Onarga, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 80°F 27°C Heat Index: 84°F	Observed at: Onarga, IL	Elevation: 833 ft | 254 m
	Last Updated: July 16, 10:15 PM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 80°F | 27°C
	Pressure: 29.31 in | 992.4 mb	Dewpoint: 72°F | 22°C
	Humidity: 75%	Wind: ESE 2 mph | ESE 3 kph
	Feels Like: 88°F | 31°C	Visibility: 41.6 mi | 66.9 km
	Lat/Long: 40.715 | -88.0061	Sunrise: 5:34 AM   Sunset: 8:21 PM

7 Day Graphical Forecast

Valid: 10:22 PM 7/16/2026

Tonight Mostly Clear 72 °F 7% Chance Precipitation Friday Overcast 88 |75 °F 32% Chance Precipitation Saturday Heavy Drizzle 89 |72 °F 64% Chance Precipitation Sunday Overcast 80 |65 °F 22% Chance Precipitation Monday Overcast 83 |64 °F 17% Chance Precipitation Tuesday Light Drizzle 86 |66 °F 25% Chance Precipitation Wednesday Overcast 72 |53 °F 3% Chance Precipitation

7 Hour Graphical Forecast

Valid: 10:22 PM 7/16/2026

10 PM Clear 81 °F 6% Chance Precipitation

11 PM Clear 79 °F 7% Chance Precipitation

12 AM Clear 78 °F 10% Chance Precipitation

1 AM Clear 77 °F 8% Chance Precipitation

2 AM Clear 76 °F 5% Chance Precipitation

3 AM Clear 75 °F 4% Chance Precipitation

4 AM Clear 75 °F 8% Chance Precipitation

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

7 Day & Night Weather Forecast for Onarga, IL - (Fahrenheit & Celsius) Valid: 10:22 PM 7/16/2026 Tonight Mostly Clear with a low around 72°F [22°C]. SW wind to around 5 mph [9 kph], with gusts to near 11 mph [18 kph]. Chance of precipitation 7% with QPF of 0.00 in [0.0 mm]. Friday Overcast with a high near 88°F [31°C]. SW wind to around 10 mph [16 kph], with gusts to near 14 mph [23 kph]. Dewpoint near 72°F [22°C] with humidity of 94%. Pressure around 29.31 in [992.4 mb]. UV Index: 7.6. Chance of precipitation 32% with QPF of 0.00 in [0.0 mm]. Friday Night Overcast with a low around 75°F [24°C]. SW wind to around 10 mph [16 kph], with gusts to near 14 mph [23 kph]. Chance of precipitation 32% with QPF of 0.00 in [0.0 mm]. Saturday Heavy Drizzle with a high near 89°F [32°C]. W wind to around 16 mph [26 kph], with gusts to near 30 mph [47 kph]. Dewpoint near 72°F [22°C] with humidity of 95%. Pressure around 29.31 in [992.4 mb]. UV Index: 7.55. Chance of precipitation 64% with QPF of 0.11 in [2.7 mm]. Saturday Night Heavy Drizzle with a low around 72°F [22°C]. W wind to around 16 mph [26 kph], with gusts to near 30 mph [47 kph]. Chance of precipitation 64% with QPF of 0.11 in [2.7 mm]. Sunday Overcast with a high near 80°F [27°C]. ENE wind to around 8 mph [13 kph], with gusts to near 11 mph [18 kph]. Dewpoint near 72°F [22°C] with humidity of 94%. Pressure around 29.31 in [992.4 mb]. UV Index: 7.55. Chance of precipitation 22% with QPF of 0.00 in [0.0 mm]. Sunday Night Overcast with a low around 65°F [18°C]. ENE wind to around 8 mph [13 kph], with gusts to near 11 mph [18 kph]. Chance of precipitation 22% with QPF of 0.00 in [0.0 mm]. Monday Overcast with a high near 83°F [28°C]. S wind to around 11 mph [18 kph], with gusts to near 24 mph [39 kph]. Dewpoint near 72°F [22°C] with humidity of 96%. Pressure around 29.31 in [992.4 mb]. UV Index: 7.35. Chance of precipitation 17% with QPF of 0.00 in [0.0 mm]. Monday Night Overcast with a low around 64°F [18°C]. S wind to around 11 mph [18 kph], with gusts to near 24 mph [39 kph]. Chance of precipitation 17% with QPF of 0.00 in [0.0 mm]. Tuesday Light Drizzle with a high near 86°F [30°C]. W wind to around 16 mph [26 kph], with gusts to near 32 mph [52 kph]. Dewpoint near 72°F [22°C] with humidity of 97%. Pressure around 29.31 in [992.4 mb]. UV Index: 7.6. Chance of precipitation 25% with QPF of 0.01 in [0.3 mm]. Tuesday Night Light Drizzle with a low around 66°F [19°C]. W wind to around 16 mph [26 kph], with gusts to near 32 mph [52 kph]. Chance of precipitation 25% with QPF of 0.01 in [0.3 mm]. Wednesday Overcast with a high near 72°F [22°C]. N wind to around 15 mph [25 kph], with gusts to near 27 mph [43 kph]. Dewpoint near 72°F [22°C] with humidity of 83%. Pressure around 29.31 in [992.4 mb]. UV Index: 6.45. Chance of precipitation 3% with QPF of 0.00 in [0.0 mm]. Wednesday Night Overcast with a low around 53°F [12°C]. N wind to around 15 mph [25 kph], with gusts to near 27 mph [43 kph]. Chance of precipitation 3% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Onarga, IL

Tonight: 0.0 mm | 0.00 in

Friday: 0.0 mm | 0.00 in

Friday Night: 0.0 mm | 0.00 in

Saturday: 2.7 mm | 0.11 in

Saturday Night: 2.7 mm | 0.11 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 Onarga, IL

Tonight: SW @ 9 kph | 5 mph

Friday: SW @ 16 kph | 10 mph

Friday Night: SW @ 16 kph | 10 mph

Saturday: W @ 26 kph | 16 mph

Saturday Night: W @ 26 kph | 16 mph

Sunday: ENE @ 13 kph | 8 mph

Sunday Night: ENE @ 13 kph | 8 mph

Monday: S @ 18 kph | 11 mph

Monday Night: S @ 18 kph | 11 mph

Tuesday: W @ 26 kph | 16 mph

Tuesday Night: W @ 26 kph | 16 mph

Wednesday: N @ 25 kph | 15 mph

Wednesday Night: N @ 25 kph | 15 mph

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

Tonight: 95 %

Friday: 94 %

Friday Night: 94 %

Saturday: 95 %

Saturday Night: 95 %

Sunday: 94 %

Sunday Night: 94 %

Monday: 96 %

Monday Night: 96 %

Tuesday: 97 %

Tuesday Night: 97 %

Wednesday: 83 %

Wednesday Night: 83 %

7 Day and Night - Snowfall Totals Forecast for Onarga, 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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