Island Grove, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 65°F 18°C	Observed at: Island Grove, IL	Elevation: 704 ft | 215 m
	Last Updated: July 29, 5:15 AM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 65°F | 18°C
	Pressure: 29.23 in | 989.8 mb	Dewpoint: 61°F | 16°C
	Humidity: 86%	Wind: NE 4 mph | NE 6 kph
	Feels Like: 67°F | 19°C	Visibility: 30.6 mi | 49.2 km
	Lat/Long: 39.7242 | -89.9608	Sunrise: 5:56 AM   Sunset: 8:16 PM

7 Day Graphical Forecast

Valid: 5:21 AM 7/29/2026

Tonight Partly Cloudy 64 °F 1% Chance Precipitation Thursday Overcast 90 |64 °F 0% Chance Precipitation Friday Heavy Showers 78 |64 °F 71% Chance Precipitation Saturday Drizzle 77 |65 °F 67% Chance Precipitation Sunday Overcast 81 |60 °F 18% Chance Precipitation Monday Clear 81 |62 °F 19% Chance Precipitation Tuesday Clear 83 |61 °F 14% Chance Precipitation

7 Hour Graphical Forecast

Valid: 5:21 AM 7/29/2026

5 AM Clear 65 °F 0% Chance Precipitation

6 AM Clear 64 °F 1% Chance Precipitation

7 AM Clear 65 °F 1% Chance Precipitation

8 AM Clear 68 °F 1% Chance Precipitation

9 AM Clear 72 °F 0% Chance Precipitation

10 AM Clear 76 °F 0% Chance Precipitation

11 AM Clear 80 °F 0% Chance Precipitation

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

7 Day & Night Weather Forecast for Island Grove, IL - (Fahrenheit & Celsius) Valid: 5:21 AM 7/29/2026 Tonight Partly Cloudy with a low around 64°F [18°C]. NE wind to around 9 mph [14 kph], with gusts to near 14 mph [23 kph]. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Thursday Overcast with a high near 90°F [32°C]. ESE wind to around 6 mph [9 kph], with gusts to near 16 mph [26 kph]. Dewpoint near 61°F [16°C] with humidity of 72%. Pressure around 29.23 in [989.8 mb]. UV Index: 7.3. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Thursday Night Overcast with a low around 64°F [18°C]. ESE wind to around 6 mph [9 kph], with gusts to near 16 mph [26 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Friday Heavy Showers with a high near 78°F [25°C]. SSE wind to around 18 mph [29 kph], with gusts to near 29 mph [46 kph]. Dewpoint near 61°F [16°C] with humidity of 98%. Pressure around 29.23 in [989.8 mb]. UV Index: 5.8. Chance of precipitation 71% with QPF of 0.93 in [23.7 mm]. Friday Night Heavy Showers with a low around 64°F [18°C]. SSE wind to around 18 mph [29 kph], with gusts to near 29 mph [46 kph]. Chance of precipitation 71% with QPF of 0.93 in [23.7 mm]. Saturday Drizzle with a high near 77°F [25°C]. NE wind to around 17 mph [28 kph], with gusts to near 25 mph [40 kph]. Dewpoint near 61°F [16°C] with humidity of 98%. Pressure around 29.23 in [989.8 mb]. UV Index: 6.4. Chance of precipitation 67% with QPF of 0.09 in [2.4 mm]. Saturday Night Drizzle with a low around 65°F [18°C]. NE wind to around 17 mph [28 kph], with gusts to near 25 mph [40 kph]. Chance of precipitation 67% with QPF of 0.09 in [2.4 mm]. Sunday Overcast with a high near 81°F [27°C]. NE wind to around 10 mph [17 kph], with gusts to near 18 mph [29 kph]. Dewpoint near 61°F [16°C] with humidity of 96%. Pressure around 29.23 in [989.8 mb]. UV Index: 7.4. Chance of precipitation 18% with QPF of 0.00 in [0.0 mm]. Sunday Night Overcast with a low around 60°F [16°C]. NE wind to around 10 mph [17 kph], with gusts to near 18 mph [29 kph]. Chance of precipitation 18% with QPF of 0.00 in [0.0 mm]. Monday Clear with a high near 81°F [27°C]. E wind to around 6 mph [10 kph], with gusts to near 7 mph [11 kph]. Dewpoint near 61°F [16°C] with humidity of 97%. Pressure around 29.23 in [989.8 mb]. UV Index: 7.45. Chance of precipitation 19% with QPF of 0.00 in [0.0 mm]. Monday Night Clear with a low around 62°F [17°C]. E wind to around 6 mph [10 kph], with gusts to near 7 mph [11 kph]. Chance of precipitation 19% with QPF of 0.00 in [0.0 mm]. Tuesday Clear with a high near 83°F [28°C]. SE wind to around 8 mph [13 kph], with gusts to near 13 mph [20 kph]. Dewpoint near 61°F [16°C] with humidity of 93%. Pressure around 29.23 in [989.8 mb]. UV Index: 7.4. Chance of precipitation 14% with QPF of 0.00 in [0.0 mm]. Tuesday Night Clear with a low around 61°F [16°C]. SE wind to around 8 mph [13 kph], with gusts to near 13 mph [20 kph]. Chance of precipitation 14% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Island Grove, IL

Tonight: 0.0 mm | 0.00 in

Thursday: 0.0 mm | 0.00 in

Thursday Night: 0.0 mm | 0.00 in

Friday: 23.7 mm | 0.93 in

Friday Night: 23.7 mm | 0.93 in

Saturday: 2.4 mm | 0.09 in

Saturday Night: 2.4 mm | 0.09 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 Island Grove, IL

Tonight: NE @ 14 kph | 9 mph

Thursday: ESE @ 9 kph | 6 mph

Thursday Night: ESE @ 9 kph | 6 mph

Friday: SSE @ 29 kph | 18 mph

Friday Night: SSE @ 29 kph | 18 mph

Saturday: NE @ 28 kph | 17 mph

Saturday Night: NE @ 28 kph | 17 mph

Sunday: NE @ 17 kph | 10 mph

Sunday Night: NE @ 17 kph | 10 mph

Monday: E @ 10 kph | 6 mph

Monday Night: E @ 10 kph | 6 mph

Tuesday: SE @ 13 kph | 8 mph

Tuesday Night: SE @ 13 kph | 8 mph

7 Day and Night - Maximum Humidity Forecast for Island Grove, IL

Tonight: 93 %

Thursday: 72 %

Thursday Night: 72 %

Friday: 98 %

Friday Night: 98 %

Saturday: 98 %

Saturday Night: 98 %

Sunday: 96 %

Sunday Night: 96 %

Monday: 97 %

Monday Night: 97 %

Tuesday: 93 %

Tuesday Night: 93 %

7 Day and Night - Snowfall Totals Forecast for Island Grove, 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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