Prairie du Rocher, Sunday, 9 August, 18:19
Clear. Feels like 99°. High 91°, low 72°.
Two-week outlook for Prairie du Rocher, IL: week one averages a high of 100.2° and week two 103.2°, so week two runs 2.9° warmer than week one. Around 0.4 inches of precipitation are expected over the 14 days, across 3 wet days. The nearest weekend, August 9: 91°, dry.
| Week | High | Low | Precipitation | Vs normal |
|---|---|---|---|---|
| 1st (August 9 – August 15) | 100.2° | 75.1° | 0.3 in / 2 d | — |
| 2nd (August 16 – August 22) | 103.2° | 76.1° | 0.1 in / 1 d | — |
Prairie du Rocher, Monday, 10 August
Overcast. High 100°, low 76°.
Prairie du Rocher, Tuesday, 11 August
Mostly clear. High 104°, low 78°.
Prairie du Rocher, Wednesday, 12 August
Rain. High 95°, low 70°.
Prairie du Rocher, Thursday, 13 August
Light rain. High 99°, low 71°.
Prairie du Rocher, Friday, 14 August
Overcast. High 106°, low 77°.
Prairie du Rocher, Saturday, 15 August
Clear. High 106°, low 81°.
Prairie du Rocher, Sunday, 16 August
Clear. High 104°, low 80°.
Prairie du Rocher, Monday, 17 August
Light rain. High 107°, low 73°.
Prairie du Rocher, Tuesday, 18 August
Overcast. High 108°, low 83°.
Prairie du Rocher, Wednesday, 19 August
Overcast. High 100°, low 78°.
Prairie du Rocher, Thursday, 20 August
Light rain. High 106°, low 79°.
Prairie du Rocher, Friday, 21 August
Partly cloudy. High 103°, low 73°.
Prairie du Rocher, Saturday, 22 August
Clear. High 93°, low 67°.
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 Prairie du Rocher, 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.