Herbert, Saturday, 8 August, 16:59
Clear. Feels like 83°. High 82°, low 67°.
Two-week outlook for Herbert, IL: week one averages a high of 79.1° and week two 77.3°, so week two runs 1.8° cooler than week one. Around 2.1 inches of precipitation are expected over the 14 days, across 5 wet days. The nearest weekend, August 8: 82°, dry.
| Week | High | Low | Precipitation | Vs normal |
|---|---|---|---|---|
| 1st (August 8 – August 14) | 79.1° | 63.4° | 1.7 in / 3 d | — |
| 2nd (August 15 – August 21) | 77.3° | 61.3° | 0.5 in / 2 d | — |
Herbert, Sunday, 9 August
Heavy rain. High 84°, low 63°.
Herbert, Monday, 10 August
Light rain. High 84°, low 70°.
Herbert, Tuesday, 11 August
Rain. High 81°, low 69°.
Herbert, Wednesday, 12 August
Light rain. High 82°, low 64°.
Herbert, Thursday, 13 August
Light rain. High 69°, low 58°.
Herbert, Friday, 14 August
Clear. High 72°, low 54°.
Herbert, Saturday, 15 August
Overcast. High 73°, low 54°.
Herbert, Sunday, 16 August
Partly cloudy. High 76°, low 56°.
Herbert, Monday, 17 August
Light rain. High 79°, low 65°.
Herbert, Tuesday, 18 August
Overcast. High 82°, low 65°.
Herbert, Wednesday, 19 August
Rain. High 78°, low 64°.
Herbert, Thursday, 20 August
Light rain. High 76°, low 64°.
Herbert, Friday, 21 August
Light rain. High 78°, low 60°.
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.