Sat, Jul 11 in Chicago — think you can do better? Join in →
The Mercury Cup is a friendly daily contest to forecast the weather. Each day you predict tomorrow's high and low for a featured city — when the day is done, we score how close you were. The sharper your forecast, the higher you climb.
Enter tomorrow's high and low for this week's city before the daily deadline.
Once the real temperatures are in, we measure how close you were — closer is better.
Earn skill points against the leaderboard, join divisions, and build a streak.
Chicago, IL · 41.9°N
Chicago is the most populous city in the U.S. state of Illinois and in the Midwestern United States.
This week · actual highs & lows (°F)
Today · Chicago through the day (°F)
Think you can call it closer than the crowd? Join in →