Saint Mary, Sunday, 9 August, 11:40
Heavy rain. Feels like 94°. High 92°, low 70°.
Two-week outlook for Saint Mary, IL: week one averages a high of 88.4° and week two 84.9°, so week two runs 3.5° cooler than week one. Around 1.8 inches of precipitation are expected over the 14 days, across 4 wet days. The nearest weekend, August 9: 92°, dry.
| Week | High | Low | Precipitation | Vs normal |
|---|---|---|---|---|
| 1st (August 9 – August 15) | 88.4° | 70.7° | 1.8 in / 4 d | — |
| 2nd (August 16 – August 22) | 84.9° | 63.9° | 0.0 in / 0 d | — |
Saint Mary, Monday, 10 August
Overcast. High 95°, low 76°.
Saint Mary, Tuesday, 11 August
Mostly clear. High 99°, low 77°.
Saint Mary, Wednesday, 12 August
Light rain. High 91°, low 72°.
Saint Mary, Thursday, 13 August
Rain. High 79°, low 67°.
Saint Mary, Friday, 14 August
Rain. High 76°, low 65°.
Saint Mary, Saturday, 15 August
Rain. High 85°, low 67°.
Saint Mary, Sunday, 16 August
Overcast. High 80°, low 67°.
Saint Mary, Monday, 17 August
Overcast. High 78°, low 61°.
Saint Mary, Tuesday, 18 August
Light rain. High 90°, low 63°.
Saint Mary, Wednesday, 19 August
Partly cloudy. High 82°, low 66°.
Saint Mary, Thursday, 20 August
Clear. High 82°, low 61°.
Saint Mary, Friday, 21 August
Light rain. High 96°, low 63°.
Saint Mary, Saturday, 22 August
Clear. High 87°, 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 Saint Mary, 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.