Birch Island, Sunday, 9 August, 17:01
Mostly clear. Feels like 105°. High 93°, low 72°.
Two-week outlook for Birch Island, IL: week one averages a high of 99.4° and week two 99.8°, so both weeks look similar in temperature. Around 0.6 inches of precipitation are expected over the 14 days, across 4 wet days. The nearest weekend, August 9: 93°, dry.
| Week | High | Low | Precipitation | Vs normal |
|---|---|---|---|---|
| 1st (August 9 – August 15) | 99.4° | 74.7° | 0.3 in / 2 d | — |
| 2nd (August 16 – August 22) | 99.8° | 73.6° | 0.2 in / 2 d | — |
Birch Island, Monday, 10 August
Mostly clear. High 100°, low 75°.
Birch Island, Tuesday, 11 August
Mostly clear. High 104°, low 78°.
Birch Island, Wednesday, 12 August
Light rain. High 98°, low 72°.
Birch Island, Thursday, 13 August
Rain. High 94°, low 69°.
Birch Island, Friday, 14 August
Overcast. High 101°, low 76°.
Birch Island, Saturday, 15 August
Mostly clear. High 106°, low 80°.
Birch Island, Sunday, 16 August
Partly cloudy. High 98°, low 76°.
Birch Island, Monday, 17 August
Light rain. High 106°, low 70°.
Birch Island, Tuesday, 18 August
Overcast. High 102°, low 83°.
Birch Island, Wednesday, 19 August
Rain. High 98°, low 76°.
Birch Island, Thursday, 20 August
Overcast. High 104°, low 74°.
Birch Island, Friday, 21 August
Mostly clear. High 99°, low 73°.
Birch Island, Saturday, 22 August
Clear. High 91°, low 64°.
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 Birch Island, 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.