Strong winds and heavy elevation 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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Romeoville IL

7 Day Forecast

For More Weather Information:

Chicago, IL Local Forecast Office

This
Afternoon

Cloudy

Cloudy

High: 35 °F

Tonight

Cloudy

Cloudy

Low: 27 °F

Sunday

Cloudy

Cloudy

High: 37 °F

Sunday
Night

Cloudy

Cloudy

Low: 30 °F

Monday

Rain Likely Chance for Measurable Precipitation 60%

Rain
Likely

High: 43 °F

Monday
Night

Rain Likely Chance for Measurable Precipitation 70%

Rain
Likely

Low: 40 °F

Tuesday

Rain Likely Chance for Measurable Precipitation 60%

Rain
Likely

High: 45 °F

Tuesday
Night

Chance Rain/Snow

Chance
Rain/Snow

Low: 34 °F

Wednesday

Chance Snow

Chance
Snow

High: 36 °F

Detailed Forecast

  • This Afternoon Cloudy, with a high near 35. South wind around 5 mph.
  • Tonight Cloudy, with a low around 27. South wind 5 to 10 mph.
  • Sunday Cloudy, with a high near 37. South wind 10 to 15 mph, with gusts as high as 20 mph.
  • Sunday Night Cloudy, with a low around 30. South wind around 10 mph, with gusts as high as 15 mph.
  • Monday Rain likely, mainly after noon. Cloudy, with a high near 43. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
  • Monday Night Rain likely. Cloudy, with a low around 40. Chance of precipitation is 70%.
  • Tuesday Rain likely. Cloudy, with a high near 45. Chance of precipitation is 60%.
  • Tuesday Night A chance of rain and snow. Cloudy, with a low around 34.
  • Wednesday A chance of snow. Cloudy, with a high near 36. Breezy.
  • Wednesday Night A chance of snow. Mostly cloudy, with a low around 26. Breezy.
  • Christmas Day Partly sunny, with a high near 34.
  • Thursday Night A slight chance of snow showers. Mostly cloudy, with a low around 25.
  • Friday A chance of rain and snow showers. Mostly cloudy, with a high near 40.