Willow Hill, Saturday, 8 August, 18:43
Clear. Feels like 87°. High 89°, low 72°.
Willow Hill, Sunday, 9 August
Partly cloudy. High 92°, low 73°.
Willow Hill, Monday, 10 August
Mostly clear. High 92°, low 75°.
Willow Hill, Tuesday, 11 August
Partly cloudy. High 92°, low 76°.
Willow Hill, Wednesday, 12 August
Heavy rain. High 88°, low 70°.
Willow Hill, Thursday, 13 August
Rain. High 81°, low 70°.
Willow Hill, Friday, 14 August
Light rain. High 74°, low 61°.
Willow Hill, Saturday, 15 August
Mostly clear. High 74°, low 55°.
Willow Hill, Sunday, 16 August
Overcast. High 78°, low 57°.
Willow Hill, Monday, 17 August
Light rain. High 85°, low 68°.
Willow Hill, Tuesday, 18 August
Light rain. High 84°, low 71°.
Willow Hill, Wednesday, 19 August
Partly cloudy. High 87°, low 69°.
Willow Hill, Thursday, 20 August
Rain. High 84°, low 73°.
Willow Hill, Friday, 21 August
Light rain. High 80°, low 68°.
Willow Hill, Saturday, 22 August
Overcast. High 83°, low 64°.
Willow Hill, Sunday, 23 August
Light rain. High 73°, low 57°.
The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Willow Hill, IL are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.
They are real temperature extremes recorded in Willow Hill, IL since 1960: the highest and lowest reading for each calendar date, with the year it happened.
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.