Onarga, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 60°F 16°C	Observed at: Onarga, IL	Elevation: 833 ft | 254 m
	Last Updated: July 29, 5:15 AM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 60°F | 16°C
	Pressure: 29.2 in | 988.9 mb	Dewpoint: 57°F | 14°C
	Humidity: 92%	Wind: NNW 5 mph | NNW 8 kph
	Feels Like: 60°F | 16°C	Visibility: 25.7 mi | 41.3 km
	Lat/Long: 40.715 | -88.0061	Sunrise: 5:46 AM   Sunset: 8:10 PM

7 Day Graphical Forecast

Valid: 5:21 AM 7/29/2026

Tonight Clear 59 °F 0% Chance Precipitation Thursday Overcast 86 |59 °F 1% Chance Precipitation Friday Light Showers 74 |64 °F 70% Chance Precipitation Saturday Heavy Drizzle 74 |62 °F 70% Chance Precipitation Sunday Light Drizzle 79 |60 °F 36% Chance Precipitation Monday Mostly Clear 81 |59 °F 17% Chance Precipitation Tuesday Clear 81 |57 °F 18% Chance Precipitation

7 Hour Graphical Forecast

Valid: 5:21 AM 7/29/2026

5 AM Clear 60 °F 0% Chance Precipitation

6 AM Clear 59 °F 0% Chance Precipitation

7 AM Clear 61 °F 0% Chance Precipitation

8 AM Clear 66 °F 0% Chance Precipitation

9 AM Clear 71 °F 0% Chance Precipitation

10 AM Clear 75 °F 0% Chance Precipitation

11 AM Clear 77 °F 0% 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: 5:21 AM 7/29/2026 Tonight Clear with a low around 59°F [15°C]. NNE wind to around 11 mph [18 kph], with gusts to near 15 mph [24 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Thursday Overcast with a high near 86°F [30°C]. ENE wind to around 6 mph [9 kph], with gusts to near 11 mph [17 kph]. Dewpoint near 57°F [14°C] with humidity of 93%. Pressure around 29.20 in [988.9 mb]. UV Index: 7.1. 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 6 mph [9 kph], with gusts to near 11 mph [17 kph]. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Friday Light Showers with a high near 74°F [24°C]. SE wind to around 12 mph [19 kph], with gusts to near 19 mph [30 kph]. Dewpoint near 57°F [14°C] with humidity of 97%. Pressure around 29.20 in [988.9 mb]. UV Index: 3.5. Chance of precipitation 70% with QPF of 0.09 in [2.3 mm]. Friday Night Light Showers with a low around 64°F [18°C]. SE wind to around 12 mph [19 kph], with gusts to near 19 mph [30 kph]. Chance of precipitation 70% with QPF of 0.09 in [2.3 mm]. Saturday Heavy Drizzle with a high near 74°F [23°C]. NE wind to around 14 mph [22 kph], with gusts to near 25 mph [40 kph]. Dewpoint near 57°F [14°C] with humidity of 98%. Pressure around 29.20 in [988.9 mb]. UV Index: 6.15. Chance of precipitation 70% with QPF of 0.13 in [3.2 mm]. Saturday Night Heavy Drizzle with a low around 62°F [17°C]. NE wind to around 14 mph [22 kph], with gusts to near 25 mph [40 kph]. Chance of precipitation 70% with QPF of 0.13 in [3.2 mm]. Sunday Light Drizzle with a high near 79°F [26°C]. NNE wind to around 11 mph [18 kph], with gusts to near 17 mph [27 kph]. Dewpoint near 57°F [14°C] with humidity of 97%. Pressure around 29.20 in [988.9 mb]. UV Index: 6.9. Chance of precipitation 36% with QPF of 0.01 in [0.3 mm]. Sunday Night Light Drizzle with a low around 60°F [15°C]. NNE wind to around 11 mph [18 kph], with gusts to near 17 mph [27 kph]. Chance of precipitation 36% with QPF of 0.01 in [0.3 mm]. Monday Mostly Clear with a high near 81°F [27°C]. E wind to around 8 mph [12 kph], with gusts to near 10 mph [16 kph]. Dewpoint near 57°F [14°C] with humidity of 96%. Pressure around 29.20 in [988.9 mb]. UV Index: 7.25. Chance of precipitation 17% with QPF of 0.00 in [0.0 mm]. Monday Night Mostly Clear with a low around 59°F [15°C]. E wind to around 8 mph [12 kph], with gusts to near 10 mph [16 kph]. Chance of precipitation 17% with QPF of 0.00 in [0.0 mm]. Tuesday Clear with a high near 81°F [27°C]. SSE wind to around 8 mph [12 kph], with gusts to near 10 mph [15 kph]. Dewpoint near 57°F [14°C] with humidity of 92%. Pressure around 29.20 in [988.9 mb]. UV Index: 7.3. Chance of precipitation 18% with QPF of 0.00 in [0.0 mm]. Tuesday Night Clear with a low around 57°F [14°C]. SSE wind to around 8 mph [12 kph], with gusts to near 10 mph [15 kph]. Chance of precipitation 18% 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

Thursday: 0.0 mm | 0.00 in

Thursday Night: 0.0 mm | 0.00 in

Friday: 2.3 mm | 0.09 in

Friday Night: 2.3 mm | 0.09 in

Saturday: 3.2 mm | 0.13 in

Saturday Night: 3.2 mm | 0.13 in

Sunday: 0.3 mm | 0.01 in

Sunday Night: 0.3 mm | 0.01 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 Onarga, IL

Tonight: NNE @ 18 kph | 11 mph

Thursday: ENE @ 9 kph | 6 mph

Thursday Night: ENE @ 9 kph | 6 mph

Friday: SE @ 19 kph | 12 mph

Friday Night: SE @ 19 kph | 12 mph

Saturday: NE @ 22 kph | 14 mph

Saturday Night: NE @ 22 kph | 14 mph

Sunday: NNE @ 18 kph | 11 mph

Sunday Night: NNE @ 18 kph | 11 mph

Monday: E @ 12 kph | 8 mph

Monday Night: E @ 12 kph | 8 mph

Tuesday: SSE @ 12 kph | 8 mph

Tuesday Night: SSE @ 12 kph | 8 mph

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

Tonight: 95 %

Thursday: 93 %

Thursday Night: 93 %

Friday: 97 %

Friday Night: 97 %

Saturday: 98 %

Saturday Night: 98 %

Sunday: 97 %

Sunday Night: 97 %

Monday: 96 %

Monday Night: 96 %

Tuesday: 92 %

Tuesday Night: 92 %

7 Day and Night - Snowfall Totals Forecast for Onarga, 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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