Pontiac, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Overcast 79°F 26°C Heat Index: 79°F	Observed at: Pontiac, IL	Elevation: 630 ft | 192 m
	Last Updated: July 16, 10:15 PM Timezone: GMT -5/-4
	Sky Conditions: Overcast	Temperature: 79°F | 26°C
	Pressure: 29.41 in | 995.9 mb	Dewpoint: 75°F | 24°C
	Humidity: 86%	Wind: SW 5 mph | SW 8 kph
	Feels Like: 88°F | 31°C	Visibility: 31.6 mi | 50.9 km
	Lat/Long: 38.5872 | -89.9847	Sunrise: 5:48 AM   Sunset: 8:23 PM

7 Day Graphical Forecast

Valid: 10:23 PM 7/16/2026

Tonight Heavy Drizzle 76 °F 40% Chance Precipitation Friday Overcast 92 |74 °F 14% Chance Precipitation Saturday Mostly Clear 95 |77 °F 35% Chance Precipitation Sunday Thunderstorm with Hail 92 |73 °F 35% Chance Precipitation Monday Light Showers 97 |71 °F 6% Chance Precipitation Tuesday Overcast 99 |68 °F 5% Chance Precipitation Wednesday Overcast 73 |61 °F 5% Chance Precipitation

7 Hour Graphical Forecast

Valid: 10:23 PM 7/16/2026

10 PM Overcast 79 °F 10% Chance Precipitation

11 PM Overcast 78 °F 5% Chance Precipitation

12 AM Overcast 78 °F 3% Chance Precipitation

1 AM Overcast 77 °F 3% Chance Precipitation

2 AM Partly Cloudy 76 °F 3% Chance Precipitation

3 AM Clear 75 °F 3% Chance Precipitation

4 AM Clear 75 °F 7% Chance Precipitation

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

7 Day & Night Weather Forecast for Pontiac, IL - (Fahrenheit & Celsius) Valid: 10:23 PM 7/16/2026 Tonight Heavy Drizzle with a low around 76°F [24°C]. W wind to around 8 mph [13 kph], with gusts to near 11 mph [17 kph]. Chance of precipitation 40% with QPF of 0.04 in [1.1 mm]. Friday Overcast with a high near 92°F [33°C]. W wind to around 10 mph [16 kph], with gusts to near 17 mph [28 kph]. Dewpoint near 75°F [24°C] with humidity of 96%. Pressure around 29.41 in [995.9 mb]. UV Index: 7.7. Chance of precipitation 14% with QPF of 0.00 in [0.0 mm]. Friday Night Overcast with a low around 74°F [23°C]. W wind to around 10 mph [16 kph], with gusts to near 17 mph [28 kph]. Chance of precipitation 14% with QPF of 0.00 in [0.0 mm]. Saturday Mostly Clear with a high near 95°F [35°C]. W wind to around 14 mph [23 kph], with gusts to near 23 mph [37 kph]. Dewpoint near 75°F [24°C] with humidity of 73%. Pressure around 29.41 in [995.9 mb]. UV Index: 7.85. Chance of precipitation 35% with QPF of 0.00 in [0.0 mm]. Saturday Night Mostly Clear with a low around 77°F [25°C]. W wind to around 14 mph [23 kph], with gusts to near 23 mph [37 kph]. Chance of precipitation 35% with QPF of 0.00 in [0.0 mm]. Sunday Thunderstorm with Hail with a high near 92°F [33°C]. NNE wind to around 10 mph [16 kph], with gusts to near 18 mph [29 kph]. Dewpoint near 75°F [24°C] with humidity of 96%. Pressure around 29.41 in [995.9 mb]. UV Index: 7.85. Chance of precipitation 35% with QPF of 0.48 in [12.1 mm]. Sunday Night Thunderstorm with Hail with a low around 73°F [23°C]. NNE wind to around 10 mph [16 kph], with gusts to near 18 mph [29 kph]. Chance of precipitation 35% with QPF of 0.48 in [12.1 mm]. Monday Light Showers with a high near 97°F [36°C]. SSE wind to around 10 mph [16 kph], with gusts to near 24 mph [39 kph]. Dewpoint near 75°F [24°C] with humidity of 97%. Pressure around 29.41 in [995.9 mb]. UV Index: 7.45. Chance of precipitation 6% with QPF of 0.06 in [1.6 mm]. Monday Night Light Showers with a low around 71°F [22°C]. SSE wind to around 10 mph [16 kph], with gusts to near 24 mph [39 kph]. Chance of precipitation 6% with QPF of 0.06 in [1.6 mm]. Tuesday Overcast with a high near 99°F [37°C]. WNW wind to around 20 mph [32 kph], with gusts to near 33 mph [54 kph]. Dewpoint near 75°F [24°C] with humidity of 82%. Pressure around 29.41 in [995.9 mb]. UV Index: 7.55. Chance of precipitation 5% with QPF of 0.00 in [0.0 mm]. Tuesday Night Overcast with a low around 68°F [20°C]. WNW wind to around 20 mph [32 kph], with gusts to near 33 mph [54 kph]. Chance of precipitation 5% with QPF of 0.00 in [0.0 mm]. Wednesday Overcast with a high near 73°F [23°C]. NNE wind to around 12 mph [19 kph], with gusts to near 28 mph [45 kph]. Dewpoint near 75°F [24°C] with humidity of 87%. Pressure around 29.41 in [995.9 mb]. UV Index: 7.3. Chance of precipitation 5% with QPF of 0.00 in [0.0 mm]. Wednesday Night Overcast with a low around 61°F [16°C]. NNE wind to around 12 mph [19 kph], with gusts to near 28 mph [45 kph]. Chance of precipitation 5% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Pontiac, IL

Tonight: 1.1 mm | 0.04 in

Friday: 0.0 mm | 0.00 in

Friday Night: 0.0 mm | 0.00 in

Saturday: 0.0 mm | 0.00 in

Saturday Night: 0.0 mm | 0.00 in

Sunday: 12.1 mm | 0.48 in

Sunday Night: 12.1 mm | 0.48 in

Monday: 1.6 mm | 0.06 in

Monday Night: 1.6 mm | 0.06 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

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

Tonight: W @ 13 kph | 8 mph

Friday: W @ 16 kph | 10 mph

Friday Night: W @ 16 kph | 10 mph

Saturday: W @ 23 kph | 14 mph

Saturday Night: W @ 23 kph | 14 mph

Sunday: NNE @ 16 kph | 10 mph

Sunday Night: NNE @ 16 kph | 10 mph

Monday: SSE @ 16 kph | 10 mph

Monday Night: SSE @ 16 kph | 10 mph

Tuesday: WNW @ 32 kph | 20 mph

Tuesday Night: WNW @ 32 kph | 20 mph

Wednesday: NNE @ 19 kph | 12 mph

Wednesday Night: NNE @ 19 kph | 12 mph

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

Tonight: 94 %

Friday: 96 %

Friday Night: 96 %

Saturday: 73 %

Saturday Night: 73 %

Sunday: 96 %

Sunday Night: 96 %

Monday: 97 %

Monday Night: 97 %

Tuesday: 82 %

Tuesday Night: 82 %

Wednesday: 87 %

Wednesday Night: 87 %

7 Day and Night - Snowfall Totals Forecast for Pontiac, 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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