Chicago Heights, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 62°F 17°C	Observed at: Chicago Heights, IL	Elevation: 936 ft | 285 m
	Last Updated: July 29, 5:15 AM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 62°F | 17°C
	Pressure: 29.23 in | 990 mb	Dewpoint: 59°F | 15°C
	Humidity: 91%	Wind: WNW 4 mph | WNW 6 kph
	Feels Like: 63°F | 17°C	Visibility: 26.7 mi | 43 km
	Lat/Long: 41.5061 | -87.6356	Sunrise: 5:42 AM   Sunset: 8:11 PM

7 Day Graphical Forecast

Valid: 5:26 AM 7/29/2026

Tonight Clear 62 °F 0% Chance Precipitation Thursday Overcast 88 |59 °F 1% Chance Precipitation Friday Showers 74 |64 °F 70% Chance Precipitation Saturday Showers 74 |64 °F 70% Chance Precipitation Sunday Partly Cloudy 79 |65 °F 26% Chance Precipitation Monday Mostly Clear 83 |63 °F 13% Chance Precipitation Tuesday Clear 84 |63 °F 13% Chance Precipitation

7 Hour Graphical Forecast

Valid: 5:26 AM 7/29/2026

5 AM Clear 62 °F 0% Chance Precipitation

6 AM Clear 62 °F 0% Chance Precipitation

7 AM Clear 64 °F 0% Chance Precipitation

8 AM Clear 69 °F 0% Chance Precipitation

9 AM Clear 73 °F 0% Chance Precipitation

10 AM Clear 75 °F 0% Chance Precipitation

11 AM Clear 76 °F 0% Chance Precipitation

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

7 Day & Night Weather Forecast for Chicago Heights, IL - (Fahrenheit & Celsius) Valid: 5:26 AM 7/29/2026 Tonight Clear with a low around 62°F [16°C]. NNE wind to around 10 mph [16 kph], with gusts to near 17 mph [27 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Thursday Overcast with a high near 88°F [31°C]. ENE wind to around 7 mph [11 kph], with gusts to near 11 mph [18 kph]. Dewpoint near 59°F [15°C] with humidity of 91%. Pressure around 29.23 in [990 mb]. UV Index: 7.2. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Thursday Night Overcast with a low around 59°F [15°C]. ENE wind to around 7 mph [11 kph], with gusts to near 11 mph [18 kph]. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Friday Showers with a high near 74°F [23°C]. SE wind to around 9 mph [15 kph], with gusts to near 19 mph [30 kph]. Dewpoint near 59°F [15°C] with humidity of 98%. Pressure around 29.23 in [990 mb]. UV Index: 2.15. Chance of precipitation 70% with QPF of 0.95 in [24.0 mm]. Friday Night Showers with a low around 64°F [18°C]. SE wind to around 9 mph [15 kph], with gusts to near 19 mph [30 kph]. Chance of precipitation 70% with QPF of 0.95 in [24.0 mm]. Saturday Showers with a high near 74°F [23°C]. NE wind to around 11 mph [18 kph], with gusts to near 20 mph [33 kph]. Dewpoint near 59°F [15°C] with humidity of 98%. Pressure around 29.23 in [990 mb]. UV Index: 6.65. Chance of precipitation 70% with QPF of 0.17 in [4.4 mm]. Saturday Night Showers with a low around 64°F [18°C]. NE wind to around 11 mph [18 kph], with gusts to near 20 mph [33 kph]. Chance of precipitation 70% with QPF of 0.17 in [4.4 mm]. Sunday Partly Cloudy with a high near 79°F [26°C]. NNE wind to around 10 mph [16 kph], with gusts to near 16 mph [26 kph]. Dewpoint near 59°F [15°C] with humidity of 96%. Pressure around 29.23 in [990 mb]. UV Index: 7.05. Chance of precipitation 26% with QPF of 0.00 in [0.0 mm]. Sunday Night Partly Cloudy with a low around 65°F [18°C]. NNE wind to around 10 mph [16 kph], with gusts to near 16 mph [26 kph]. Chance of precipitation 26% with QPF of 0.00 in [0.0 mm]. Monday Mostly Clear with a high near 83°F [28°C]. S wind to around 6 mph [10 kph], with gusts to near 9 mph [15 kph]. Dewpoint near 59°F [15°C] with humidity of 89%. Pressure around 29.23 in [990 mb]. UV Index: 7.2. Chance of precipitation 13% with QPF of 0.00 in [0.0 mm]. Monday Night Mostly Clear with a low around 63°F [17°C]. S wind to around 6 mph [10 kph], with gusts to near 9 mph [15 kph]. Chance of precipitation 13% with QPF of 0.00 in [0.0 mm]. Tuesday Clear with a high near 84°F [29°C]. S wind to around 7 mph [11 kph], with gusts to near 12 mph [19 kph]. Dewpoint near 59°F [15°C] with humidity of 84%. Pressure around 29.23 in [990 mb]. UV Index: 7.2. Chance of precipitation 13% with QPF of 0.00 in [0.0 mm]. Tuesday Night Clear with a low around 63°F [17°C]. S wind to around 7 mph [11 kph], with gusts to near 12 mph [19 kph]. Chance of precipitation 13% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Chicago Heights, IL

Tonight: 0.0 mm | 0.00 in

Thursday: 0.0 mm | 0.00 in

Thursday Night: 0.0 mm | 0.00 in

Friday: 24.0 mm | 0.95 in

Friday Night: 24.0 mm | 0.95 in

Saturday: 4.4 mm | 0.17 in

Saturday Night: 4.4 mm | 0.17 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 Chicago Heights, IL

Tonight: NNE @ 16 kph | 10 mph

Thursday: ENE @ 11 kph | 7 mph

Thursday Night: ENE @ 11 kph | 7 mph

Friday: SE @ 15 kph | 9 mph

Friday Night: SE @ 15 kph | 9 mph

Saturday: NE @ 18 kph | 11 mph

Saturday Night: NE @ 18 kph | 11 mph

Sunday: NNE @ 16 kph | 10 mph

Sunday Night: NNE @ 16 kph | 10 mph

Monday: S @ 10 kph | 6 mph

Monday Night: S @ 10 kph | 6 mph

Tuesday: S @ 11 kph | 7 mph

Tuesday Night: S @ 11 kph | 7 mph

7 Day and Night - Maximum Humidity Forecast for Chicago Heights, IL

Tonight: 91 %

Thursday: 91 %

Thursday Night: 91 %

Friday: 98 %

Friday Night: 98 %

Saturday: 98 %

Saturday Night: 98 %

Sunday: 96 %

Sunday Night: 96 %

Monday: 89 %

Monday Night: 89 %

Tuesday: 84 %

Tuesday Night: 84 %

7 Day and Night - Snowfall Totals Forecast for Chicago Heights, 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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