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 Pacific Northwest through late 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.
Read More...

Hazardous Weather Conditions

Current Conditions

En Español

Share |

Littleton CO

7 Day Forecast

For More Weather Information:

Denver-Boulder, CO Local Forecast Office

Tonight

Slight Chance Rain/Snow Chance for Measurable Precipitation 20%

Slight Chc
Rain/Snow

Low: -1 °C

Monday

Slight Chance Rain/Snow Chance for Measurable Precipitation 20%

Slight Chc
Rain/Snow

High: 4 °C

Monday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: -6 °C

Tuesday

Partly Sunny

Partly
Sunny

High: 4 °C

Tuesday
Night

Mostly Clear

Mostly
Clear

Low: -8 °C

Wednesday

Sunny

Sunny

High: 11 °C

Wednesday
Night

Mostly Clear

Mostly
Clear

Low: 1 °C

Christmas
Day

Mostly Sunny

Mostly
Sunny

High: 11 °C

Thursday
Night

Slight Chance Snow

Slight Chc
Snow

Low: -8 °C

Detailed Forecast

  • Tonight A slight chance of rain and snow showers between 11pm and 2am, then a slight chance of snow after 2am. Mostly cloudy, with a low around -1. Breezy, with a west northwest wind 22 to 27 km/h decreasing to 16 to 21 km/h after midnight. Winds could gust as high as 40 km/h. Chance of precipitation is 20%.
  • Monday A slight chance of snow before 11am, then a slight chance of rain and snow. Partly sunny, with a high near 4. North northwest wind 11 to 21 km/h, with gusts as high as 32 km/h. Chance of precipitation is 20%.
  • Monday Night A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around -6. Northwest wind 8 to 11 km/h.
  • Tuesday Partly sunny, with a high near 4. North northwest wind around 14 km/h.
  • Tuesday Night Mostly clear, with a low around -8. West wind around 11 km/h.
  • Wednesday Sunny, with a high near 11.
  • Wednesday Night Mostly clear, with a low around 1.
  • Christmas Day Mostly sunny, with a high near 11.
  • Thursday Night A slight chance of snow. Mostly cloudy, with a low around -8.
  • Friday Mostly sunny, with a high near 1.
  • Friday Night Partly cloudy, with a low around -11.
  • Saturday Sunny, with a high near 3.
  • Saturday Night Partly cloudy, with a low around -4.
  • Sunday Mostly sunny, with a high near 7.