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Forecast for Thornton, CO
Updated: 2:58 pm MST Dec 13, 2017
Tonight

Tonight: Snow likely, mainly between 9pm and midnight.  Cloudy, with a low around 24. Northeast wind 5 to 7 mph becoming light and variable  after midnight.  Chance of precipitation is 60%. Total nighttime snow accumulation of 1 to 2 inches possible.
Snow Likely


Lo 24 °F
Snow likely, mainly between 9pm and midnight. Cloudy, with a low around 24. Northeast wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 60%. Total nighttime snow accumulation of 1 to 2 inches possible.
Thursday

Thursday: A 20 percent chance of snow showers before 10am.  Cloudy through mid morning, then gradual clearing, with a high near 40. Light and variable wind becoming north 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
Slight Chance
Snow Showers
then Mostly
Sunny

Hi 40 °F
A 20 percent chance of snow showers before 10am. Cloudy through mid morning, then gradual clearing, with a high near 40. Light and variable wind becoming north 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
Thursday
Night
Thursday Night: Mostly clear, with a low around 22. South southwest wind 3 to 6 mph.
Mostly Clear


Lo 22 °F
Friday

Friday: Mostly sunny, with a high near 58. Southwest wind around 6 mph.
Mostly Sunny


Hi 58 °F
Friday
Night
Friday Night: Partly cloudy, with a low around 30. Southwest wind 3 to 5 mph.
Partly Cloudy


Lo 30 °F
Saturday

Saturday: Partly sunny, with a high near 47.
Partly Sunny


Hi 47 °F
Saturday
Night
Saturday Night: A 30 percent chance of snow showers.  Mostly cloudy, with a low around 20.
Chance Snow
Showers


Lo 20 °F
Sunday

Sunday: A slight chance of snow showers before 11am.  Partly sunny, with a high near 37.
Slight Chance
Snow Showers
then Mostly
Sunny

Hi 37 °F
Sunday
Night
Sunday Night: Mostly clear, with a low around 20.
Mostly Clear


Lo 20 °F