10-day forecast for Alvan, IL: 36° to 87°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
87°
Best day: Monday, October 12
70° · 0.5 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 1386° / 68°0
Morning71°feels 70°
Afternoon85°feels 85°
Evening76°feels 77°
Overnight72°feels 72°
86 °
Alvan, Tuesday, 13 October
Clear. High 86°, low 68°.
Pressure29.85 inHg
Wind12.1 mph SW
Humidity45%
Visibility6.2 mi
Dew point60°
Wed, 1478° / 62°0.04
Morning67°feels 67°
Afternoon78°feels 78°
Evening65°feels 64°
Overnight69°feels 70°
78 °
Alvan, Wednesday, 14 October
Light rain. High 78°, low 62°.
Pressure30.03 inHg
Wind6.9 mph NE
Humidity62%
Visibility6.2 mi
Dew point63°
Thu, 1570° / 61°0.5
Morning63°feels 62°
Afternoon66°feels 67°
Evening68°feels 69°
Overnight61°feels 60°
70 °
Alvan, Thursday, 15 October
Rain. High 70°, low 61°.
Pressure30.09 inHg
Wind6.3 mph E
Humidity92%
Visibility2.2 mi
Dew point62°
Fri, 1660° / 49°0
Morning55°feels 53°
Afternoon58°feels 56°
Evening53°feels 50°
Overnight59°feels 59°
60 °
Alvan, Friday, 16 October
Overcast. High 60°, low 49°.
Pressure30.36 inHg
Wind19.3 mph NW
Humidity44%
Visibility—
Dew point36°
Sat, 1761° / 41°0
Morning46°feels 46°
Afternoon58°feels 55°
Evening50°feels 47°
Overnight45°feels 42°
61 °
Alvan, Saturday, 17 October
Clear. High 61°, low 41°.
Pressure30.45 inHg
Wind7.6 mph N
Humidity46%
Visibility—
Dew point36°
Sun, 1862° / 36°0
Morning42°feels 37°
Afternoon57°feels 54°
Evening51°feels 48°
Overnight47°feels 43°
62 °
Alvan, Sunday, 18 October
Clear. High 62°, low 36°.
Pressure30.33 inHg
Wind11.2 mph S
Humidity28%
Visibility—
Dew point23°
Mon, 1971° / 47°0
Morning53°feels 50°
Afternoon68°feels 67°
Evening62°feels 61°
Overnight60°feels 58°
71 °
Alvan, Monday, 19 October
Clear. High 71°, low 47°.
Pressure30.27 inHg
Wind13.8 mph S
Humidity51%
Visibility—
Dew point47°
Tue, 2068° / 58°0.02
Morning62°feels 62°
Afternoon66°feels 65°
Evening62°feels 61°
Overnight58°feels 58°
68 °
Alvan, Tuesday, 20 October
Light rain. High 68°, low 58°.
Pressure30.27 inHg
Wind10.2 mph S
Humidity67%
Visibility—
Dew point54°
Wed, 2174° / 55°0
Morning60°feels 60°
Afternoon71°feels 71°
Evening64°feels 64°
Overnight60°feels 59°
74 °
Alvan, Wednesday, 21 October
Clear. High 74°, low 55°.
Pressure30.30 inHg
Wind7.8 mph E
Humidity54%
Visibility—
Dew point53°
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 Alvan, 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.