Blair Weather Event Update – 3:PM, January 4, 2025

FORECAST UPDATE 2:45 PM Previous forecasts are being refined based on new data. Key changes: Snow onset timing is better defined, with highest probabilities between 7-9 PM. Main snow accumulation period looks to be more concentrated in the evening hours. Visibilities will drop significantly during periods of snow.

DETAILED HOURLY BREAKDOWN (Today through Tonight)

• Now-6PM: Cloudy, 16°F, ENE winds 12-13 mph. Feels like 2°F. Visibility good (7-10 miles).
• 7PM: Snow showers developing (49% chance). Temp 16°F, ENE 12 mph. Visibility dropping to 3 miles. Around 0.2″ accumulation.
• 8PM: Peak snow (68% chance). Temp 16°F, NE 12 mph. Visibility under 1 mile. Around 0.3″ accumulation.
• 9PM: Snow showers (57% chance). Temp 16°F, NE 13 mph. Visibility under 1 mile. Around 0.2″ accumulation.
• 10PM-11PM: Cloudy, scattered snow showers (20% chance). Temp 16-17°F, NE 13 mph. Visibility improving to 3-4 miles.
• Midnight-6AM Sunday: Cloudy with periodic snow showers (22-34% chance). Temps dropping to 14°F. NE winds increasing to 15-16 mph.

SUNDAY Cloudy. High 16°F falling to 12°F by evening. North winds 15-17 mph. Snow chances decrease through the day. Very cold with winds creating considerable blowing snow even after snowfall ends.

MONDAY Becoming partly cloudy. Morning low near 6°F, afternoon high near 18°F. NNW winds decreasing from 10-12 mph early to 6-8 mph late. Wind chills below zero early.

TUESDAY-FRIDAY

• Tuesday: High 19°F, Low 5°F. AM clouds, PM sun. NNW winds 10-20 mph.
• Wednesday: High 24°F, Low 15°F. Mostly sunny. SW winds 5-10 mph.
• Thursday: High 33°F, Low 23°F. Partly cloudy. WNW winds 5-10 mph.
• Friday: High 30°F, Low 16°F. Morning clouds, some afternoon sun. NNW winds 10-15 mph.

KEY IMPACTS

1. Main snow period 7PM-9PM tonight with sharply reduced visibility
2. Additional lighter snow showers possible until early Sunday
3. Total accumulations still expected 2-4 inches
4. Bitter cold continues through Tuesday morning
5. Gradual warming trend begins Wednesday

TRAVEL ADVISORY Consider completing travel before 7PM when visibility begins to decrease significantly. Road conditions will deteriorate quickly during the period of heaviest snow (7-9PM).