Carthage Lake, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 68°F 20°C	Observed at: Carthage Lake, IL	Elevation: 843 ft | 257 m
	Last Updated: July 29, 5:30 AM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 68°F | 20°C
	Pressure: 29.4 in | 995.6 mb	Dewpoint: 62°F | 17°C
	Humidity: 83%	Wind: N 2 mph | N 3 kph
	Feels Like: 71°F | 22°C	Visibility: 34.2 mi | 55.1 km
	Lat/Long: 40.7906 | -91.0753	Sunrise: 5:58 AM   Sunset: 8:23 PM

7 Day Graphical Forecast

Valid: 5:32 AM 7/29/2026

Tonight Partly Cloudy 67 °F 1% Chance Precipitation Thursday Overcast 91 |65 °F 1% Chance Precipitation Friday Showers 74 |67 °F 90% Chance Precipitation Saturday Light Drizzle 77 |64 °F 65% Chance Precipitation Sunday Light Drizzle 82 |62 °F 8% Chance Precipitation Monday Clear 83 |64 °F 5% Chance Precipitation Tuesday Clear 84 |62 °F 8% Chance Precipitation

7 Hour Graphical Forecast

Valid: 5:32 AM 7/29/2026

5 AM Clear 68 °F 0% Chance Precipitation

6 AM Clear 67 °F 1% Chance Precipitation

7 AM Clear 68 °F 1% Chance Precipitation

8 AM Clear 71 °F 0% Chance Precipitation

9 AM Clear 73 °F 0% Chance Precipitation

10 AM Clear 77 °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 Carthage Lake, IL - (Fahrenheit & Celsius) Valid: 5:32 AM 7/29/2026 Tonight Partly Cloudy with a low around 67°F [20°C]. ENE wind to around 5 mph [8 kph], with gusts to near 15 mph [25 kph]. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Thursday Overcast with a high near 91°F [33°C]. SSE wind to around 6 mph [10 kph], with gusts to near 15 mph [24 kph]. Dewpoint near 62°F [17°C] with humidity of 69%. Pressure around 29.40 in [995.6 mb]. UV Index: 6.9. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Thursday Night Overcast with a low around 65°F [18°C]. SSE wind to around 6 mph [10 kph], with gusts to near 15 mph [24 kph]. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Friday Showers with a high near 74°F [23°C]. SE wind to around 17 mph [27 kph], with gusts to near 30 mph [48 kph]. Dewpoint near 62°F [17°C] with humidity of 98%. Pressure around 29.40 in [995.6 mb]. UV Index: 4.55. Chance of precipitation 90% with QPF of 0.84 in [21.4 mm]. Friday Night Showers with a low around 67°F [19°C]. SE wind to around 17 mph [27 kph], with gusts to near 30 mph [48 kph]. Chance of precipitation 90% with QPF of 0.84 in [21.4 mm]. Saturday Light Drizzle with a high near 77°F [25°C]. NNE wind to around 14 mph [23 kph], with gusts to near 25 mph [41 kph]. Dewpoint near 62°F [17°C] with humidity of 98%. Pressure around 29.40 in [995.6 mb]. UV Index: 5.85. Chance of precipitation 65% with QPF of 0.07 in [1.8 mm]. Saturday Night Light Drizzle with a low around 64°F [18°C]. NNE wind to around 14 mph [23 kph], with gusts to near 25 mph [41 kph]. Chance of precipitation 65% with QPF of 0.07 in [1.8 mm]. Sunday Light Drizzle with a high near 82°F [28°C]. NE wind to around 7 mph [11 kph], with gusts to near 9 mph [15 kph]. Dewpoint near 62°F [17°C] with humidity of 92%. Pressure around 29.40 in [995.6 mb]. UV Index: 7.25. Chance of precipitation 8% with QPF of 0.00 in [0.1 mm]. Sunday Night Light Drizzle with a low around 62°F [17°C]. NE wind to around 7 mph [11 kph], with gusts to near 9 mph [15 kph]. Chance of precipitation 8% with QPF of 0.00 in [0.1 mm]. Monday Clear with a high near 83°F [28°C]. SE wind to around 8 mph [13 kph], with gusts to near 15 mph [23 kph]. Dewpoint near 62°F [17°C] with humidity of 94%. Pressure around 29.40 in [995.6 mb]. UV Index: 7.4. Chance of precipitation 5% with QPF of 0.00 in [0.0 mm]. Monday Night Clear with a low around 64°F [18°C]. SE wind to around 8 mph [13 kph], with gusts to near 15 mph [23 kph]. Chance of precipitation 5% with QPF of 0.00 in [0.0 mm]. Tuesday Clear with a high near 84°F [29°C]. SSE wind to around 10 mph [16 kph], with gusts to near 24 mph [38 kph]. Dewpoint near 62°F [17°C] with humidity of 96%. Pressure around 29.40 in [995.6 mb]. UV Index: 7.35. Chance of precipitation 8% with QPF of 0.00 in [0.0 mm]. Tuesday Night Clear with a low around 62°F [17°C]. SSE wind to around 10 mph [16 kph], with gusts to near 24 mph [38 kph]. Chance of precipitation 8% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Carthage Lake, IL

Tonight: 0.0 mm | 0.00 in

Thursday: 0.0 mm | 0.00 in

Thursday Night: 0.0 mm | 0.00 in

Friday: 21.4 mm | 0.84 in

Friday Night: 21.4 mm | 0.84 in

Saturday: 1.8 mm | 0.07 in

Saturday Night: 1.8 mm | 0.07 in

Sunday: 0.1 mm | 0.00 in

Sunday Night: 0.1 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 Carthage Lake, IL

Tonight: ENE @ 8 kph | 5 mph

Thursday: SSE @ 10 kph | 6 mph

Thursday Night: SSE @ 10 kph | 6 mph

Friday: SE @ 27 kph | 17 mph

Friday Night: SE @ 27 kph | 17 mph

Saturday: NNE @ 23 kph | 14 mph

Saturday Night: NNE @ 23 kph | 14 mph

Sunday: NE @ 11 kph | 7 mph

Sunday Night: NE @ 11 kph | 7 mph

Monday: SE @ 13 kph | 8 mph

Monday Night: SE @ 13 kph | 8 mph

Tuesday: SSE @ 16 kph | 10 mph

Tuesday Night: SSE @ 16 kph | 10 mph

7 Day and Night - Maximum Humidity Forecast for Carthage Lake, IL

Tonight: 91 %

Thursday: 69 %

Thursday Night: 69 %

Friday: 98 %

Friday Night: 98 %

Saturday: 98 %

Saturday Night: 98 %

Sunday: 92 %

Sunday Night: 92 %

Monday: 94 %

Monday Night: 94 %

Tuesday: 96 %

Tuesday Night: 96 %

7 Day and Night - Snowfall Totals Forecast for Carthage Lake, 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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