National Weather Service Forecast for: Security-Widefield CO
Issued by: National Weather Service Pueblo, CO
Updated: 12:31 am MDT Aug 20, 2026
 
Overnight

Overnight: Partly cloudy, with a low around 59. North wind around 5 mph.
Partly Cloudy

 Thursday

Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Calm wind becoming east northeast around 5 mph in the afternoon.
Sunny then
Slight Chance
T-storms
 Thursday
Night
Thursday Night: A 20 percent chance of showers and thunderstorms before 10pm. Mostly clear, with a low around 61. East wind around 5 mph becoming west in the evening. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Slight Chance
T-storms then
Mostly Clear
 Friday

Friday: A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 96. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Sunny then
Slight Chance
T-storms
 Friday
Night
Friday Night: A 10 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 62. Northwest wind 5 to 10 mph.
Slight Chance
T-storms then
Partly Cloudy
 Saturday

Saturday: A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 93. Light and variable wind becoming south southeast 10 to 15 mph in the afternoon.
Sunny then
Slight Chance
T-storms
 Saturday
Night
Saturday Night: Showers likely and possibly a thunderstorm before midnight. Mostly cloudy, with a low around 61. South wind 5 to 15 mph becoming north northwest in the evening. Chance of precipitation is 60%.
Showers
Likely then
Mostly Cloudy
 Sunday

Sunday: Showers and thunderstorms likely after noon. Mostly sunny, with a high near 92. West northwest wind around 5 mph. Chance of precipitation is 60%.
Mostly Sunny
then T-storms
Likely
 Sunday
Night
Sunday Night: A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 61. West wind 5 to 10 mph.
Chance
T-storms then
Mostly Cloudy
Lo 59 °F Hi 93 °F Lo 61 °F Hi 96 °F Lo 62 °F Hi 93 °F Lo 61 °F Hi 92 °F Lo 61 °F

Hazardous Weather Outlook
 

Overnight
 
 Partly cloudy, with a low around 59. North wind around 5 mph.
Thursday
 
 A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Calm wind becoming east northeast around 5 mph in the afternoon.
Thursday Night
 
 A 20 percent chance of showers and thunderstorms before 10pm. Mostly clear, with a low around 61. East wind around 5 mph becoming west in the evening. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
 
 A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 96. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Friday Night
 
 A 10 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 62. Northwest wind 5 to 10 mph.
Saturday
 
 A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 93. Light and variable wind becoming south southeast 10 to 15 mph in the afternoon.
Saturday Night
 
 Showers likely and possibly a thunderstorm before midnight. Mostly cloudy, with a low around 61. South wind 5 to 15 mph becoming north northwest in the evening. Chance of precipitation is 60%.
Sunday
 
 Showers and thunderstorms likely after noon. Mostly sunny, with a high near 92. West northwest wind around 5 mph. Chance of precipitation is 60%.
Sunday Night
 
 A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 61. West wind 5 to 10 mph.
Monday
 
 A 30 percent chance of showers and thunderstorms after noon. Sunny, with a high near 92. Northwest wind 5 to 10 mph becoming east in the afternoon.
Monday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. West northwest wind 5 to 10 mph.
Tuesday
 
 A chance of showers and thunderstorms. Sunny, with a high near 90. Northwest wind around 5 mph becoming southeast in the afternoon.
Tuesday Night
 
 A chance of showers and thunderstorms. Partly cloudy, with a low around 58. Northwest wind 5 to 10 mph.
Wednesday
 
 A chance of showers and thunderstorms. Sunny, with a high near 90. West wind around 5 mph becoming south southeast in the afternoon.

 

Forecast from NOAA-NWS for Security-Widefield CO.