Iroquois, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 77°F 25°C Heat Index: 77°F	Observed at: Iroquois, IL	Elevation: 848 ft | 258 m
	Last Updated: July 16, 10:30 PM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 77°F | 25°C
	Pressure: 29.31 in | 992.7 mb	Dewpoint: 73°F | 23°C
	Humidity: 86%	Wind: E 5 mph | E 8 kph
	Feels Like: 85°F | 29°C	Visibility: 31.2 mi | 50.2 km
	Lat/Long: 40.8275 | -87.5819	Sunrise: 5:32 AM   Sunset: 8:20 PM

7 Day Graphical Forecast

Valid: 10:38 PM 7/16/2026

Tonight Partly Cloudy 72 °F 12% Chance Precipitation Friday Overcast 88 |72 °F 26% Chance Precipitation Saturday Light Showers 90 |70 °F 78% Chance Precipitation Sunday Overcast 80 |63 °F 16% Chance Precipitation Monday Overcast 82 |64 °F 23% Chance Precipitation Tuesday Light Drizzle 86 |67 °F 31% Chance Precipitation Wednesday Overcast 72 |55 °F 4% Chance Precipitation

7 Hour Graphical Forecast

Valid: 10:38 PM 7/16/2026

10 PM Clear 78 °F 8% Chance Precipitation

11 PM Clear 77 °F 12% Chance Precipitation

12 AM Clear 76 °F 10% Chance Precipitation

1 AM Clear 75 °F 9% Chance Precipitation

2 AM Clear 74 °F 6% Chance Precipitation

3 AM Clear 73 °F 4% Chance Precipitation

4 AM Overcast 72 °F 5% Chance Precipitation

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

7 Day & Night Weather Forecast for Iroquois, IL - (Fahrenheit & Celsius) Valid: 10:38 PM 7/16/2026 Tonight Partly Cloudy with a low around 72°F [22°C]. NNE wind to around 7 mph [11 kph], with gusts to near 10 mph [17 kph]. Chance of precipitation 12% with QPF of 0.00 in [0.0 mm]. Friday Overcast with a high near 88°F [31°C]. SSW wind to around 13 mph [21 kph], with gusts to near 17 mph [27 kph]. Dewpoint near 73°F [23°C] with humidity of 96%. Pressure around 29.31 in [992.7 mb]. UV Index: 7.6. Chance of precipitation 26% with QPF of 0.00 in [0.0 mm]. Friday Night Overcast with a low around 72°F [22°C]. SSW wind to around 13 mph [21 kph], with gusts to near 17 mph [27 kph]. Chance of precipitation 26% with QPF of 0.00 in [0.0 mm]. Saturday Light Showers with a high near 90°F [32°C]. W wind to around 18 mph [30 kph], with gusts to near 27 mph [44 kph]. Dewpoint near 73°F [23°C] with humidity of 94%. Pressure around 29.31 in [992.7 mb]. UV Index: 7.55. Chance of precipitation 78% with QPF of 0.14 in [3.6 mm]. Saturday Night Light Showers with a low around 70°F [21°C]. W wind to around 18 mph [30 kph], with gusts to near 27 mph [44 kph]. Chance of precipitation 78% with QPF of 0.14 in [3.6 mm]. Sunday Overcast with a high near 80°F [27°C]. NE wind to around 8 mph [12 kph], with gusts to near 17 mph [27 kph]. Dewpoint near 73°F [23°C] with humidity of 94%. Pressure around 29.31 in [992.7 mb]. UV Index: 7.55. Chance of precipitation 16% with QPF of 0.00 in [0.0 mm]. Sunday Night Overcast with a low around 63°F [17°C]. NE wind to around 8 mph [12 kph], with gusts to near 17 mph [27 kph]. Chance of precipitation 16% with QPF of 0.00 in [0.0 mm]. Monday Overcast with a high near 82°F [28°C]. S wind to around 10 mph [17 kph], with gusts to near 22 mph [36 kph]. Dewpoint near 73°F [23°C] with humidity of 96%. Pressure around 29.31 in [992.7 mb]. UV Index: 7.5. Chance of precipitation 23% with QPF of 0.00 in [0.0 mm]. Monday Night Overcast with a low around 64°F [18°C]. S wind to around 10 mph [17 kph], with gusts to near 22 mph [36 kph]. Chance of precipitation 23% with QPF of 0.00 in [0.0 mm]. Tuesday Light Drizzle with a high near 86°F [30°C]. W wind to around 17 mph [28 kph], with gusts to near 33 mph [54 kph]. Dewpoint near 73°F [23°C] with humidity of 94%. Pressure around 29.31 in [992.7 mb]. UV Index: 7.4. Chance of precipitation 31% with QPF of 0.01 in [0.3 mm]. Tuesday Night Light Drizzle with a low around 67°F [19°C]. W wind to around 17 mph [28 kph], with gusts to near 33 mph [54 kph]. Chance of precipitation 31% with QPF of 0.01 in [0.3 mm]. Wednesday Overcast with a high near 72°F [22°C]. NNE wind to around 17 mph [27 kph], with gusts to near 27 mph [44 kph]. Dewpoint near 73°F [23°C] with humidity of 82%. Pressure around 29.31 in [992.7 mb]. UV Index: 7.2. Chance of precipitation 4% with QPF of 0.00 in [0.0 mm]. Wednesday Night Overcast with a low around 55°F [13°C]. NNE wind to around 17 mph [27 kph], with gusts to near 27 mph [44 kph]. Chance of precipitation 4% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Iroquois, IL

Tonight: 0.0 mm | 0.00 in

Friday: 0.0 mm | 0.00 in

Friday Night: 0.0 mm | 0.00 in

Saturday: 3.6 mm | 0.14 in

Saturday Night: 3.6 mm | 0.14 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: 0.3 mm | 0.01 in

Tuesday Night: 0.3 mm | 0.01 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 Iroquois, IL

Tonight: NNE @ 11 kph | 7 mph

Friday: SSW @ 21 kph | 13 mph

Friday Night: SSW @ 21 kph | 13 mph

Saturday: W @ 30 kph | 18 mph

Saturday Night: W @ 30 kph | 18 mph

Sunday: NE @ 12 kph | 8 mph

Sunday Night: NE @ 12 kph | 8 mph

Monday: S @ 17 kph | 10 mph

Monday Night: S @ 17 kph | 10 mph

Tuesday: W @ 28 kph | 17 mph

Tuesday Night: W @ 28 kph | 17 mph

Wednesday: NNE @ 27 kph | 17 mph

Wednesday Night: NNE @ 27 kph | 17 mph

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

Tonight: 95 %

Friday: 96 %

Friday Night: 96 %

Saturday: 94 %

Saturday Night: 94 %

Sunday: 94 %

Sunday Night: 94 %

Monday: 96 %

Monday Night: 96 %

Tuesday: 94 %

Tuesday Night: 94 %

Wednesday: 82 %

Wednesday Night: 82 %

7 Day and Night - Snowfall Totals Forecast for Iroquois, 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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