Herbert, Wednesday, 14 October, 03:45
Overcast. Feels like 63°. High 72°, low 58°.
Two-week outlook for Herbert, IL: week one averages a high of 62.6° and week two 54.4°, so week two runs 8.1° cooler than week one. Around 1.2 inches of precipitation are expected over the 14 days, across 3 wet days. The nearest weekend, October 17: 55°, dry.
| Week | High | Low | Precipitation | Vs normal |
|---|---|---|---|---|
| 1st (October 14 – October 20) | 62.6° | 46.6° | 1.0 in / 2 d | — |
| 2nd (October 21 – October 27) | 54.4° | 38.7° | 0.3 in / 1 d | — |
Herbert, Thursday, 15 October
Heavy rain. High 65°, low 57°.
Herbert, Friday, 16 October
Light rain. High 57°, low 44°.
Herbert, Saturday, 17 October
Clear. High 55°, low 37°.
Herbert, Sunday, 18 October
Clear. High 60°, low 43°.
Herbert, Monday, 19 October
Overcast. High 63°, low 41°.
Herbert, Tuesday, 20 October
Clear. High 66°, low 47°.
Herbert, Wednesday, 21 October
Clear. High 67°, low 50°.
Herbert, Thursday, 22 October
Clear. High 54°, low 40°.
Herbert, Friday, 23 October
Clear. High 54°, low 35°.
Herbert, Saturday, 24 October
Overcast. High 55°, low 38°.
Herbert, Sunday, 25 October
Rain. High 48°, low 38°.
Herbert, Monday, 26 October
Mostly clear. High 49°, low 30°.
Herbert, Tuesday, 27 October
Clear. High 53°, low 38°.
Week one is solid for planning — accuracy is high. Week two shows the trend: go by the averages and the comparison with normal, and check the details closer to the date.
It is the gap between the forecast and the climate normal for those same dates in Herbert, IL, computed over 60 years. A positive value means the week runs warmer than usual.
Saturday and Sunday plans are what people check most, so we give them their own cards with temperature and precipitation.