Prairie du Rocher, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 76°F 24°C Heat Index: 76°F	Observed at: Prairie du Rocher, IL	Elevation: 491 ft | 150 m
	Last Updated: July 17, 1:15 AM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 76°F | 24°C
	Pressure: 29.59 in | 1002.1 mb	Dewpoint: 73°F | 23°C
	Humidity: 91%	Wind: WNW 4 mph | WNW 6 kph
	Feels Like: 84°F | 29°C	Visibility: 27.9 mi | 44.9 km
	Lat/Long: 38.0831 | -90.0958	Sunrise: 5:51 AM   Sunset: 8:21 PM

7 Day Graphical Forecast

Valid: 1:17 AM 7/17/2026

Tonight Partly Cloudy 73 °F 13% Chance Precipitation Saturday Light Showers 94 |76 °F 30% Chance Precipitation Sunday Light Showers 96 |72 °F 30% Chance Precipitation Monday Drizzle 100 |74 °F 9% Chance Precipitation Tuesday Light Drizzle 98 |71 °F 2% Chance Precipitation Wednesday Overcast 80 |63 °F 2% Chance Precipitation Thursday Overcast 80 |59 °F 4% Chance Precipitation

7 Hour Graphical Forecast

Valid: 1:17 AM 7/17/2026

1 AM Clear 75 °F 1% Chance Precipitation

2 AM Clear 75 °F 2% Chance Precipitation

3 AM Clear 75 °F 4% Chance Precipitation

4 AM Clear 74 °F 5% Chance Precipitation

5 AM Clear 74 °F 3% Chance Precipitation

6 AM Clear 73 °F 4% Chance Precipitation

7 AM Clear 75 °F 8% Chance Precipitation

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

7 Day & Night Weather Forecast for Prairie du Rocher, IL - (Fahrenheit & Celsius) Valid: 1:17 AM 7/17/2026 Tonight Partly Cloudy with a low around 73°F [23°C]. W wind to around 11 mph [17 kph], with gusts to near 15 mph [25 kph]. Chance of precipitation 13% with QPF of 0.00 in [0.0 mm]. Saturday Light Showers with a high near 94°F [34°C]. W wind to around 15 mph [23 kph], with gusts to near 23 mph [37 kph]. Dewpoint near 73°F [23°C] with humidity of 85%. Pressure around 29.59 in [1002.1 mb]. UV Index: 7.85. Chance of precipitation 30% with QPF of 0.09 in [2.3 mm]. Saturday Night Light Showers with a low around 76°F [24°C]. W wind to around 15 mph [23 kph], with gusts to near 23 mph [37 kph]. Chance of precipitation 30% with QPF of 0.09 in [2.3 mm]. Sunday Light Showers with a high near 96°F [36°C]. NNW wind to around 9 mph [15 kph], with gusts to near 14 mph [23 kph]. Dewpoint near 73°F [23°C] with humidity of 94%. Pressure around 29.59 in [1002.1 mb]. UV Index: 7.85. Chance of precipitation 30% with QPF of 0.08 in [2.0 mm]. Sunday Night Light Showers with a low around 72°F [22°C]. NNW wind to around 9 mph [15 kph], with gusts to near 14 mph [23 kph]. Chance of precipitation 30% with QPF of 0.08 in [2.0 mm]. Monday Drizzle with a high near 100°F [38°C]. SSE wind to around 11 mph [17 kph], with gusts to near 20 mph [31 kph]. Dewpoint near 73°F [23°C] with humidity of 94%. Pressure around 29.59 in [1002.1 mb]. UV Index: 7.8. Chance of precipitation 9% with QPF of 0.03 in [0.8 mm]. Monday Night Drizzle with a low around 74°F [24°C]. SSE wind to around 11 mph [17 kph], with gusts to near 20 mph [31 kph]. Chance of precipitation 9% with QPF of 0.03 in [0.8 mm]. Tuesday Light Drizzle with a high near 98°F [36°C]. NW wind to around 15 mph [25 kph], with gusts to near 30 mph [48 kph]. Dewpoint near 73°F [23°C] with humidity of 82%. Pressure around 29.59 in [1002.1 mb]. UV Index: 7.9. Chance of precipitation 2% with QPF of 0.01 in [0.2 mm]. Tuesday Night Light Drizzle with a low around 71°F [21°C]. NW wind to around 15 mph [25 kph], with gusts to near 30 mph [48 kph]. Chance of precipitation 2% with QPF of 0.01 in [0.2 mm]. Wednesday Overcast with a high near 80°F [26°C]. N wind to around 11 mph [18 kph], with gusts to near 26 mph [42 kph]. Dewpoint near 73°F [23°C] with humidity of 85%. Pressure around 29.59 in [1002.1 mb]. UV Index: 7.15. Chance of precipitation 2% with QPF of 0.00 in [0.0 mm]. Wednesday Night Overcast with a low around 63°F [17°C]. N wind to around 11 mph [18 kph], with gusts to near 26 mph [42 kph]. Chance of precipitation 2% with QPF of 0.00 in [0.0 mm]. Thursday Overcast with a high near 80°F [26°C]. NNE wind to around 8 mph [12 kph], with gusts to near 14 mph [22 kph]. Dewpoint near 73°F [23°C] with humidity of 92%. Pressure around 29.59 in [1002.1 mb]. UV Index: 7.55. Chance of precipitation 4% with QPF of 0.00 in [0.0 mm]. Thursday Night Overcast with a low around 59°F [15°C]. NNE wind to around 8 mph [12 kph], with gusts to near 14 mph [22 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 Prairie du Rocher, IL

Tonight: 0.0 mm | 0.00 in

Saturday: 2.3 mm | 0.09 in

Saturday Night: 2.3 mm | 0.09 in

Sunday: 2.0 mm | 0.08 in

Sunday Night: 2.0 mm | 0.08 in

Monday: 0.8 mm | 0.03 in

Monday Night: 0.8 mm | 0.03 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

Thursday: 0.0 mm | 0.00 in

Thursday Night: 0.0 mm | 0.00 in

7 Day and Night - Maximum Wind Speed Forecast for Prairie du Rocher, IL

Tonight: W @ 17 kph | 11 mph

Saturday: W @ 23 kph | 15 mph

Saturday Night: W @ 23 kph | 15 mph

Sunday: NNW @ 15 kph | 9 mph

Sunday Night: NNW @ 15 kph | 9 mph

Monday: SSE @ 17 kph | 11 mph

Monday Night: SSE @ 17 kph | 11 mph

Tuesday: NW @ 25 kph | 15 mph

Tuesday Night: NW @ 25 kph | 15 mph

Wednesday: N @ 18 kph | 11 mph

Wednesday Night: N @ 18 kph | 11 mph

Thursday: NNE @ 12 kph | 8 mph

Thursday Night: NNE @ 12 kph | 8 mph

7 Day and Night - Maximum Humidity Forecast for Prairie du Rocher, IL

Tonight: 92 %

Saturday: 85 %

Saturday Night: 85 %

Sunday: 94 %

Sunday Night: 94 %

Monday: 94 %

Monday Night: 94 %

Tuesday: 82 %

Tuesday Night: 82 %

Wednesday: 85 %

Wednesday Night: 85 %

Thursday: 92 %

Thursday Night: 92 %

7 Day and Night - Snowfall Totals Forecast for Prairie du Rocher, IL

Tonight: 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

Thursday: 0.0 cm | 0.00 in

Thursday Night: 0.0 cm | 0.00 in

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