10-day forecast for Flagg, IL: 38° to 86°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
86°
Best day: Monday, October 12
63° · 0.57 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1286° / 61°0
Morning65°feels 65°
Afternoon84°feels 87°
Evening75°feels 75°
Overnight62°feels 62°
86 °
Flagg, Monday, 12 October
Partly cloudy. High 86°, low 61°.
Pressure29.83 inHg
Wind12.4 mph SW
Humidity58%
Visibility6.2 mi
Dew point63°
Tue, 1383° / 66°0
Morning71°feels 72°
Afternoon78°feels 78°
Evening68°feels 68°
Overnight73°feels 74°
83 °
Flagg, Tuesday, 13 October
Clear. High 83°, low 66°.
Pressure29.83 inHg
Wind8.7 mph W
Humidity65%
Visibility6.2 mi
Dew point63°
Wed, 1471° / 59°0.07
Morning60°feels 60°
Afternoon71°feels 70°
Evening62°feels 61°
Overnight62°feels 63°
71 °
Flagg, Wednesday, 14 October
Rain. High 71°, low 59°.
Pressure30.09 inHg
Wind6.4 mph NE
Humidity62%
Visibility6.2 mi
Dew point55°
Thu, 1563° / 58°0.57
Morning59°feels 59°
Afternoon63°feels 63°
Evening61°feels 61°
Overnight58°feels 57°
63 °
Flagg, Thursday, 15 October
Rain. High 63°, low 58°.
Pressure30.03 inHg
Wind5.2 mph E
Humidity95%
Visibility2.2 mi
Dew point60°
Fri, 1658° / 46°0.01
Morning51°feels 46°
Afternoon56°feels 53°
Evening50°feels 47°
Overnight47°feels 43°
58 °
Flagg, Friday, 16 October
Light rain. High 58°, low 46°.
Pressure30.42 inHg
Wind18.4 mph NW
Humidity50%
Visibility—
Dew point37°
Sat, 1755° / 38°0
Morning43°feels 42°
Afternoon54°feels 50°
Evening45°feels 40°
Overnight42°feels 37°
55 °
Flagg, Saturday, 17 October
Clear. High 55°, low 38°.
Pressure30.47 inHg
Wind10.8 mph S
Humidity39%
Visibility—
Dew point28°
Sun, 1858° / 38°0
Morning43°feels 36°
Afternoon55°feels 52°
Evening50°feels 47°
Overnight47°feels 41°
58 °
Flagg, Sunday, 18 October
Clear. High 58°, low 38°.
Pressure30.33 inHg
Wind19.4 mph SW
Humidity37%
Visibility—
Dew point28°
Mon, 1966° / 44°0
Morning50°feels 46°
Afternoon62°feels 60°
Evening57°feels 55°
Overnight54°feels 51°
66 °
Flagg, Monday, 19 October
Overcast. High 66°, low 44°.
Pressure30.27 inHg
Wind14.1 mph SW
Humidity42%
Visibility—
Dew point37°
Tue, 2072° / 53°0
Morning58°feels 57°
Afternoon69°feels 68°
Evening63°feels 62°
Overnight60°feels 60°
72 °
Flagg, Tuesday, 20 October
Partly cloudy. High 72°, low 53°.
Pressure30.15 inHg
Wind12.1 mph S
Humidity56%
Visibility—
Dew point51°
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 Flagg, 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.