Forecast for Thornton, Colorado |
Today's Weather Story 48 Hour Graphical Forecast |
| National Weather Service Forecast for:
Thornton, CO Issued by: National Weather Service Denver/Boulder, CO |
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| Updated: Wed, 17-Dec-2025 2:06am MST | ||||||||||||||||||||||||||||||||||||||||
| Thornton | ||||||||||||||||||||||||||||||||||||||||
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Red Flag Warning issued December 17 at 1:49AM MST until December 17 at 6:00PM MST
Red Flag Warning issued December 16 at 2:10PM MST until December 17 at 6:00PM MST
| Overnight |
Mostly cloudy, with a low around 37. South southwest wind around 10 mph, with gusts as high as 18 mph. |
| Wednesday |
A chance of rain showers after 5pm. Mostly sunny. High near 69, with temperatures falling to around 64 in the afternoon. Southwest wind 10 to 29 mph, with gusts as high as 49 mph. Chance of precipitation is 30%. |
| Wednesday Night |
A chance of rain showers before 10pm, then a chance of rain and snow showers between 10pm and 11pm. Mostly clear. Low around 32, with temperatures rising to around 36 overnight. West northwest wind 15 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 30%. |
| Thursday |
Sunny, with a high near 50. North wind 7 to 14 mph, with gusts as high as 22 mph. |
| Thursday Night |
Partly cloudy, with a low around 36. South southwest wind around 9 mph, with gusts as high as 17 mph. |
| Friday |
Partly sunny, with a high near 68. |
| Friday Night |
A slight chance of rain showers after 5am. Partly cloudy, with a low around 47. |
| Saturday |
A slight chance of rain showers before 11am. Mostly sunny, with a high near 64. |
| Saturday Night |
Partly cloudy, with a low around 33. |
| Sunday |
Mostly sunny, with a high near 57. |
| Sunday Night |
Partly cloudy, with a low around 36. |
| Monday |
Mostly sunny, with a high near 66. |
| Monday Night |
Partly cloudy, with a low around 38. |
| Tuesday |
Mostly sunny, with a high near 63. |
Forecast from NOAA-NWS for Thornton, CO.