10-day forecast for Alta, IL: 37° to 75°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
75°
Best day: Wednesday, October 28
62° · 1.34 in
Worst day: Tuesday, November 3
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 2970° / 52°0
Morning56°feels 56°
Afternoon70°feels 70°
Evening58°feels 57°
Overnight59°feels 57°
70 °
Alta, Thursday, 29 October
Overcast. High 70°, low 52°.
Pressure30.12 inHg
Wind7.2 mph W
Humidity65%
Visibility6.2 mi
Dew point56°
Fri, 3064° / 46°0.09
Morning47°feels 44°
Afternoon63°feels 62°
Evening57°feels 57°
Overnight49°feels 47°
64 °
Alta, Friday, 30 October
Light rain. High 64°, low 46°.
Pressure30.30 inHg
Wind6.1 mph E
Humidity55%
Visibility6.2 mi
Dew point46°
Sat, 3168° / 56°0.02
Morning57°feels 57°
Afternoon67°feels 67°
Evening59°feels 60°
Overnight57°feels 56°
68 °
Alta, Saturday, 31 October
Light rain. High 68°, low 56°.
Pressure30.27 inHg
Wind5.5 mph S
Humidity81%
Visibility6.2 mi
Dew point60°
Sun, 0170° / 55°0
Morning59°feels 58°
Afternoon67°feels 67°
Evening61°feels 61°
Overnight55°feels 55°
70 °
Alta, Sunday, 1 November
Overcast. High 70°, low 55°.
Pressure30.27 inHg
Wind7.8 mph SE
Humidity60%
Visibility—
Dew point52°
Mon, 0270° / 59°0.06
Morning62°feels 62°
Afternoon69°feels 68°
Evening64°feels 64°
Overnight63°feels 63°
70 °
Alta, Monday, 2 November
Light rain. High 70°, low 59°.
Pressure30.06 inHg
Wind16.7 mph SE
Humidity64%
Visibility—
Dew point55°
Tue, 0362° / 56°1.34
Morning60°feels 60°
Afternoon59°feels 59°
Evening56°feels 56°
Overnight57°feels 57°
62 °
Alta, Tuesday, 3 November
Rain. High 62°, low 56°.
Pressure29.68 inHg
Wind18.5 mph SE
Humidity96%
Visibility—
Dew point59°
Wed, 0462° / 55°0.62
Morning57°feels 57°
Afternoon61°feels 61°
Evening58°feels 58°
Overnight57°feels 57°
62 °
Alta, Wednesday, 4 November
Rain. High 62°, low 55°.
Pressure29.80 inHg
Wind10.8 mph NE
Humidity85%
Visibility—
Dew point57°
Thu, 0558° / 49°1.13
Morning57°feels 57°
Afternoon56°feels 56°
Evening51°feels 49°
Overnight51°feels 46°
58 °
Alta, Thursday, 5 November
Rain. High 58°, low 49°.
Pressure29.56 inHg
Wind19 mph N
Humidity95%
Visibility—
Dew point56°
Fri, 0648° / 37°0.01
Morning39°feels 31°
Afternoon44°feels 38°
Evening41°feels 37°
Overnight39°feels 33°
48 °
Alta, Friday, 6 November
Light rain. High 48°, low 37°.
Pressure30.15 inHg
Wind18 mph N
Humidity66%
Visibility—
Dew point33°
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.