10-day forecast for Loon Lake, IL: 60° to 88°, with precipitation expected on 7 days. The table below breaks each day into morning, afternoon, evening and overnight.
81°
Best day: Wednesday, August 12
77° · 0.96 in
Worst day: Sunday, August 9
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1087° / 71°0.19
Morning75°feels 77°
Afternoon86°feels 95°
Evening77°feels 78°
Overnight72°feels 74°
87 °
Loon Lake, Monday, 10 August
Rain. High 87°, low 71°.
Pressure29.91 inHg
Wind4.3 mph E
Humidity76%
Visibility6.2 mi
Dew point71°
Tue, 1183° / 67°0.33
Morning71°feels 73°
Afternoon76°feels 77°
Evening72°feels 74°
Overnight71°feels 72°
83 °
Loon Lake, Tuesday, 11 August
Heavy rain. High 83°, low 67°.
Pressure29.83 inHg
Wind14.3 mph E
Humidity97%
Visibility6.2 mi
Dew point66°
Wed, 1281° / 63°0
Morning68°feels 69°
Afternoon81°feels 83°
Evening69°feels 69°
Overnight65°feels 66°
81 °
Loon Lake, Wednesday, 12 August
Overcast. High 81°, low 63°.
Pressure29.91 inHg
Wind3.4 mph N
Humidity69%
Visibility6.2 mi
Dew point67°
Thu, 1381° / 62°0
Morning69°feels 69°
Afternoon80°feels 81°
Evening71°feels 72°
Overnight66°feels 65°
81 °
Loon Lake, Thursday, 13 August
Overcast. High 81°, low 62°.
Pressure29.97 inHg
Wind7.1 mph SE
Humidity48%
Visibility6.2 mi
Dew point58°
Fri, 1475° / 65°0.04
Morning67°feels 68°
Afternoon71°feels 72°
Evening69°feels 70°
Overnight66°feels 67°
75 °
Loon Lake, Friday, 14 August
Light rain. High 75°, low 65°.
Pressure30.06 inHg
Wind9.8 mph E
Humidity86%
Visibility—
Dew point66°
Sat, 1588° / 68°0.51
Morning72°feels 74°
Afternoon81°feels 87°
Evening83°feels 92°
Overnight75°feels 76°
88 °
Loon Lake, Saturday, 15 August
Rain. High 88°, low 68°.
Pressure29.91 inHg
Wind13.5 mph SE
Humidity77%
Visibility—
Dew point71°
Sun, 1676° / 65°0
Morning69°feels 69°
Afternoon71°feels 71°
Evening67°feels 68°
Overnight65°feels 66°
76 °
Loon Lake, Sunday, 16 August
Overcast. High 76°, low 65°.
Pressure29.97 inHg
Wind15.1 mph NW
Humidity78%
Visibility—
Dew point64°
Mon, 1772° / 60°0.32
Morning64°feels 64°
Afternoon67°feels 67°
Evening68°feels 69°
Overnight67°feels 68°
72 °
Loon Lake, Monday, 17 August
Rain. High 72°, low 60°.
Pressure30.00 inHg
Wind11.4 mph SE
Humidity93%
Visibility—
Dew point64°
Tue, 1885° / 69°0.14
Morning73°feels 75°
Afternoon82°feels 86°
Evening77°feels 78°
Overnight70°feels 72°
85 °
Loon Lake, Tuesday, 18 August
Light rain. High 85°, low 69°.
Pressure29.83 inHg
Wind13.5 mph W
Humidity66%
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 Loon Lake, 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.