Pontoosuc, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 78°F 26°C Heat Index: 78°F	Observed at: Pontoosuc, IL	Elevation: 822 ft | 251 m
	Last Updated: July 16, 10:30 PM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 78°F | 26°C
	Pressure: 29.42 in | 996.4 mb	Dewpoint: 71°F | 22°C
	Humidity: 79%	Wind: SE 5 mph | SE 8 kph
	Feels Like: 84°F | 29°C	Visibility: 35.1 mi | 56.4 km
	Lat/Long: 40.6289 | -91.2053	Sunrise: 5:47 AM   Sunset: 8:33 PM

7 Day Graphical Forecast

Valid: 10:33 PM 7/16/2026

Tonight Partly Cloudy 71 °F 3% Chance Precipitation Friday Partly Cloudy 95 |72 °F 21% Chance Precipitation Saturday Light Drizzle 97 |75 °F 16% Chance Precipitation Sunday Light Drizzle 85 |70 °F 12% Chance Precipitation Monday Drizzle 93 |71 °F 17% Chance Precipitation Tuesday Light Drizzle 85 |67 °F 17% Chance Precipitation Wednesday Overcast 71 |52 °F 4% Chance Precipitation

7 Hour Graphical Forecast

Valid: 10:33 PM 7/16/2026

10 PM Clear 80 °F 1% Chance Precipitation

11 PM Clear 78 °F 1% Chance Precipitation

12 AM Clear 77 °F 2% Chance Precipitation

1 AM Clear 76 °F 3% Chance Precipitation

2 AM Clear 75 °F 4% Chance Precipitation

3 AM Clear 74 °F 5% Chance Precipitation

4 AM Clear 74 °F 6% Chance Precipitation

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

7 Day & Night Weather Forecast for Pontoosuc, IL - (Fahrenheit & Celsius) Valid: 10:33 PM 7/16/2026 Tonight Partly Cloudy with a low around 71°F [22°C]. S wind to around 6 mph [9 kph], with gusts to near 10 mph [15 kph]. Chance of precipitation 3% with QPF of 0.00 in [0.0 mm]. Friday Partly Cloudy with a high near 95°F [35°C]. SW wind to around 13 mph [21 kph], with gusts to near 17 mph [27 kph]. Dewpoint near 71°F [22°C] with humidity of 95%. Pressure around 29.42 in [996.4 mb]. UV Index: 7.65. Chance of precipitation 21% with QPF of 0.00 in [0.0 mm]. Friday Night Partly Cloudy with a low around 72°F [22°C]. SW wind to around 13 mph [21 kph], with gusts to near 17 mph [27 kph]. Chance of precipitation 21% with QPF of 0.00 in [0.0 mm]. Saturday Light Drizzle with a high near 97°F [36°C]. WNW wind to around 14 mph [22 kph], with gusts to near 25 mph [40 kph]. Dewpoint near 71°F [22°C] with humidity of 94%. Pressure around 29.42 in [996.4 mb]. UV Index: 7.75. Chance of precipitation 16% with QPF of 0.04 in [1.0 mm]. Saturday Night Light Drizzle with a low around 75°F [24°C]. WNW wind to around 14 mph [22 kph], with gusts to near 25 mph [40 kph]. Chance of precipitation 16% with QPF of 0.04 in [1.0 mm]. Sunday Light Drizzle with a high near 85°F [30°C]. E wind to around 10 mph [16 kph], with gusts to near 21 mph [33 kph]. Dewpoint near 71°F [22°C] with humidity of 93%. Pressure around 29.42 in [996.4 mb]. UV Index: 7.15. Chance of precipitation 12% with QPF of 0.00 in [0.1 mm]. Sunday Night Light Drizzle with a low around 70°F [21°C]. E wind to around 10 mph [16 kph], with gusts to near 21 mph [33 kph]. Chance of precipitation 12% with QPF of 0.00 in [0.1 mm]. Monday Drizzle with a high near 93°F [34°C]. S wind to around 11 mph [18 kph], with gusts to near 32 mph [51 kph]. Dewpoint near 71°F [22°C] with humidity of 97%. Pressure around 29.42 in [996.4 mb]. UV Index: 7.8. Chance of precipitation 17% with QPF of 0.13 in [3.2 mm]. Monday Night Drizzle with a low around 71°F [22°C]. S wind to around 11 mph [18 kph], with gusts to near 32 mph [51 kph]. Chance of precipitation 17% with QPF of 0.13 in [3.2 mm]. Tuesday Light Drizzle with a high near 85°F [30°C]. NW wind to around 18 mph [29 kph], with gusts to near 39 mph [63 kph]. Dewpoint near 71°F [22°C] with humidity of 82%. Pressure around 29.42 in [996.4 mb]. UV Index: 7.1. Chance of precipitation 17% with QPF of 0.01 in [0.2 mm]. Tuesday Night Light Drizzle with a low around 67°F [19°C]. NW wind to around 18 mph [29 kph], with gusts to near 39 mph [63 kph]. Chance of precipitation 17% with QPF of 0.01 in [0.2 mm]. Wednesday Overcast with a high near 71°F [22°C]. NNE wind to around 12 mph [19 kph], with gusts to near 27 mph [43 kph]. Dewpoint near 71°F [22°C] with humidity of 92%. Pressure around 29.42 in [996.4 mb]. UV Index: 7.6. Chance of precipitation 4% with QPF of 0.00 in [0.0 mm]. Wednesday Night Overcast with a low around 52°F [11°C]. NNE wind to around 12 mph [19 kph], with gusts to near 27 mph [43 kph]. Chance of precipitation 4% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Pontoosuc, IL

Tonight: 0.0 mm | 0.00 in

Friday: 0.0 mm | 0.00 in

Friday Night: 0.0 mm | 0.00 in

Saturday: 1.0 mm | 0.04 in

Saturday Night: 1.0 mm | 0.04 in

Sunday: 0.1 mm | 0.00 in

Sunday Night: 0.1 mm | 0.00 in

Monday: 3.2 mm | 0.13 in

Monday Night: 3.2 mm | 0.13 in

Tuesday: 0.2 mm | 0.01 in

Tuesday Night: 0.2 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 Pontoosuc, IL

Tonight: S @ 9 kph | 6 mph

Friday: SW @ 21 kph | 13 mph

Friday Night: SW @ 21 kph | 13 mph

Saturday: WNW @ 22 kph | 14 mph

Saturday Night: WNW @ 22 kph | 14 mph

Sunday: E @ 16 kph | 10 mph

Sunday Night: E @ 16 kph | 10 mph

Monday: S @ 18 kph | 11 mph

Monday Night: S @ 18 kph | 11 mph

Tuesday: NW @ 29 kph | 18 mph

Tuesday Night: NW @ 29 kph | 18 mph

Wednesday: NNE @ 19 kph | 12 mph

Wednesday Night: NNE @ 19 kph | 12 mph

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

Tonight: 98 %

Friday: 95 %

Friday Night: 95 %

Saturday: 94 %

Saturday Night: 94 %

Sunday: 93 %

Sunday Night: 93 %

Monday: 97 %

Monday Night: 97 %

Tuesday: 82 %

Tuesday Night: 82 %

Wednesday: 92 %

Wednesday Night: 92 %

7 Day and Night - Snowfall Totals Forecast for Pontoosuc, 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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