gpt-5.4 Analysis · Mar 21, 2026
Safe
MEDIUM RISK
gpt-5.4
91% confidence
Summary
Driving is generally safe for most of today, with dry weather, mild temperatures, and light to moderate winds. The main hazard is dense fog early this morning through about 8:00 AM EDT, when visibility may drop to around one-quarter mile.
Hourly Forecast
7 AM 0%
8 mph
8 AM 0%
9 mph
9 AM 0%
12 mph
10 AM 0%
13 mph
11 AM 0%
12 mph
12 PM 0%
12 mph
1 PM 0%
10 mph
2 PM 0%
9 mph
3 PM 0%
8 mph
4 PM 0%
8 mph
5 PM 1%
7 mph
6 PM 1%
7 mph
7 PM 1%
5 mph
8 PM 1%
2 mph
9 PM 2%
3 mph
10 PM 2%
3 mph
11 PM 2%
5 mph
Key Factors
- 01 Active Dense Fog Advisory until about 8:00 AM EDT with visibility as low as one-quarter mile
- 02 Low visibility in the early morning can make driving hazardous
- 03 After 8:00 AM EDT, the forecast is dry with 0-2% precipitation chances
- 04 Temperatures stay well above freezing, reducing ice risk
- 05 Winds are modest, generally around 2 to 13 mph, with no major wind hazard indicated
Confidence
91%
Recommendation
Avoid driving before 8:00 AM EDT if possible due to dense fog. Safer morning slot: 9:00 AM-11:00 AM EDT. Safer evening slot: 6:00 PM-9:00 PM EDT, when conditions remain dry and winds are light.