Catharine, Sunday, 9 August, 00:17
Clear. Feels like 65°. High 89°, low 63°.
Two-week outlook for Catharine, IL: week one averages a high of 79.4° and week two 73.6°, so week two runs 5.8° cooler than week one. Around 0.5 inches of precipitation are expected over the 14 days, across 4 wet days. The nearest weekend, August 9: 89°, with precipitation.
| Week | High | Low | Precipitation | Vs normal |
|---|---|---|---|---|
| 1st (August 9 – August 15) | 79.4° | 64.4° | 0.4 in / 3 d | — |
| 2nd (August 16 – August 22) | 73.6° | 58° | 0.1 in / 1 d | — |
Catharine, Monday, 10 August
Light rain. High 87°, low 71°.
Catharine, Tuesday, 11 August
Light rain. High 85°, low 72°.
Catharine, Wednesday, 12 August
Light rain. High 81°, low 67°.
Catharine, Thursday, 13 August
Light rain. High 74°, low 61°.
Catharine, Friday, 14 August
Mostly clear. High 76°, low 59°.
Catharine, Saturday, 15 August
Light rain. High 64°, low 58°.
Catharine, Sunday, 16 August
Overcast. High 72°, low 61°.
Catharine, Monday, 17 August
Overcast. High 77°, low 63°.
Catharine, Tuesday, 18 August
Overcast. High 81°, low 65°.
Catharine, Wednesday, 19 August
Light rain. High 71°, low 58°.
Catharine, Thursday, 20 August
Light rain. High 67°, low 52°.
Catharine, Friday, 21 August
Overcast. High 73°, low 52°.
Catharine, Saturday, 22 August
Overcast. High 73°, low 54°.
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 Catharine, 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.