10-day forecast for Flagg, IL: 31° to 84°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
84°
Best day: Monday, October 12
58° · 1.26 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1284° / 64°0
Morning66°feels 66°
Afternoon82°feels 84°
Evening77°feels 78°
Overnight65°feels 65°
84 °
Flagg, Monday, 12 October
Mostly clear. High 84°, low 64°.
Pressure29.83 inHg
Wind11.6 mph SW
Humidity59%
Visibility6.2 mi
Dew point63°
Tue, 1379° / 66°0.04
Morning69°feels 70°
Afternoon79°feels 79°
Evening70°feels 70°
Overnight73°feels 73°
79 °
Flagg, Tuesday, 13 October
Light rain. High 79°, low 66°.
Pressure29.83 inHg
Wind8.1 mph W
Humidity68%
Visibility6.2 mi
Dew point66°
Wed, 1472° / 60°0.58
Morning60°feels 61°
Afternoon72°feels 71°
Evening62°feels 61°
Overnight64°feels 65°
72 °
Flagg, Wednesday, 14 October
Heavy rain. High 72°, low 60°.
Pressure30.06 inHg
Wind6.6 mph NE
Humidity63%
Visibility6.2 mi
Dew point56°
Thu, 1558° / 56°1.26
Morning56°feels 55°
Afternoon58°feels 57°
Evening58°feels 58°
Overnight57°feels 57°
58 °
Flagg, Thursday, 15 October
Rain. High 58°, low 56°.
Pressure30.12 inHg
Wind9.6 mph E
Humidity95%
Visibility1.4 mi
Dew point55°
Fri, 1659° / 47°0
Morning52°feels 47°
Afternoon57°feels 55°
Evening52°feels 49°
Overnight48°feels 44°
59 °
Flagg, Friday, 16 October
Partly cloudy. High 59°, low 47°.
Pressure30.39 inHg
Wind17.8 mph N
Humidity49%
Visibility—
Dew point38°
Sat, 1743° / 31°0
Morning34°feels 26°
Afternoon40°feels 33°
Evening36°feels 31°
Overnight33°feels 29°
43 °
Flagg, Saturday, 17 October
Clear. High 43°, low 31°.
Pressure30.56 inHg
Wind13.4 mph NW
Humidity34%
Visibility—
Dew point14°
Sun, 1851° / 31°0
Morning36°feels 28°
Afternoon48°feels 41°
Evening46°feels 39°
Overnight42°feels 35°
51 °
Flagg, Sunday, 18 October
Partly cloudy. High 51°, low 31°.
Pressure30.42 inHg
Wind19.6 mph S
Humidity36%
Visibility—
Dew point20°
Mon, 1960° / 41°0
Morning46°feels 40°
Afternoon56°feels 54°
Evening51°feels 49°
Overnight48°feels 44°
60 °
Flagg, Monday, 19 October
Partly cloudy. High 60°, low 41°.
Pressure30.30 inHg
Wind15.9 mph SW
Humidity46%
Visibility—
Dew point35°
Tue, 2063° / 45°0
Morning50°feels 47°
Afternoon61°feels 58°
Evening54°feels 51°
Overnight51°feels 49°
63 °
Flagg, Tuesday, 20 October
Partly cloudy. High 63°, low 45°.
Pressure30.30 inHg
Wind9.1 mph S
Humidity39%
Visibility—
Dew point35°
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.