Alto Pass, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 69°F 21°C	Observed at: Alto Pass, IL	Elevation: 424 ft | 129 m
	Last Updated: July 29, 5:15 AM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 69°F | 21°C
	Pressure: 29.1 in | 985.3 mb	Dewpoint: 65°F | 18°C
	Humidity: 88%	Wind: NNE 6 mph | NNE 10 kph
	Feels Like: 72°F | 22°C	Visibility: 30.6 mi | 49.2 km
	Lat/Long: 37.5703 | -89.3175	Sunrise: 5:59 AM   Sunset: 8:08 PM

7 Day Graphical Forecast

Valid: 5:22 AM 7/29/2026

Tonight Foggy 68 °F 1% Chance Precipitation Thursday Overcast 86 |66 °F 0% Chance Precipitation Friday Heavy Drizzle 81 |62 °F 68% Chance Precipitation Saturday Light Drizzle 72 |66 °F 68% Chance Precipitation Sunday Mostly Clear 83 |61 °F 31% Chance Precipitation Monday Clear 86 |62 °F 24% Chance Precipitation Tuesday Mostly Clear 90 |63 °F 21% Chance Precipitation

7 Hour Graphical Forecast

Valid: 5:22 AM 7/29/2026

5 AM Clear 69 °F 0% Chance Precipitation

6 AM Mostly Clear 68 °F 1% Chance Precipitation

7 AM Overcast 69 °F 1% Chance Precipitation

8 AM Clear 70 °F 1% Chance Precipitation

9 AM Clear 72 °F 1% Chance Precipitation

10 AM Clear 76 °F 1% Chance Precipitation

11 AM Clear 79 °F 0% Chance Precipitation

7 Day Textual Forecast - with QPF, Max Wind, Humidity, Snowfall & UV Index

7 Day & Night Weather Forecast for Alto Pass, IL - (Fahrenheit & Celsius) Valid: 5:22 AM 7/29/2026 Tonight Foggy with a low around 68°F [20°C]. NNE wind to around 9 mph [14 kph], with gusts to near 23 mph [37 kph]. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Thursday Overcast with a high near 86°F [30°C]. ENE wind to around 7 mph [10 kph], with gusts to near 14 mph [23 kph]. Dewpoint near 65°F [18°C] with humidity of 75%. Pressure around 29.10 in [985.3 mb]. UV Index: 7.35. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Thursday Night Overcast with a low around 66°F [19°C]. ENE wind to around 7 mph [10 kph], with gusts to near 14 mph [23 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Friday Heavy Drizzle with a high near 81°F [27°C]. SSE wind to around 12 mph [19 kph], with gusts to near 28 mph [44 kph]. Dewpoint near 65°F [18°C] with humidity of 94%. Pressure around 29.10 in [985.3 mb]. UV Index: 6.25. Chance of precipitation 68% with QPF of 0.12 in [3.1 mm]. Friday Night Heavy Drizzle with a low around 62°F [17°C]. SSE wind to around 12 mph [19 kph], with gusts to near 28 mph [44 kph]. Chance of precipitation 68% with QPF of 0.12 in [3.1 mm]. Saturday Light Drizzle with a high near 72°F [22°C]. NNW wind to around 14 mph [22 kph], with gusts to near 30 mph [49 kph]. Dewpoint near 65°F [18°C] with humidity of 98%. Pressure around 29.10 in [985.3 mb]. UV Index: 1.45. Chance of precipitation 68% with QPF of 0.02 in [0.5 mm]. Saturday Night Light Drizzle with a low around 66°F [19°C]. NNW wind to around 14 mph [22 kph], with gusts to near 30 mph [49 kph]. Chance of precipitation 68% with QPF of 0.02 in [0.5 mm]. Sunday Mostly Clear with a high near 83°F [28°C]. NNE wind to around 14 mph [23 kph], with gusts to near 28 mph [46 kph]. Dewpoint near 65°F [18°C] with humidity of 98%. Pressure around 29.10 in [985.3 mb]. UV Index: 7.45. Chance of precipitation 31% with QPF of 0.00 in [0.0 mm]. Sunday Night Mostly Clear with a low around 61°F [16°C]. NNE wind to around 14 mph [23 kph], with gusts to near 28 mph [46 kph]. Chance of precipitation 31% with QPF of 0.00 in [0.0 mm]. Monday Clear with a high near 86°F [30°C]. NE wind to around 10 mph [17 kph], with gusts to near 20 mph [32 kph]. Dewpoint near 65°F [18°C] with humidity of 96%. Pressure around 29.10 in [985.3 mb]. UV Index: 7.5. Chance of precipitation 24% with QPF of 0.00 in [0.0 mm]. Monday Night Clear with a low around 62°F [17°C]. NE wind to around 10 mph [17 kph], with gusts to near 20 mph [32 kph]. Chance of precipitation 24% with QPF of 0.00 in [0.0 mm]. Tuesday Mostly Clear with a high near 90°F [32°C]. E wind to around 7 mph [11 kph], with gusts to near 11 mph [17 kph]. Dewpoint near 65°F [18°C] with humidity of 90%. Pressure around 29.10 in [985.3 mb]. UV Index: 7.45. Chance of precipitation 21% with QPF of 0.00 in [0.0 mm]. Tuesday Night Mostly Clear with a low around 63°F [17°C]. E wind to around 7 mph [11 kph], with gusts to near 11 mph [17 kph]. Chance of precipitation 21% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Alto Pass, IL

Tonight: 0.0 mm | 0.00 in

Thursday: 0.0 mm | 0.00 in

Thursday Night: 0.0 mm | 0.00 in

Friday: 3.1 mm | 0.12 in

Friday Night: 3.1 mm | 0.12 in

Saturday: 0.5 mm | 0.02 in

Saturday Night: 0.5 mm | 0.02 in

Sunday: 0.0 mm | 0.00 in

Sunday Night: 0.0 mm | 0.00 in

Monday: 0.0 mm | 0.00 in

Monday Night: 0.0 mm | 0.00 in

Tuesday: 0.0 mm | 0.00 in

Tuesday Night: 0.0 mm | 0.00 in

7 Day and Night - Maximum Wind Speed Forecast for Alto Pass, IL

Tonight: NNE @ 14 kph | 9 mph

Thursday: ENE @ 10 kph | 7 mph

Thursday Night: ENE @ 10 kph | 7 mph

Friday: SSE @ 19 kph | 12 mph

Friday Night: SSE @ 19 kph | 12 mph

Saturday: NNW @ 22 kph | 14 mph

Saturday Night: NNW @ 22 kph | 14 mph

Sunday: NNE @ 23 kph | 14 mph

Sunday Night: NNE @ 23 kph | 14 mph

Monday: NE @ 17 kph | 10 mph

Monday Night: NE @ 17 kph | 10 mph

Tuesday: E @ 11 kph | 7 mph

Tuesday Night: E @ 11 kph | 7 mph

7 Day and Night - Maximum Humidity Forecast for Alto Pass, IL

Tonight: 91 %

Thursday: 75 %

Thursday Night: 75 %

Friday: 94 %

Friday Night: 94 %

Saturday: 98 %

Saturday Night: 98 %

Sunday: 98 %

Sunday Night: 98 %

Monday: 96 %

Monday Night: 96 %

Tuesday: 90 %

Tuesday Night: 90 %

7 Day and Night - Snowfall Totals Forecast for Alto Pass, IL

Tonight: 0.0 cm | 0.00 in

Thursday: 0.0 cm | 0.00 in

Thursday Night: 0.0 cm | 0.00 in

Friday: 0.0 cm | 0.00 in

Friday Night: 0.0 cm | 0.00 in

Saturday: 0.0 cm | 0.00 in

Saturday Night: 0.0 cm | 0.00 in

Sunday: 0.0 cm | 0.00 in

Sunday Night: 0.0 cm | 0.00 in

Monday: 0.0 cm | 0.00 in

Monday Night: 0.0 cm | 0.00 in

Tuesday: 0.0 cm | 0.00 in

Tuesday Night: 0.0 cm | 0.00 in

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