The weather along the historic route 66 varies greatly depending on the season and location, making it essential to plan accordingly.

Here’s a seasonal guide to help you make the most of your journey.

Spring (March - May)

Spring is one of the best times to travel Route 66, as temperatures are generally mild and comfortable. Expect:

• Midwest & Great Plains (Illinois, Missouri, Kansas, Oklahoma):
  • Cool mornings (40s-50s°F) with warmer afternoons (60s-70s°F).
  • Occasional thunderstorms.
• Southwest (Texas, New Mexico, Arizona, California):
  • Pleasant temperatures (50s-80s°F), but be prepared for windy conditions in desert regions.

Tips: Pack layers and a rain jacket. Spring storms can bring heavy rain and occasional tornadoes in the central U.S., so stay updated on weather forecasts.

Summer (June - August)

Summer is peak travel season, but it also brings extreme heat, especially in the Southwest. Expect:

• Midwest & Great Plains:
  • Warm to hot days (70s-90s°F) with high humidity.
  • Thunderstorms are common.
• Southwest:
  • Intense heat, particularly in the desert regions of Arizona and California, where temperatures can exceed 100°F.

Tips: Stay hydrated, wear sunscreen, and avoid driving in the desert during peak heat hours (midday to late afternoon). Ensure your vehicle’s air conditioning is working properly.

Fall (September - November)

Fall is another excellent season for a Route 66 trip, with comfortable temperatures and beautiful autumn colors in certain regions.

Expect:

• Midwest & Great Plains:
  • Crisp mornings (40s-60s°F) and mild afternoons (60s-80s°F).
  • Less humidity and fewer storms.
• Southwest:
  • Cooler than summer but still warm (50s-80s°F).
  • Occasional early snow in higher elevations.

Tips: Pack a mix of light and warm clothing. This season offers a great balance of pleasant weather and fewer crowds.

Winter (December - February)

Winter travel can be challenging, particularly in the northern and high-altitude regions.

Expect:

• Midwest & Great Plains:
  • Cold temperatures (10s-40s°F) with snow and ice, especially in Illinois and Missouri.
• Southwest:
  • Milder conditions (30s-60s°F), but mountain areas in Arizona and New Mexico can receive snow.

Tips: If traveling in winter, prepare for icy roads and potential snowfall. Check road conditions frequently, and carry emergency supplies like blankets and food.

General Travel Tips:

• Always check weather forecasts before setting out.
• Ensure your vehicle is in good condition for long-distance travel.
• Plan for sudden weather changes, especially in desert and mountainous regions.
• Carry extra water, especially in hot climates.

By planning ahead and preparing for the seasonal conditions, you can make the most of your Route 66 adventure while staying safe and comfortable.