gpt-oss-120b Analysis · Jul 3, 2026
Unsafe
MEDIUM RISK
gpt-oss-120b
93% confidence
Summary
Extreme heat with heat index up to 109°F and increasing chance of isolated thunderstorms after 4 PM make driving hazardous, especially in the late afternoon.
Hourly Forecast
7 AM 1%
3 mph
8 AM 1%
5 mph
9 AM 1%
5 mph
10 AM 0%
6 mph
11 AM 0%
6 mph
12 PM 2%
7 mph
1 PM 3%
8 mph
2 PM 5%
9 mph
3 PM 10%
9 mph
4 PM 15%
10 mph
5 PM 20%
9 mph
6 PM 20%
9 mph
7 PM 20%
8 mph
8 PM 20%
7 mph
9 PM 22%
6 mph
10 PM 24%
6 mph
11 PM 26%
6 mph
Key Factors
- 01 Extreme Heat Warning: heat index 100‑110°F, risk of heat‑related illness for drivers and passengers.
- 02 Increasing probability of isolated showers and thunderstorms after 4 PM (up to 20‑26% chance, with gusty winds up to 10 mph).
- 03 Potential for sudden heavy rain reducing visibility and creating slick road surfaces.
- 04 High humidity in the evening (up to 65%) can exacerbate heat stress and fog formation.
Confidence
93%
Recommendation
Drive early in the morning, e.g., 07:00‑09:00 EDT, when temperatures are coolest and storms have not yet developed. If travel is needed later, wait until after the main thunderstorm period, e.g., after 20:00 EDT, when the rain chance decreases and temperatures begin to fall.