claude-sonnet-4-6 Analysis · Mar 3, 2026
A Winter Weather Advisory is in effect from 7 AM to 3 PM EST with mixed precipitation including snow, freezing rain, and patchy fog throughout the day. Temperatures hover near or below freezing through the morning, creating significant ice and slippery road risks, transitioning to rain and fog through the evening.
- 01 Active Winter Weather Advisory from 7 AM to 3 PM EST for Morris, Sussex, and Warren Counties, with up to 1 inch of snow and light ice glaze expected.
- 02 Temperatures between 28–33°F from 6 AM to 10 AM create high risk of ice formation on road surfaces, especially bridges and overpasses.
- 03 Freezing rain possible between 7 AM and 10 AM, which can create nearly invisible black ice on roads.
- 04 Patchy fog reported from 7 AM through at least 1 PM, reducing visibility with no quantified visibility data available — adding further uncertainty.
- 05 High precipitation probability throughout the day: 59–96% from 9 AM onward, with near-100% chance all day per the daily forecast.
- 06 Evening and overnight rain (75–97% probability from 6 PM through midnight) on cold road surfaces near 37–38°F still poses wet and potentially icy conditions.
- 07 Temperatures only marginally above freezing in the afternoon (35–37°F), meaning roads may not fully clear of ice before evening.
If driving is absolutely necessary, the safest morning window is before 7:00 AM EST, when precipitation probability is low (15%) and only a slight chance of light snow exists. For the evening, the relatively safest window is between 4:00 PM and 5:00 PM EST, after the Winter Weather Advisory expires at 3 PM and before the heavier evening rain resumes — though wet roads and fog will still be present, so drive with extra caution. Avoid driving between 7 AM and 3 PM EST if at all possible.