CHICAGO - O'HARE, ILLINOIS Forecast
SUNDAY FEB 1 2026:
SUNDAY FEB 1 2026: PARTLY CLOUDY.
HIGH: 26 TO 28. SOUTHWEST WIND 9 mph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 0 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 95 PERCENT.
SUNDAY NIGHT FEB 1 2026: MOSTLY CLOUDY.
LOW: 18 TO 21. SOUTHWEST WIND 9 mph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 0 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 95 PERCENT.
MONDAY FEB 2 2026: MOSTLY CLOUDY.
HIGH: 28 TO 30. WEST WIND 8 mph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 0 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 96 PERCENT.
MONDAY NIGHT FEB 2 2026: PARTLY CLOUDY.
LOW: 15 TO 19. WEST WIND 6 mph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 0 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 94 PERCENT.
TUESDAY FEB 3 2026: PARTLY CLOUDY.
HIGH: 24 TO 26. SOUTHWEST WIND 6 mph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 0 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 94 PERCENT.
TUESDAY NIGHT FEB 3 2026: PARTLY CLOUDY.
LOW: 10 TO 15. WEST WIND 6 mph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 0 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 95 PERCENT.
WEDNESDAY FEB 4 2026: FAIR.
HIGH: 24 TO 32. WEST WIND 5 mph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 0 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 94 PERCENT.
WEDNESDAY NIGHT FEB 4 2026: PARTLY CLOUDY.
LOW: 12 TO 15. SOUTHWEST WIND 9 mph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 0 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 91 PERCENT.
THURSDAY FEB 5 2026: MOSTLY CLOUDY.
HIGH: 32 TO 37. SOUTHWEST WIND 12 gusting to 26 mph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 10 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 95 PERCENT.
THURSDAY NIGHT FEB 5 2026: 20 PERCENT CHANCE OF LIGHT SNOW.
LOW: 26 TO 28. WEST WIND 13 gusting to 28 mph.
PRECIPITATION AMOUNT: 0.01 in TO 0.04 in. SNOW AMOUNT: 0.3 TO 1.1 in.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 20 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 96 PERCENT.
FRIDAY FEB 6 2026: PARTLY CLOUDY.
HIGH: 35 TO 39. SOUTHWEST WIND 13 mph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 0 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 95 PERCENT.
FRIDAY NIGHT FEB 6 2026: FAIR.
LOW: 15 TO 31. SOUTHWEST WIND 10 mph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 0 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 94 PERCENT.
SATURDAY FEB 7 2026: FAIR.
HIGH: 24 TO 39. SOUTHWEST WIND 10 mph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 0 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 79 PERCENT.
SATURDAY NIGHT FEB 7 2026: PARTLY CLOUDY.
LOW: 17 TO 33. SOUTHWEST WIND 10 mph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 0 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 85 PERCENT.
SUNDAY FEB 8 2026: MOSTLY CLOUDY.
HIGH: 32 TO 42. SOUTH WIND 8 mph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 0 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 88 PERCENT.
SUNDAY NIGHT FEB 8 2026: MOSTLY CLOUDY.
LOW: 23 TO 32. SOUTH WIND 8 mph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 0 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 95 PERCENT.
MONDAY FEB 9 2026: CLOUDY.
HIGH: 32 TO 41. SOUTH WIND 8 mph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 0 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 94 PERCENT.
MONDAY NIGHT FEB 9 2026: FAIR.
LOW: 30 TO 36. SOUTHWEST WIND 6 mph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 0 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 95 PERCENT.
TUESDAY FEB 10 2026: FAIR.
HIGH: 35 TO 46. WEST WIND 8 mph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 0 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 92 PERCENT.
TUESDAY NIGHT FEB 10 2026: MOSTLY CLOUDY.
LOW: 26 TO 32. SOUTHEAST WIND 6 mph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 0 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 95 PERCENT.
WEDNESDAY FEB 11 2026: CLOUDY.
HIGH: 32 TO 35. SOUTHEAST WIND 8 mph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 0 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 95 PERCENT.
WEDNESDAY NIGHT FEB 11 2026: DENSE FOG.
LOW: 30 TO 32. SOUTHWEST WIND 7 mph.
PROBABILITY OF PRECIPITATION EXCEEDENCE: 10TH OF AN INCH: 0 PERCENT. HALF INCH: 0 PERCENT. INCH: 0 PERCENT.
FORECAST CONFIDENCE: 95 PERCENT.