claude-sonnet-5-5 Analysis · May 20, 2026
Safe
MEDIUM RISK
claude-sonnet-5-5
80% confidence
Summary
Hot, sunny morning turns to a line of showers and thunderstorms from mid-afternoon through the night, with a Heat Advisory until 8 PM. Driving is generally safe, but the afternoon and evening bring a risk of reduced visibility, wet roads, and gusty winds.
Hourly Forecast
7 AM 2%
6 mph
8 AM 2%
8 mph
9 AM 2%
9 mph
10 AM 2%
10 mph
11 AM 4%
10 mph
12 PM 10%
12 mph
1 PM 18%
12 mph
2 PM 29%
12 mph
3 PM 40%
13 mph
4 PM 52%
13 mph
5 PM 64%
12 mph
6 PM 65%
12 mph
7 PM 34%
9 mph
8 PM 45%
8 mph
9 PM 45%
8 mph
10 PM 63%
7 mph
11 PM 39%
7 mph
Key Factors
- 01 Heat Advisory until 8 PM EDT: heat index near 93-95 F, raising risk of vehicle overheating or breakdown and heat illness if stranded
- 02 Showers and thunderstorms chance rises from about 1 PM (18%) to 64-65% between 5 PM and 7 PM
- 03 Thunderstorms may bring heavy downpours, reduced visibility, and hydroplaning; rainfall totals are light (0.1 to 0.25 inch)
- 04 West wind gusts up to 23 mph in the afternoon may affect high-profile vehicles
- 05 A second round of showers and thunderstorms is likely around 10 PM (63%) and continues overnight at 39%+
- 06 No visibility, fog, or icing concerns in the data; temperatures are far above freezing, and visibility data is not provided
Confidence
80%
Recommendation
Best times to drive: morning between 7 AM and 11 AM (sunny, dry, lower heat), and evening between 7 PM and 8 PM, when the rain chance dips to about 34%. Avoid 3 PM to 7 PM and after 10 PM if possible due to thunderstorms. Carry water, check tire pressure and coolant, never leave people or pets in parked cars, and slow down and increase following distance in rain.