National Weather Service Forecast for: Northglenn CO
Issued by: National Weather Service Denver-Boulder, CO
Updated: 1:46 am MDT May 4, 2026
 
Today

Today: A 30 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a temperature falling to around 65 by 5pm. Northwest wind 9 to 11 mph, with gusts as high as 18 mph.
Chance
T-storms

 Tonight

Tonight: Showers likely and possibly a thunderstorm before midnight, then rain likely after midnight. Cloudy, with a low around 40. North wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.
Showers
Likely

 Tuesday

Tuesday: Rain before 7am, then rain, possibly mixed with snow between 7am and 3pm, then rain after 3pm. Some thunder is also possible. Temperature falling to around 37 by 4pm. North northeast wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Rain/Snow

 Tuesday
Night
Tuesday Night: Rain and snow, becoming all snow after midnight. Low around 32. North northeast wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Rain/Snow
then Snow

 Wednesday

Wednesday: Snow before 9am, then snow showers, mainly after 9am. Some thunder is also possible. High near 42. North wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Snow

 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 31.
Mostly Clear

 Thursday

Thursday: Sunny, with a high near 67.
Sunny

 Thursday
Night
Thursday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 43.
Slight Chance
T-storms then
Mostly Cloudy
 Friday

Friday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70.
Mostly Sunny
then Slight
Chance
T-storms
Hi 72 °F⇓ Lo 40 °F Hi 41 °F⇓ Lo 32 °F Hi 42 °F Lo 31 °F Hi 67 °F Lo 43 °F Hi 70 °F

Winter Storm Watch
 

Today
 
 A 30 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a temperature falling to around 65 by 5pm. Northwest wind 9 to 11 mph, with gusts as high as 18 mph.
Tonight
 
 Showers likely and possibly a thunderstorm before midnight, then rain likely after midnight. Cloudy, with a low around 40. North wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.
Tuesday
 
 Rain before 7am, then rain, possibly mixed with snow between 7am and 3pm, then rain after 3pm. Some thunder is also possible. Temperature falling to around 37 by 4pm. North northeast wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tuesday Night
 
 Rain and snow, becoming all snow after midnight. Low around 32. North northeast wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Wednesday
 
 Snow before 9am, then snow showers, mainly after 9am. Some thunder is also possible. High near 42. North wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Wednesday Night
 
 Mostly clear, with a low around 31.
Thursday
 
 Sunny, with a high near 67.
Thursday Night
 
 A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 43.
Friday
 
 A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70.
Friday Night
 
 Partly cloudy, with a low around 47.
Saturday
 
 A chance of showers and thunderstorms. Partly sunny, with a high near 73.
Saturday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 45.
Sunday
 
 A chance of showers and thunderstorms. Mostly sunny, with a high near 65.

 

Forecast from NOAA-NWS for Northglenn CO.