Lyons, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Partly Cloudy 80°F 27°C Heat Index: 82°F	Observed at: Lyons, IL	Elevation: 976 ft | 297 m
	Last Updated: July 16, 10:15 PM Timezone: GMT -5/-4
	Sky Conditions: Partly Cloudy	Temperature: 80°F | 27°C
	Pressure: 29.38 in | 994.9 mb	Dewpoint: 67°F | 19°C
	Humidity: 66%	Wind: NE 5 mph | NE 8 kph
	Feels Like: 84°F | 29°C	Visibility: 34.7 mi | 55.8 km
	Lat/Long: 41.8133 | -87.8181	Sunrise: 5:30 AM   Sunset: 8:23 PM

7 Day Graphical Forecast

Valid: 10:17 PM 7/16/2026

Tonight Heavy Drizzle 75 °F 20% Chance Precipitation Friday Overcast 95 |77 °F 19% Chance Precipitation Saturday Overcast 93 |74 °F 68% Chance Precipitation Sunday Overcast 87 |71 °F 1% Chance Precipitation Monday Overcast 87 |68 °F 44% Chance Precipitation Tuesday Light Drizzle 88 |67 °F 44% Chance Precipitation Wednesday Overcast 76 |59 °F 6% Chance Precipitation

7 Hour Graphical Forecast

Valid: 10:17 PM 7/16/2026

10 PM Mostly Clear 80 °F 0% Chance Precipitation

11 PM Light Drizzle 80 °F 2% Chance Precipitation

12 AM Partly Cloudy 79 °F 4% Chance Precipitation

1 AM Mostly Clear 78 °F 4% Chance Precipitation

2 AM Overcast 79 °F 3% Chance Precipitation

3 AM Overcast 79 °F 2% Chance Precipitation

4 AM Overcast 79 °F 2% Chance Precipitation

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

7 Day & Night Weather Forecast for Lyons, IL - (Fahrenheit & Celsius) Valid: 10:17 PM 7/16/2026 Tonight Heavy Drizzle with a low around 75°F [24°C]. NE wind to around 10 mph [15 kph], with gusts to near 13 mph [20 kph]. Chance of precipitation 20% with QPF of 0.06 in [1.5 mm]. Friday Overcast with a high near 95°F [35°C]. SW wind to around 12 mph [19 kph], with gusts to near 21 mph [33 kph]. Dewpoint near 67°F [19°C] with humidity of 84%. Pressure around 29.38 in [994.9 mb]. UV Index: 7.1. Chance of precipitation 19% with QPF of 0.00 in [0.0 mm]. Friday Night Overcast with a low around 77°F [25°C]. SW wind to around 12 mph [19 kph], with gusts to near 21 mph [33 kph]. Chance of precipitation 19% with QPF of 0.00 in [0.0 mm]. Saturday Overcast with a high near 93°F [34°C]. WNW wind to around 15 mph [25 kph], with gusts to near 30 mph [49 kph]. Dewpoint near 67°F [19°C] with humidity of 76%. Pressure around 29.38 in [994.9 mb]. UV Index: 7.5. Chance of precipitation 68% with QPF of 0.00 in [0.0 mm]. Saturday Night Overcast with a low around 74°F [24°C]. WNW wind to around 15 mph [25 kph], with gusts to near 30 mph [49 kph]. Chance of precipitation 68% with QPF of 0.00 in [0.0 mm]. Sunday Overcast with a high near 87°F [31°C]. ENE wind to around 10 mph [15 kph], with gusts to near 18 mph [29 kph]. Dewpoint near 67°F [19°C] with humidity of 75%. Pressure around 29.38 in [994.9 mb]. UV Index: 7.5. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Sunday Night Overcast with a low around 71°F [22°C]. ENE wind to around 10 mph [15 kph], with gusts to near 18 mph [29 kph]. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Monday Overcast with a high near 87°F [30°C]. SSW wind to around 12 mph [19 kph], with gusts to near 27 mph [43 kph]. Dewpoint near 67°F [19°C] with humidity of 89%. Pressure around 29.38 in [994.9 mb]. UV Index: 6.7. Chance of precipitation 44% with QPF of 0.00 in [0.0 mm]. Monday Night Overcast with a low around 68°F [20°C]. SSW wind to around 12 mph [19 kph], with gusts to near 27 mph [43 kph]. Chance of precipitation 44% with QPF of 0.00 in [0.0 mm]. Tuesday Light Drizzle with a high near 88°F [31°C]. WNW wind to around 14 mph [22 kph], with gusts to near 34 mph [54 kph]. Dewpoint near 67°F [19°C] with humidity of 91%. Pressure around 29.38 in [994.9 mb]. UV Index: 6.95. Chance of precipitation 44% with QPF of 0.02 in [0.5 mm]. Tuesday Night Light Drizzle with a low around 67°F [19°C]. WNW wind to around 14 mph [22 kph], with gusts to near 34 mph [54 kph]. Chance of precipitation 44% with QPF of 0.02 in [0.5 mm]. Wednesday Overcast with a high near 76°F [24°C]. N wind to around 12 mph [19 kph], with gusts to near 23 mph [36 kph]. Dewpoint near 67°F [19°C] with humidity of 65%. Pressure around 29.38 in [994.9 mb]. UV Index: 6.65. Chance of precipitation 6% with QPF of 0.00 in [0.0 mm]. Wednesday Night Overcast with a low around 59°F [15°C]. N wind to around 12 mph [19 kph], with gusts to near 23 mph [36 kph]. Chance of precipitation 6% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Lyons, IL

Tonight: 1.5 mm | 0.06 in

Friday: 0.0 mm | 0.00 in

Friday Night: 0.0 mm | 0.00 in

Saturday: 0.0 mm | 0.00 in

Saturday Night: 0.0 mm | 0.00 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: 0.5 mm | 0.02 in

Tuesday Night: 0.5 mm | 0.02 in

Wednesday: 0.0 mm | 0.00 in

Wednesday Night: 0.0 mm | 0.00 in

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

Tonight: NE @ 15 kph | 10 mph

Friday: SW @ 19 kph | 12 mph

Friday Night: SW @ 19 kph | 12 mph

Saturday: WNW @ 25 kph | 15 mph

Saturday Night: WNW @ 25 kph | 15 mph

Sunday: ENE @ 15 kph | 10 mph

Sunday Night: ENE @ 15 kph | 10 mph

Monday: SSW @ 19 kph | 12 mph

Monday Night: SSW @ 19 kph | 12 mph

Tuesday: WNW @ 22 kph | 14 mph

Tuesday Night: WNW @ 22 kph | 14 mph

Wednesday: N @ 19 kph | 12 mph

Wednesday Night: N @ 19 kph | 12 mph

7 Day and Night - Maximum Humidity Forecast for Lyons, IL

Tonight: 93 %

Friday: 84 %

Friday Night: 84 %

Saturday: 76 %

Saturday Night: 76 %

Sunday: 75 %

Sunday Night: 75 %

Monday: 89 %

Monday Night: 89 %

Tuesday: 91 %

Tuesday Night: 91 %

Wednesday: 65 %

Wednesday Night: 65 %

7 Day and Night - Snowfall Totals Forecast for Lyons, IL

Tonight: 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

Wednesday: 0.0 cm | 0.00 in

Wednesday Night: 0.0 cm | 0.00 in

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