Lostant, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Mostly Clear 81°F 27°C Heat Index: 85°F	Observed at: Lostant, IL	Elevation: 889 ft | 271 m
	Last Updated: July 16, 10:15 PM Timezone: GMT -5/-4
	Sky Conditions: Mostly Clear	Temperature: 81°F | 27°C
	Pressure: 29.28 in | 991.6 mb	Dewpoint: 72°F | 22°C
	Humidity: 73%	Wind: ENE 4 mph | ENE 6 kph
	Feels Like: 88°F | 31°C	Visibility: 43 mi | 69.2 km
	Lat/Long: 41.1428 | -89.06	Sunrise: 5:37 AM   Sunset: 8:26 PM

7 Day Graphical Forecast

Valid: 10:24 PM 7/16/2026

Tonight Overcast 73 °F 9% Chance Precipitation Friday Overcast 90 |74 °F 30% Chance Precipitation Saturday Light Drizzle 90 |72 °F 55% Chance Precipitation Sunday Overcast 81 |64 °F 7% Chance Precipitation Monday Overcast 84 |65 °F 36% Chance Precipitation Tuesday Overcast 85 |64 °F 36% Chance Precipitation Wednesday Overcast 69 |49 °F 3% Chance Precipitation

7 Hour Graphical Forecast

Valid: 10:24 PM 7/16/2026

10 PM Clear 82 °F 6% Chance Precipitation

11 PM Overcast 81 °F 9% Chance Precipitation

12 AM Mostly Clear 79 °F 4% Chance Precipitation

1 AM Clear 77 °F 2% Chance Precipitation

2 AM Clear 76 °F 3% Chance Precipitation

3 AM Clear 76 °F 5% Chance Precipitation

4 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 Lostant, IL - (Fahrenheit & Celsius) Valid: 10:24 PM 7/16/2026 Tonight Overcast with a low around 73°F [23°C]. SSW wind to around 5 mph [8 kph], with gusts to near 10 mph [17 kph]. Chance of precipitation 9% with QPF of 0.00 in [0.0 mm]. Friday Overcast with a high near 90°F [32°C]. SW wind to around 12 mph [19 kph], with gusts to near 17 mph [28 kph]. Dewpoint near 72°F [22°C] with humidity of 93%. Pressure around 29.28 in [991.6 mb]. UV Index: 7.5. Chance of precipitation 30% with QPF of 0.00 in [0.0 mm]. Friday Night Overcast with a low around 74°F [23°C]. SW wind to around 12 mph [19 kph], with gusts to near 17 mph [28 kph]. Chance of precipitation 30% with QPF of 0.00 in [0.0 mm]. Saturday Light Drizzle with a high near 90°F [32°C]. WNW wind to around 15 mph [25 kph], with gusts to near 27 mph [44 kph]. Dewpoint near 72°F [22°C] with humidity of 93%. Pressure around 29.28 in [991.6 mb]. UV Index: 7.55. Chance of precipitation 55% with QPF of 0.05 in [1.2 mm]. Saturday Night Light Drizzle with a low around 72°F [22°C]. WNW wind to around 15 mph [25 kph], with gusts to near 27 mph [44 kph]. Chance of precipitation 55% with QPF of 0.05 in [1.2 mm]. Sunday Overcast with a high near 81°F [27°C]. E wind to around 8 mph [12 kph], with gusts to near 13 mph [21 kph]. Dewpoint near 72°F [22°C] with humidity of 95%. Pressure around 29.28 in [991.6 mb]. UV Index: 7.55. Chance of precipitation 7% with QPF of 0.00 in [0.0 mm]. Sunday Night Overcast with a low around 64°F [18°C]. E wind to around 8 mph [12 kph], with gusts to near 13 mph [21 kph]. Chance of precipitation 7% with QPF of 0.00 in [0.0 mm]. Monday Overcast with a high near 84°F [29°C]. S wind to around 13 mph [22 kph], with gusts to near 32 mph [51 kph]. Dewpoint near 72°F [22°C] with humidity of 95%. Pressure around 29.28 in [991.6 mb]. UV Index: 6.75. Chance of precipitation 36% with QPF of 0.00 in [0.0 mm]. Monday Night Overcast with a low around 65°F [18°C]. S wind to around 13 mph [22 kph], with gusts to near 32 mph [51 kph]. Chance of precipitation 36% with QPF of 0.00 in [0.0 mm]. Tuesday Overcast with a high near 85°F [30°C]. WNW wind to around 18 mph [30 kph], with gusts to near 36 mph [58 kph]. Dewpoint near 72°F [22°C] with humidity of 87%. Pressure around 29.28 in [991.6 mb]. UV Index: 6.9. Chance of precipitation 36% with QPF of 0.00 in [0.0 mm]. Tuesday Night Overcast with a low around 64°F [18°C]. WNW wind to around 18 mph [30 kph], with gusts to near 36 mph [58 kph]. Chance of precipitation 36% with QPF of 0.00 in [0.0 mm]. Wednesday Overcast with a high near 69°F [21°C]. N wind to around 16 mph [25 kph], with gusts to near 29 mph [47 kph]. Dewpoint near 72°F [22°C] with humidity of 87%. Pressure around 29.28 in [991.6 mb]. UV Index: 7.25. Chance of precipitation 3% with QPF of 0.00 in [0.0 mm]. Wednesday Night Overcast with a low around 49°F [9°C]. N wind to around 16 mph [25 kph], with gusts to near 29 mph [47 kph]. Chance of precipitation 3% with QPF of 0.00 in [0.0 mm].

---

7 Day and Night - QPF Forecast for Lostant, IL

Tonight: 0.0 mm | 0.00 in

Friday: 0.0 mm | 0.00 in

Friday Night: 0.0 mm | 0.00 in

Saturday: 1.2 mm | 0.05 in

Saturday Night: 1.2 mm | 0.05 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

Wednesday: 0.0 mm | 0.00 in

Wednesday Night: 0.0 mm | 0.00 in

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

Tonight: SSW @ 8 kph | 5 mph

Friday: SW @ 19 kph | 12 mph

Friday Night: SW @ 19 kph | 12 mph

Saturday: WNW @ 25 kph | 15 mph

Saturday Night: WNW @ 25 kph | 15 mph

Sunday: E @ 12 kph | 8 mph

Sunday Night: E @ 12 kph | 8 mph

Monday: S @ 22 kph | 13 mph

Monday Night: S @ 22 kph | 13 mph

Tuesday: WNW @ 30 kph | 18 mph

Tuesday Night: WNW @ 30 kph | 18 mph

Wednesday: N @ 25 kph | 16 mph

Wednesday Night: N @ 25 kph | 16 mph

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

Tonight: 99 %

Friday: 93 %

Friday Night: 93 %

Saturday: 93 %

Saturday Night: 93 %

Sunday: 95 %

Sunday Night: 95 %

Monday: 95 %

Monday Night: 95 %

Tuesday: 87 %

Tuesday Night: 87 %

Wednesday: 87 %

Wednesday Night: 87 %

7 Day and Night - Snowfall Totals Forecast for Lostant, 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

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