10-Day Weather Forecast - Grand Chain, IL
- |75°F
Partly CloudyHourly detailsTonight
75°FPartly cloudy. Patchy fog. Near steady temperature in the mid 70s. Calm winds.
- 90|77°F
Mostly SunnyHourly detailsDay
90°FPatchy fog in the morning. Mostly sunny. Humid with highs in the lower 90s. Calm winds. Highest heat index readings heat index readings up to 105 in the afternoon.
Night
77°F
Mostly clear. Humid with lows in the mid 70s. Calm winds becoming south around 5 mph after midnight.
- 94|71°F
50% Chance of StormsHourly detailsDay
94°FMostly sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs in the upper 90s. Southwest winds around 5 mph. Chance of rain 50 percent. Highest heat index readings heat index readings up to 113 in the afternoon.
Night
71°F
Mostly cloudy with a chance of showers and thunderstorms in the evening then mostly clear after midnight. Lows in the lower 70s. North winds around 5 mph. Chance of rain 40 percent.
- 85|65°FMostly SunnyHourly details
Day
85°FMostly clear. Highs in the mid 80s. Lows in the mid 60s.
Night
65°FMostly clear. Highs in the mid 80s. Lows in the mid 60s.
- 81|66°F
Partly CloudyHourly detailsDay
81°FPartly cloudy. Highs in the lower 80s. Lows in the mid 60s.
Night
66°FPartly cloudy. Highs in the lower 80s. Lows in the mid 60s.
- 81|68°F
Mostly CloudyHourly detailsDay
81°FMostly cloudy. Highs in the lower 80s. Lows in the upper 60s.
Night
68°F
Mostly cloudy. Highs in the lower 80s. Lows in the upper 60s.
Weekend Weather
- 84|72°FMostly SunnyHourly details
Day
84°FMostly sunny. Highs in the mid 80s.
Night
72°FMostly clear. Lows in the upper 60s.
- 89|75°FMostly Sunny
Day
89°FMostly sunny. Highs around 90.
Night
75°F
Clear. Low temperature around 75F. Dew point will be around 74F with an average humidity of 84%. Winds will be 3 mph from the S.
- 91|76°FMostly Sunny
Day
91°FMostly sunny with widely scattered thunderstorms. Chance of storms 25%. High temperature around 91F. Dew point will be around 75F with an average humidity of 73%. Winds will be 4 mph from the SW.
Night
76°FClear with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 76F. Dew point will be around 75F with an average humidity of 80%. Winds will be 4 mph from the SW.
- 92|75°FMostly Sunny
Day
92°FMostly sunny with widely scattered thunderstorms. Chance of storms 30%. High temperature around 92F. Dew point will be around 75F with an average humidity of 71%. Winds will be 3 mph from the SW.
Night
75°F
Clear with a 30% chance for rain and thunderstorms. Low temperature around 75F. Dew point will be around 74F with an average humidity of 80%. Winds will be 3 mph from the SW.
