Tomorrow | Weather | Thornton, Colorado

Active Weather Warnings
Wednesday, June 10, 2026
Cloudy Weather
Day 91°
Night 55°
Precipitation 3 %
Wind 10 mph
UV Index (0 - 11+) 11
Weather Forecast History
Last Year's Weather on This Day (June 10, 2025)
Cloudy Weather

Day

90°

Night

61°

Wind

7 mph

UV Index

12

Precipitation

8 %

Weather Alerts and Warnings for

Severe Future Possible

Fire Weather Watch

Fire Weather Watch issued June 9 at 12:34AM MDT until June 10 at 8:00PM MDT by NWS Denver CO
Jun 10, 12:00 PM Jun 10, 8:00 PM
The National Weather Service in Denver has issued a Fire Weather
Watch for wind and low relative humidity, which is in effect from
Wednesday afternoon through Wednesday evening.

* AFFECTED AREA...Fire Weather Zones 240, 241, 242, 243, 244,
245, 246, 247, 248, 249, 250 and 251.

* TIMING...For the Red Flag Warning, from noon today to 9 PM MDT
this evening. For the Fire Weather Watch, from Wednesday
afternoon through Wednesday evening.

* WINDS...For today, southwest winds 20 to 25 mph with gusts up
to 40 mph. For Wednesday, west winds 15 to 25 mph with gusts up
to 40 mph.

* RELATIVE HUMIDITY...As low as 10 percent for Tuesday and
Wednesday.

IMPACTS: Conditions will be favorable for rapid fire spread in
areas that did not receive significant rainfall on Monday.
Avoid outdoor burning and any activity that may produce a spark
and start a wildfire.
+ Read More
A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.
Updated: Jun 9, 11:32 AM Source: NWS Alert
Severe Expected Likely

Red Flag Warning

Red Flag Warning issued June 9 at 12:57PM MDT until June 10 at 8:00PM MDT by NWS Denver CO
Jun 10, 12:00 PM Jun 10, 8:00 PM
The National Weather Service in Denver has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
from noon to 8 PM MDT Wednesday. The Fire Weather Watch is no
longer in effect.

* AFFECTED AREA...Fire Weather Zones 240, 241, 242, 243, 244,
245, 248, 250 and 251.

* TIMING...For the first Red Flag Warning, until 9 PM MDT this
evening. For the second Red Flag Warning, from noon to 8 PM
MDT Wednesday.

* WINDS...West 15 to 25 mph with gusts up to 40 mph.

* RELATIVE HUMIDITY...As low as 11 percent.

IMPACTS: Conditions will be favorable for rapid fire spread.
Avoid outdoor burning and any activity that may produce a
spark and start a wildfire.
+ Read More
A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior.
Updated: Jun 9, 5:40 PM Source: NWS Alert