Chestline, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 89°F 32°C Heat Index: 96°F	Observed at: Chestline, IL	Elevation: 720 ft | 219 m
	Last Updated: July 27, 8:00 PM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 89°F | 32°C
	Pressure: 28.97 in | 981.2 mb	Dewpoint: 72°F | 22°C
	Humidity: 58%	Wind: WSW 8 mph | WSW 13 kph
	Feels Like: 94°F | 34°C	Visibility: 63.4 mi | 102 km
	Lat/Long: 39.8447 | -90.9597	Sunrise: 5:58 AM   Sunset: 8:22 PM

7 Day Graphical Forecast

Valid: 11:34 AM 7/28/2026

Today Overcast 95 |78 °F 35 |25 °C 16% Chance Precipitation Tuesday Overcast 93 |75 °F 34 |24 °C 3% Chance Precipitation Wednesday Partly Cloudy 86 |67 °F 30 |20 °C 2% Chance Precipitation Thursday Overcast 89 |64 °F 32 |18 °C 3% Chance Precipitation Friday Heavy Showers 77 |62 °F 25 |17 °C 52% Chance Precipitation Saturday Thunderstorm 82 |63 °F 28 |17 °C 52% Chance Precipitation Sunday Partly Cloudy 85 |65 °F 29 |18 °C 12% Chance Precipitation

7 Hour Graphical Forecast

Valid: 11:34 AM 7/28/2026

11 AM Overcast 87 °F 3% Chance Precipitation

12 PM Overcast 90 °F 3% Chance Precipitation

1 PM Overcast 92 °F 3% Chance Precipitation

2 PM Overcast 92 °F 3% Chance Precipitation

3 PM Overcast 93 °F 2% Chance Precipitation

4 PM Overcast 92 °F 3% Chance Precipitation

5 PM Overcast 92 °F 3% Chance Precipitation

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

7 Day & Night Weather Forecast for Chestline, IL - (Fahrenheit & Celsius) Valid: 11:34 AM 7/28/2026 Today Overcast with a high near 95°F [35°C]. SW wind to around 14 mph [23 kph], with gusts to near 21 mph [33 kph]. Dewpoint near 72°F [22°C] with humidity of 93%. Pressure around 28.97 in [981.2 mb]. UV Index: 7.75. Chance of precipitation 16% with QPF of 0.00 in [0.0 mm]. Tonight Overcast with a low around 78°F [25°C]. SW wind to around 14 mph [23 kph], with gusts to near 21 mph [33 kph]. Chance of precipitation 16% with QPF of 0.00 in [0.0 mm]. Tuesday Overcast with a high near 93°F [34°C]. N wind to around 10 mph [17 kph], with gusts to near 16 mph [26 kph]. Dewpoint near 72°F [22°C] with humidity of 93%. Pressure around 28.97 in [981.2 mb]. UV Index: 7.65. Chance of precipitation 3% with QPF of 0.00 in [0.0 mm]. Tuesday Night Overcast with a low around 75°F [24°C]. N wind to around 10 mph [17 kph], with gusts to near 16 mph [26 kph]. Chance of precipitation 3% with QPF of 0.00 in [0.0 mm]. Wednesday Partly Cloudy with a high near 86°F [30°C]. ESE wind to around 10 mph [15 kph], with gusts to near 23 mph [37 kph]. Dewpoint near 72°F [22°C] with humidity of 85%. Pressure around 28.97 in [981.2 mb]. UV Index: 7.65. Chance of precipitation 2% with QPF of 0.00 in [0.0 mm]. Wednesday Night Partly Cloudy with a low around 67°F [20°C]. ESE wind to around 10 mph [15 kph], with gusts to near 23 mph [37 kph]. Chance of precipitation 2% with QPF of 0.00 in [0.0 mm]. Thursday Overcast with a high near 89°F [32°C]. SSE wind to around 11 mph [18 kph], with gusts to near 15 mph [23 kph]. Dewpoint near 72°F [22°C] with humidity of 92%. Pressure around 28.97 in [981.2 mb]. UV Index: 7.65. Chance of precipitation 3% with QPF of 0.00 in [0.0 mm]. Thursday Night Overcast with a low around 64°F [18°C]. SSE wind to around 11 mph [18 kph], with gusts to near 15 mph [23 kph]. Chance of precipitation 3% with QPF of 0.00 in [0.0 mm]. Friday Heavy Showers with a high near 77°F [25°C]. ESE wind to around 17 mph [27 kph], with gusts to near 34 mph [55 kph]. Dewpoint near 72°F [22°C] with humidity of 99%. Pressure around 28.97 in [981.2 mb]. UV Index: 0.85. Chance of precipitation 52% with QPF of 2.37 in [60.1 mm]. Friday Night Heavy Showers with a low around 62°F [17°C]. ESE wind to around 17 mph [27 kph], with gusts to near 34 mph [55 kph]. Chance of precipitation 52% with QPF of 2.37 in [60.1 mm]. Saturday Thunderstorm with a high near 82°F [28°C]. NNE wind to around 15 mph [24 kph], with gusts to near 25 mph [40 kph]. Dewpoint near 72°F [22°C] with humidity of 99%. Pressure around 28.97 in [981.2 mb]. UV Index: 7.35. Chance of precipitation 52% with QPF of 0.11 in [2.7 mm]. Saturday Night Thunderstorm with a low around 63°F [17°C]. NNE wind to around 15 mph [24 kph], with gusts to near 25 mph [40 kph]. Chance of precipitation 52% with QPF of 0.11 in [2.7 mm]. Sunday Partly Cloudy with a high near 85°F [29°C]. NNE wind to around 8 mph [12 kph], with gusts to near 25 mph [40 kph]. Dewpoint near 72°F [22°C] with humidity of 97%. Pressure around 28.97 in [981.2 mb]. UV Index: 7.4. Chance of precipitation 12% with QPF of 0.00 in [0.0 mm]. Sunday Night Partly Cloudy with a low around 65°F [18°C]. NNE wind to around 8 mph [12 kph], with gusts to near 25 mph [40 kph]. Chance of precipitation 12% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Chestline, IL

Today: 0.0 mm | 0.00 in

Tonight: 0.0 mm | 0.00 in

Tuesday: 0.0 mm | 0.00 in

Tuesday Night: 0.0 mm | 0.00 in

Wednesday: 0.0 mm | 0.00 in

Wednesday Night: 0.0 mm | 0.00 in

Thursday: 0.0 mm | 0.00 in

Thursday Night: 0.0 mm | 0.00 in

Friday: 60.1 mm | 2.37 in

Friday Night: 60.1 mm | 2.37 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

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

Today: SW @ 23 kph | 14 mph

Tonight: SW @ 23 kph | 14 mph

Tuesday: N @ 17 kph | 10 mph

Tuesday Night: N @ 17 kph | 10 mph

Wednesday: ESE @ 15 kph | 10 mph

Wednesday Night: ESE @ 15 kph | 10 mph

Thursday: SSE @ 18 kph | 11 mph

Thursday Night: SSE @ 18 kph | 11 mph

Friday: ESE @ 27 kph | 17 mph

Friday Night: ESE @ 27 kph | 17 mph

Saturday: NNE @ 24 kph | 15 mph

Saturday Night: NNE @ 24 kph | 15 mph

Sunday: NNE @ 12 kph | 8 mph

Sunday Night: NNE @ 12 kph | 8 mph

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

Today: 93 %

Tonight: 93 %

Tuesday: 93 %

Tuesday Night: 93 %

Wednesday: 85 %

Wednesday Night: 85 %

Thursday: 92 %

Thursday Night: 92 %

Friday: 99 %

Friday Night: 99 %

Saturday: 99 %

Saturday Night: 99 %

Sunday: 97 %

Sunday Night: 97 %

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

Today: 0.0 cm | 0.00 in

Tonight: 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

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

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