Current weather conditions & forecasts for Mt. Wilson

Roads to the Observatory:

Check the homepage for closures. We do our best to keep it current as things change.

Be aware of winter conditions in the mountains before driving up. After winter storms, like the one on Dec 5-6, the upper roads may have lingering patches of black ice, which can contribute to an accident, and recently did. This is especially true on Red Box Road from the Angeles Crest Highway (2) up to the Observatory. This road is on the north side of the mountain and often receives little sun to melt the ice. Please drive it with caution.

Additional Current Weather and Road-related Information:

The following sites provide weather forecast and condition information and the status of county and state roads that provide access to Mount Wilson Observatory:

• Current Conditions (Frequently Updated) from CHARA Weather Stations
• MWO National Weather Service Brief Forecast
• MWO National Weather Service Detailed Forecast
• National Weather Service Los Angeles County Mountains Forecast
• MWO Clear Sky Chart
• CALTRANS Angeles Crest Hwy Status
• Los Angeles County Roads Status
• Angeles National Forest Incident Report