10-day forecast for St. Anne, IL: 61° to 91°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
87°
Best day: Tuesday, August 18
79° · 0.9 in
Worst day: Friday, August 14
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1091° / 74°0.17
Morning78°feels 79°
Afternoon91°feels 102°
Evening81°feels 88°
Overnight76°feels 77°
91 °
St. Anne, Monday, 10 August
Rain. High 91°, low 74°.
Pressure29.88 inHg
Wind8.9 mph W
Humidity62%
Visibility6.2 mi
Dew point73°
Tue, 1188° / 71°0.18
Morning75°feels 77°
Afternoon86°feels 94°
Evening79°feels 79°
Overnight72°feels 74°
88 °
St. Anne, Tuesday, 11 August
Rain. High 88°, low 71°.
Pressure29.83 inHg
Wind16.8 mph SW
Humidity58%
Visibility6.2 mi
Dew point71°
Wed, 1286° / 66°0
Morning71°feels 72°
Afternoon86°feels 89°
Evening71°feels 71°
Overnight69°feels 70°
86 °
St. Anne, Wednesday, 12 August
Clear. High 86°, low 66°.
Pressure29.88 inHg
Wind4.4 mph NE
Humidity56%
Visibility6.2 mi
Dew point67°
Thu, 1383° / 63°0.51
Morning68°feels 68°
Afternoon83°feels 84°
Evening70°feels 71°
Overnight64°feels 64°
83 °
St. Anne, Thursday, 13 August
Rain. High 83°, low 63°.
Pressure29.97 inHg
Wind10.4 mph SE
Humidity46%
Visibility6.2 mi
Dew point58°
Fri, 1479° / 69°0.9
Morning72°feels 73°
Afternoon79°feels 79°
Evening76°feels 78°
Overnight71°feels 73°
79 °
St. Anne, Friday, 14 August
Heavy rain. High 79°, low 69°.
Pressure30.00 inHg
Wind11.3 mph E
Humidity75%
Visibility—
Dew point69°
Sat, 1589° / 71°0.03
Morning76°feels 80°
Afternoon87°feels 94°
Evening84°feels 94°
Overnight81°feels 84°
89 °
St. Anne, Saturday, 15 August
Light rain. High 89°, low 71°.
Pressure29.94 inHg
Wind12.5 mph S
Humidity63%
Visibility—
Dew point71°
Sun, 1685° / 69°0
Morning74°feels 75°
Afternoon75°feels 76°
Evening72°feels 72°
Overnight70°feels 70°
85 °
St. Anne, Sunday, 16 August
Light rain. High 85°, low 69°.
Pressure29.97 inHg
Wind16.8 mph SW
Humidity75%
Visibility—
Dew point67°
Mon, 1779° / 61°0
Morning67°feels 67°
Afternoon76°feels 77°
Evening75°feels 76°
Overnight72°feels 73°
79 °
St. Anne, Monday, 17 August
Overcast. High 79°, low 61°.
Pressure30.00 inHg
Wind12.2 mph SE
Humidity68%
Visibility—
Dew point63°
Tue, 1887° / 74°0
Morning81°feels 83°
Afternoon86°feels 91°
Evening80°feels 85°
Overnight76°feels 77°
87 °
St. Anne, Tuesday, 18 August
Overcast. High 87°, low 74°.
Pressure29.85 inHg
Wind14.5 mph S
Humidity59%
Visibility—
Dew point69°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in St. Anne, IL around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.