Spring Valley, Tuesday, 13 October, 09:21
Partly cloudy. Feels like 70°. High 80°, low 67°.
Spring Valley, Wednesday, 14 October
Rain. High 75°, low 61°.
Spring Valley, Thursday, 15 October
Rain. High 71°, low 58°.
Spring Valley, Friday, 16 October
Light rain. High 59°, low 47°.
Spring Valley, Saturday, 17 October
Clear. High 57°, low 38°.
Spring Valley, Sunday, 18 October
Partly cloudy. High 63°, low 44°.
Spring Valley, Monday, 19 October
Light rain. High 59°, low 50°.
Spring Valley, Tuesday, 20 October
Rain. High 59°, low 55°.
Spring Valley, Wednesday, 21 October
Light rain. High 67°, low 57°.
Spring Valley, Thursday, 22 October
Heavy rain. High 70°, low 64°.
Spring Valley, Friday, 23 October
Overcast. High 73°, low 59°.
Spring Valley, Saturday, 24 October
Overcast. High 59°, low 48°.
Spring Valley, Sunday, 25 October
Clear. High 59°, low 47°.
Spring Valley, Monday, 26 October
Clear. High 51°, low 43°.
Spring Valley, Tuesday, 27 October
Overcast. High 53°, low 38°.
Spring Valley, Wednesday, 28 October
Light rain. High 54°, low 47°.
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 Spring Valley, 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 Spring Valley, 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.