Mascoutah, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 71°F 22°C Heat Index: 71°F	Observed at: Mascoutah, IL	Elevation: 544 ft | 166 m
	Last Updated: July 29, 5:15 AM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 71°F | 22°C
	Pressure: 29.45 in | 997.4 mb	Dewpoint: 64°F | 18°C
	Humidity: 80%	Wind: N 4 mph | N 6 kph
	Feels Like: 74°F | 23°C	Visibility: 35.5 mi | 57.1 km
	Lat/Long: 38.4903 | -89.7931	Sunrise: 5:58 AM   Sunset: 8:12 PM

7 Day Graphical Forecast

Valid: 5:26 AM 7/29/2026

Tonight Clear 69 °F 1% Chance Precipitation Thursday Overcast 88 |66 °F 0% Chance Precipitation Friday Light Showers 80 |65 °F 65% Chance Precipitation Saturday Drizzle 76 |67 °F 65% Chance Precipitation Sunday Clear 81 |62 °F 27% Chance Precipitation Monday Clear 83 |64 °F 22% Chance Precipitation Tuesday Clear 85 |61 °F 9% Chance Precipitation

7 Hour Graphical Forecast

Valid: 5:26 AM 7/29/2026

5 AM Clear 71 °F 0% Chance Precipitation

6 AM Clear 70 °F 0% Chance Precipitation

7 AM Clear 69 °F 1% Chance Precipitation

8 AM Clear 71 °F 1% Chance Precipitation

9 AM Clear 74 °F 1% Chance Precipitation

10 AM Clear 77 °F 1% Chance Precipitation

11 AM Clear 79 °F 0% Chance Precipitation

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

7 Day & Night Weather Forecast for Mascoutah, IL - (Fahrenheit & Celsius) Valid: 5:26 AM 7/29/2026 Tonight Clear with a low around 69°F [21°C]. NNE wind to around 9 mph [15 kph], with gusts to near 15 mph [24 kph]. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Thursday Overcast with a high near 88°F [31°C]. E wind to around 8 mph [12 kph], with gusts to near 17 mph [27 kph]. Dewpoint near 64°F [18°C] with humidity of 86%. Pressure around 29.45 in [997.4 mb]. UV Index: 7.2. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Thursday Night Overcast with a low around 66°F [19°C]. E wind to around 8 mph [12 kph], with gusts to near 17 mph [27 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Friday Light Showers with a high near 80°F [27°C]. SSE wind to around 16 mph [25 kph], with gusts to near 28 mph [45 kph]. Dewpoint near 64°F [18°C] with humidity of 92%. Pressure around 29.45 in [997.4 mb]. UV Index: 6.35. Chance of precipitation 65% with QPF of 0.19 in [4.7 mm]. Friday Night Light Showers with a low around 65°F [19°C]. SSE wind to around 16 mph [25 kph], with gusts to near 28 mph [45 kph]. Chance of precipitation 65% with QPF of 0.19 in [4.7 mm]. Saturday Drizzle with a high near 76°F [24°C]. NNE wind to around 15 mph [24 kph], with gusts to near 27 mph [43 kph]. Dewpoint near 64°F [18°C] with humidity of 99%. Pressure around 29.45 in [997.4 mb]. UV Index: 3.1. Chance of precipitation 65% with QPF of 0.11 in [2.9 mm]. Saturday Night Drizzle with a low around 67°F [20°C]. NNE wind to around 15 mph [24 kph], with gusts to near 27 mph [43 kph]. Chance of precipitation 65% with QPF of 0.11 in [2.9 mm]. Sunday Clear with a high near 81°F [27°C]. NNE wind to around 14 mph [22 kph], with gusts to near 26 mph [41 kph]. Dewpoint near 64°F [18°C] with humidity of 97%. Pressure around 29.45 in [997.4 mb]. UV Index: 7.4. Chance of precipitation 27% with QPF of 0.00 in [0.0 mm]. Sunday Night Clear with a low around 62°F [16°C]. NNE wind to around 14 mph [22 kph], with gusts to near 26 mph [41 kph]. Chance of precipitation 27% with QPF of 0.00 in [0.0 mm]. Monday Clear with a high near 83°F [29°C]. ENE wind to around 8 mph [12 kph], with gusts to near 10 mph [17 kph]. Dewpoint near 64°F [18°C] with humidity of 96%. Pressure around 29.45 in [997.4 mb]. UV Index: 7.45. Chance of precipitation 22% with QPF of 0.00 in [0.0 mm]. Monday Night Clear with a low around 64°F [18°C]. ENE wind to around 8 mph [12 kph], with gusts to near 10 mph [17 kph]. Chance of precipitation 22% with QPF of 0.00 in [0.0 mm]. Tuesday Clear with a high near 85°F [30°C]. E wind to around 7 mph [12 kph], with gusts to near 16 mph [26 kph]. Dewpoint near 64°F [18°C] with humidity of 93%. Pressure around 29.45 in [997.4 mb]. UV Index: 7.5. Chance of precipitation 9% with QPF of 0.00 in [0.0 mm]. Tuesday Night Clear with a low around 61°F [16°C]. E wind to around 7 mph [12 kph], with gusts to near 16 mph [26 kph]. Chance of precipitation 9% with QPF of 0.00 in [0.0 mm].

---

7 Day and Night - QPF Forecast for Mascoutah, IL

Tonight: 0.0 mm | 0.00 in

Thursday: 0.0 mm | 0.00 in

Thursday Night: 0.0 mm | 0.00 in

Friday: 4.7 mm | 0.19 in

Friday Night: 4.7 mm | 0.19 in

Saturday: 2.9 mm | 0.11 in

Saturday Night: 2.9 mm | 0.11 in

Sunday: 0.0 mm | 0.00 in

Sunday Night: 0.0 mm | 0.00 in

Monday: 0.0 mm | 0.00 in

Monday Night: 0.0 mm | 0.00 in

Tuesday: 0.0 mm | 0.00 in

Tuesday Night: 0.0 mm | 0.00 in

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

Tonight: NNE @ 15 kph | 9 mph

Thursday: E @ 12 kph | 8 mph

Thursday Night: E @ 12 kph | 8 mph

Friday: SSE @ 25 kph | 16 mph

Friday Night: SSE @ 25 kph | 16 mph

Saturday: NNE @ 24 kph | 15 mph

Saturday Night: NNE @ 24 kph | 15 mph

Sunday: NNE @ 22 kph | 14 mph

Sunday Night: NNE @ 22 kph | 14 mph

Monday: ENE @ 12 kph | 8 mph

Monday Night: ENE @ 12 kph | 8 mph

Tuesday: E @ 12 kph | 7 mph

Tuesday Night: E @ 12 kph | 7 mph

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

Tonight: 87 %

Thursday: 86 %

Thursday Night: 86 %

Friday: 92 %

Friday Night: 92 %

Saturday: 99 %

Saturday Night: 99 %

Sunday: 97 %

Sunday Night: 97 %

Monday: 96 %

Monday Night: 96 %

Tuesday: 93 %

Tuesday Night: 93 %

7 Day and Night - Snowfall Totals Forecast for Mascoutah, IL

Tonight: 0.0 cm | 0.00 in

Thursday: 0.0 cm | 0.00 in

Thursday Night: 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

Contact Us | Mobile Private Policy | Terms & Conds | Consent Preferences | Cookie Policy Never base any life decisions on weather information from this site or anywhere over the Internet. Site is dedicated to our Lord & Savior Jesus Christ | Random Quotes of Jesus Copyright © 2026 El Dorado Weather, Inc. | Site Designed By:  Webmaster Danny