Madison, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Partly Cloudy 78°F 26°C Heat Index: 78°F	Observed at: Madison, IL	Elevation: 569 ft | 173 m
	Last Updated: July 16, 10:15 PM Timezone: GMT -5/-4
	Sky Conditions: Partly Cloudy	Temperature: 78°F | 26°C
	Pressure: 29.57 in | 1001.5 mb	Dewpoint: 75°F | 24°C
	Humidity: 91%	Wind: W 3 mph | W 5 kph
	Feels Like: 88°F | 31°C	Visibility: 27.9 mi | 44.9 km
	Lat/Long: 38.6825 | -90.1569	Sunrise: 5:49 AM   Sunset: 8:24 PM

7 Day Graphical Forecast

Valid: 10:16 PM 7/16/2026

Tonight Heavy Showers 77 °F 39% Chance Precipitation Friday Overcast 94 |74 °F 13% Chance Precipitation Saturday Mostly Clear 98 |76 °F 34% Chance Precipitation Sunday Thunderstorm 92 |74 °F 34% Chance Precipitation Monday Showers 99 |72 °F 6% Chance Precipitation Tuesday Overcast 99 |69 °F 5% Chance Precipitation Wednesday Overcast 74 |62 °F 4% Chance Precipitation

7 Hour Graphical Forecast

Valid: 10:16 PM 7/16/2026

10 PM Partly Cloudy 78 °F 6% Chance Precipitation

11 PM Overcast 77 °F 4% Chance Precipitation

12 AM Overcast 77 °F 3% Chance Precipitation

1 AM Overcast 76 °F 2% Chance Precipitation

2 AM Overcast 76 °F 3% Chance Precipitation

3 AM Partly Cloudy 75 °F 5% Chance Precipitation

4 AM Mostly Clear 75 °F 7% Chance Precipitation

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

7 Day & Night Weather Forecast for Madison, IL - (Fahrenheit & Celsius) Valid: 10:16 PM 7/16/2026 Tonight Heavy Showers with a low around 77°F [25°C]. WNW wind to around 7 mph [11 kph], with gusts to near 14 mph [23 kph]. Chance of precipitation 39% with QPF of 1.79 in [45.4 mm]. Friday Overcast with a high near 94°F [35°C]. W wind to around 11 mph [18 kph], with gusts to near 16 mph [26 kph]. Dewpoint near 75°F [24°C] with humidity of 95%. Pressure around 29.57 in [1001.5 mb]. UV Index: 7.75. Chance of precipitation 13% with QPF of 0.00 in [0.0 mm]. Friday Night Overcast with a low around 74°F [24°C]. W wind to around 11 mph [18 kph], with gusts to near 16 mph [26 kph]. Chance of precipitation 13% with QPF of 0.00 in [0.0 mm]. Saturday Mostly Clear with a high near 98°F [36°C]. W wind to around 13 mph [21 kph], with gusts to near 23 mph [37 kph]. Dewpoint near 75°F [24°C] with humidity of 82%. Pressure around 29.57 in [1001.5 mb]. UV Index: 7.85. Chance of precipitation 34% with QPF of 0.00 in [0.0 mm]. Saturday Night Mostly Clear with a low around 76°F [24°C]. W wind to around 13 mph [21 kph], with gusts to near 23 mph [37 kph]. Chance of precipitation 34% with QPF of 0.00 in [0.0 mm]. Sunday Thunderstorm with a high near 92°F [33°C]. N wind to around 9 mph [15 kph], with gusts to near 21 mph [33 kph]. Dewpoint near 75°F [24°C] with humidity of 96%. Pressure around 29.57 in [1001.5 mb]. UV Index: 7.85. Chance of precipitation 34% with QPF of 0.48 in [12.1 mm]. Sunday Night Thunderstorm with a low around 74°F [23°C]. N wind to around 9 mph [15 kph], with gusts to near 21 mph [33 kph]. Chance of precipitation 34% with QPF of 0.48 in [12.1 mm]. Monday Showers with a high near 99°F [37°C]. SSE wind to around 7 mph [11 kph], with gusts to near 17 mph [28 kph]. Dewpoint near 75°F [24°C] with humidity of 97%. Pressure around 29.57 in [1001.5 mb]. UV Index: 7.65. Chance of precipitation 6% with QPF of 0.19 in [4.8 mm]. Monday Night Showers with a low around 72°F [22°C]. SSE wind to around 7 mph [11 kph], with gusts to near 17 mph [28 kph]. Chance of precipitation 6% with QPF of 0.19 in [4.8 mm]. Tuesday Overcast with a high near 99°F [37°C]. WNW wind to around 17 mph [28 kph], with gusts to near 33 mph [54 kph]. Dewpoint near 75°F [24°C] with humidity of 74%. Pressure around 29.57 in [1001.5 mb]. UV Index: 7.6. Chance of precipitation 5% with QPF of 0.00 in [0.0 mm]. Tuesday Night Overcast with a low around 69°F [21°C]. WNW wind to around 17 mph [28 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 74°F [23°C]. NNE wind to around 10 mph [16 kph], with gusts to near 26 mph [42 kph]. Dewpoint near 75°F [24°C] with humidity of 81%. Pressure around 29.57 in [1001.5 mb]. UV Index: 7.25. Chance of precipitation 4% with QPF of 0.00 in [0.0 mm]. Wednesday Night Overcast with a low around 62°F [17°C]. NNE wind to around 10 mph [16 kph], with gusts to near 26 mph [42 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 Madison, IL

Tonight: 45.4 mm | 1.79 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: 4.8 mm | 0.19 in

Monday Night: 4.8 mm | 0.19 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 Madison, IL

Tonight: WNW @ 11 kph | 7 mph

Friday: W @ 18 kph | 11 mph

Friday Night: W @ 18 kph | 11 mph

Saturday: W @ 21 kph | 13 mph

Saturday Night: W @ 21 kph | 13 mph

Sunday: N @ 15 kph | 9 mph

Sunday Night: N @ 15 kph | 9 mph

Monday: SSE @ 11 kph | 7 mph

Monday Night: SSE @ 11 kph | 7 mph

Tuesday: WNW @ 28 kph | 17 mph

Tuesday Night: WNW @ 28 kph | 17 mph

Wednesday: NNE @ 16 kph | 10 mph

Wednesday Night: NNE @ 16 kph | 10 mph

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

Tonight: 100 %

Friday: 95 %

Friday Night: 95 %

Saturday: 82 %

Saturday Night: 82 %

Sunday: 96 %

Sunday Night: 96 %

Monday: 97 %

Monday Night: 97 %

Tuesday: 74 %

Tuesday Night: 74 %

Wednesday: 81 %

Wednesday Night: 81 %

7 Day and Night - Snowfall Totals Forecast for Madison, 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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