10-day forecast for Alta, IL: 50° to 76°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
76°
Best day: Sunday, October 25
66° · 0.28 in
Worst day: Sunday, November 1
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 2672° / 53°0
Morning54°feels 54°
Afternoon72°feels 71°
Evening60°feels 59°
Overnight54°feels 53°
72 °
Alta, Monday, 26 October
Overcast. High 72°, low 53°.
Pressure30.33 inHg
Wind1.5 mph E
Humidity59%
Visibility6.2 mi
Dew point53°
Tue, 2770° / 50°0
Morning51°feels 50°
Afternoon70°feels 68°
Evening60°feels 59°
Overnight52°feels 51°
70 °
Alta, Tuesday, 27 October
Overcast. High 70°, low 50°.
Pressure30.24 inHg
Wind7 mph S
Humidity64%
Visibility6.2 mi
Dew point53°
Wed, 2871° / 54°0
Morning54°feels 53°
Afternoon71°feels 70°
Evening62°feels 61°
Overnight55°feels 54°
71 °
Alta, Wednesday, 28 October
Clear. High 71°, low 54°.
Pressure30.21 inHg
Wind7.9 mph S
Humidity63%
Visibility6.2 mi
Dew point54°
Thu, 2971° / 57°0.01
Morning59°feels 59°
Afternoon70°feels 70°
Evening62°feels 62°
Overnight59°feels 58°
71 °
Alta, Thursday, 29 October
Light rain. High 71°, low 57°.
Pressure30.12 inHg
Wind8.5 mph SW
Humidity65%
Visibility6.2 mi
Dew point56°
Fri, 3068° / 54°0
Morning58°feels 57°
Afternoon65°feels 64°
Evening61°feels 60°
Overnight58°feels 57°
68 °
Alta, Friday, 30 October
Overcast. High 68°, low 54°.
Pressure30.27 inHg
Wind6.9 mph E
Humidity72%
Visibility—
Dew point55°
Sat, 3164° / 58°0.22
Morning61°feels 60°
Afternoon63°feels 62°
Evening58°feels 58°
Overnight59°feels 58°
64 °
Alta, Saturday, 31 October
Rain. High 64°, low 58°.
Pressure30.09 inHg
Wind11.2 mph SE
Humidity64%
Visibility—
Dew point51°
Sun, 0166° / 57°0.28
Morning61°feels 61°
Afternoon65°feels 65°
Evening59°feels 59°
Overnight58°feels 58°
66 °
Alta, Sunday, 1 November
Rain. High 66°, low 57°.
Pressure30.00 inHg
Wind12.5 mph S
Humidity74%
Visibility—
Dew point57°
Mon, 0271° / 54°0.02
Morning58°feels 58°
Afternoon67°feels 67°
Evening67°feels 67°
Overnight64°feels 64°
71 °
Alta, Monday, 2 November
Light rain. High 71°, low 54°.
Pressure29.97 inHg
Wind18 mph S
Humidity61%
Visibility—
Dew point52°
Tue, 0368° / 54°0.03
Morning64°feels 64°
Afternoon67°feels 66°
Evening58°feels 57°
Overnight56°feels 55°
68 °
Alta, Tuesday, 3 November
Light rain. High 68°, low 54°.
Pressure29.83 inHg
Wind17.4 mph S
Humidity50%
Visibility—
Dew point48°
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 Alta, 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.