Round Lake Heights, Sunday, 9 August, 15:14
Overcast. Feels like 74°. High 79°, low 62°.
Two-week outlook for Round Lake Heights, IL: week one averages a high of 82.3° and week two 78.9°, so week two runs 3.4° cooler than week one. Around 2.7 inches of precipitation are expected over the 14 days, across 9 wet days. The nearest weekend, August 9: 79°, with precipitation.
| Week | High | Low | Precipitation | Vs normal |
|---|---|---|---|---|
| 1st (August 9 – August 15) | 82.3° | 65.8° | 2.0 in / 5 d | — |
| 2nd (August 16 – August 22) | 78.9° | 63.7° | 0.7 in / 4 d | — |
Round Lake Heights, Monday, 10 August
Rain. High 87°, low 71°.
Round Lake Heights, Tuesday, 11 August
Heavy rain. High 83°, low 68°.
Round Lake Heights, Wednesday, 12 August
Overcast. High 82°, low 63°.
Round Lake Heights, Thursday, 13 August
Overcast. High 81°, low 63°.
Round Lake Heights, Friday, 14 August
Light rain. High 75°, low 65°.
Round Lake Heights, Saturday, 15 August
Rain. High 88°, low 68°.
Round Lake Heights, Sunday, 16 August
Overcast. High 76°, low 65°.
Round Lake Heights, Monday, 17 August
Rain. High 72°, low 60°.
Round Lake Heights, Tuesday, 18 August
Light rain. High 85°, low 69°.
Round Lake Heights, Wednesday, 19 August
Overcast. High 83°, low 65°.
Round Lake Heights, Thursday, 20 August
Light rain. High 84°, low 68°.
Round Lake Heights, Friday, 21 August
Rain. High 74°, low 61°.
Round Lake Heights, Saturday, 22 August
Clear. High 78°, low 58°.
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 Round Lake Heights, 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.