Louisville, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Mostly Clear 77°F 25°C Heat Index: 77°F	Observed at: Louisville, IL	Elevation: 580 ft | 177 m
	Last Updated: July 16, 10:30 PM Timezone: GMT -5/-4
	Sky Conditions: Mostly Clear	Temperature: 77°F | 25°C
	Pressure: 29.53 in | 1000 mb	Dewpoint: 74°F | 23°C
	Humidity: 91%	Wind: SE 4 mph | SE 6 kph
	Feels Like: 86°F | 30°C	Visibility: 26.3 mi | 42.3 km
	Lat/Long: 38.7722 | -88.5025	Sunrise: 5:42 AM   Sunset: 8:17 PM

7 Day Graphical Forecast

Valid: 10:33 PM 7/16/2026

Tonight Overcast 74 °F 35% Chance Precipitation Friday Overcast 89 |73 °F 20% Chance Precipitation Saturday Mostly Clear 93 |75 °F 45% Chance Precipitation Sunday Light Showers 86 |72 °F 41% Chance Precipitation Monday Light Drizzle 90 |68 °F 5% Chance Precipitation Tuesday Overcast 93 |68 °F 8% Chance Precipitation Wednesday Mostly Clear 74 |60 °F 4% Chance Precipitation

7 Hour Graphical Forecast

Valid: 10:33 PM 7/16/2026

10 PM Clear 78 °F 2% Chance Precipitation

11 PM Overcast 77 °F 3% Chance Precipitation

12 AM Overcast 76 °F 3% Chance Precipitation

1 AM Partly Cloudy 75 °F 3% Chance Precipitation

2 AM Clear 75 °F 3% Chance Precipitation

3 AM Clear 75 °F 3% Chance Precipitation

4 AM Overcast 74 °F 3% Chance Precipitation

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

7 Day & Night Weather Forecast for Louisville, IL - (Fahrenheit & Celsius) Valid: 10:33 PM 7/16/2026 Tonight Overcast with a low around 74°F [23°C]. E wind to around 12 mph [19 kph], with gusts to near 15 mph [23 kph]. Chance of precipitation 35% with QPF of 0.00 in [0.0 mm]. Friday Overcast with a high near 89°F [32°C]. WSW wind to around 10 mph [16 kph], with gusts to near 15 mph [24 kph]. Dewpoint near 74°F [23°C] with humidity of 97%. Pressure around 29.53 in [1000 mb]. UV Index: 7.75. Chance of precipitation 20% with QPF of 0.00 in [0.0 mm]. Friday Night Overcast with a low around 73°F [23°C]. WSW wind to around 10 mph [16 kph], with gusts to near 15 mph [24 kph]. Chance of precipitation 20% with QPF of 0.00 in [0.0 mm]. Saturday Mostly Clear with a high near 93°F [34°C]. W wind to around 14 mph [23 kph], with gusts to near 26 mph [41 kph]. Dewpoint near 74°F [23°C] with humidity of 88%. Pressure around 29.53 in [1000 mb]. UV Index: 7.8. Chance of precipitation 45% with QPF of 0.02 in [0.4 mm]. Saturday Night Mostly Clear with a low around 75°F [24°C]. W wind to around 14 mph [23 kph], with gusts to near 26 mph [41 kph]. Chance of precipitation 45% with QPF of 0.02 in [0.4 mm]. Sunday Light Showers with a high near 86°F [30°C]. NE wind to around 8 mph [13 kph], with gusts to near 17 mph [27 kph]. Dewpoint near 74°F [23°C] with humidity of 97%. Pressure around 29.53 in [1000 mb]. UV Index: 7.75. Chance of precipitation 41% with QPF of 0.24 in [6.0 mm]. Sunday Night Light Showers with a low around 72°F [22°C]. NE wind to around 8 mph [13 kph], with gusts to near 17 mph [27 kph]. Chance of precipitation 41% with QPF of 0.24 in [6.0 mm]. Monday Light Drizzle with a high near 90°F [32°C]. SSE wind to around 8 mph [13 kph], with gusts to near 18 mph [29 kph]. Dewpoint near 74°F [23°C] with humidity of 90%. Pressure around 29.53 in [1000 mb]. UV Index: 6.4. Chance of precipitation 5% with QPF of 0.01 in [0.3 mm]. Monday Night Light Drizzle with a low around 68°F [20°C]. SSE wind to around 8 mph [13 kph], with gusts to near 18 mph [29 kph]. Chance of precipitation 5% with QPF of 0.01 in [0.3 mm]. Tuesday Overcast with a high near 93°F [34°C]. W wind to around 21 mph [33 kph], with gusts to near 32 mph [51 kph]. Dewpoint near 74°F [23°C] with humidity of 88%. Pressure around 29.53 in [1000 mb]. UV Index: 7.35. Chance of precipitation 8% with QPF of 0.00 in [0.0 mm]. Tuesday Night Overcast with a low around 68°F [20°C]. W wind to around 21 mph [33 kph], with gusts to near 32 mph [51 kph]. Chance of precipitation 8% with QPF of 0.00 in [0.0 mm]. Wednesday Mostly Clear with a high near 74°F [23°C]. NNE wind to around 12 mph [19 kph], with gusts to near 28 mph [46 kph]. Dewpoint near 74°F [23°C] with humidity of 88%. Pressure around 29.53 in [1000 mb]. UV Index: 7.65. Chance of precipitation 4% with QPF of 0.00 in [0.0 mm]. Wednesday Night Mostly Clear with a low around 60°F [15°C]. NNE wind to around 12 mph [19 kph], with gusts to near 28 mph [46 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 Louisville, IL

Tonight: 0.0 mm | 0.00 in

Friday: 0.0 mm | 0.00 in

Friday Night: 0.0 mm | 0.00 in

Saturday: 0.4 mm | 0.02 in

Saturday Night: 0.4 mm | 0.02 in

Sunday: 6.0 mm | 0.24 in

Sunday Night: 6.0 mm | 0.24 in

Monday: 0.3 mm | 0.01 in

Monday Night: 0.3 mm | 0.01 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 Louisville, IL

Tonight: E @ 19 kph | 12 mph

Friday: WSW @ 16 kph | 10 mph

Friday Night: WSW @ 16 kph | 10 mph

Saturday: W @ 23 kph | 14 mph

Saturday Night: W @ 23 kph | 14 mph

Sunday: NE @ 13 kph | 8 mph

Sunday Night: NE @ 13 kph | 8 mph

Monday: SSE @ 13 kph | 8 mph

Monday Night: SSE @ 13 kph | 8 mph

Tuesday: W @ 33 kph | 21 mph

Tuesday Night: W @ 33 kph | 21 mph

Wednesday: NNE @ 19 kph | 12 mph

Wednesday Night: NNE @ 19 kph | 12 mph

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

Tonight: 100 %

Friday: 97 %

Friday Night: 97 %

Saturday: 88 %

Saturday Night: 88 %

Sunday: 97 %

Sunday Night: 97 %

Monday: 90 %

Monday Night: 90 %

Tuesday: 88 %

Tuesday Night: 88 %

Wednesday: 88 %

Wednesday Night: 88 %

7 Day and Night - Snowfall Totals Forecast for Louisville, 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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