Bold charcoal drawing of a circular weather dial with tick marks and a slender indicator arm, rendered in deep charcoal grays against a warm parchment background. Boulder County Weather Foothills Station
Bold charcoal illustration of a wide winter sky sweeping over softly rolling ridges, dominated by cold slate and muted plum tones with a quiet, watchful mood.

Forecast & Advisories

Regional forecast, active advisories, and UV index guidance for the Boulder County, Colorado foothills.

7-Day Forecast

Outlook for the foothills area. Conditions and temperatures are illustrative placeholders for the station's forecast display.

Today
Sunny
78° / 52°
Tue
Mostly Sunny
80° / 54°
Wed
Partly Cloudy
79° / 53°
Thu
Thunder
74° / 51°
Fri
Showers
70° / 49°
Sat
Mostly Sunny
75° / 50°
Sun
Sunny
78° / 52°

Active Advisories

AdvisoryAir quality may be reduced during afternoon hours; sensitive groups should limit extended outdoor exertion.
WatchAfternoon thunderstorm development possible along the foothills; lightning risk for exposed ridges.

For nearby METAR aviation reports and NOAA climatereports, see the Reports page.

UV Index Forecast

Peak UV at solar noon is expected in the high range today. Use sun protection during midday exposure.

Low
High+

Track storms and lightning alongside the forecast on the Radar page.