What is today's weather forecast for Lostant, IL?

Today's forecast for Lostant shows a high of 29 degrees and a low of 8 degrees Fahrenheit. Areas of fog before 8am.

What is the 7-day weather forecast for Lostant, IL?

The 7-day forecast for Lostant shows highs from 6 to 45 degrees and lows from -6 to 35 degrees Fahrenheit. Expect precipitation on 3 days with chances of 20% or higher.

Will it rain in Lostant, IL this week?

Yes, rain is possible in Lostant this week. Precipitation chances: Saturday (90% chance), Wednesday (50% chance), Thursday (50% chance).

How accurate is the Lostant weather forecast?

WeatherForYou provides highly accurate Lostant forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Lostant, IL Weather Forecast and Current Conditions

WEATHER ALERTS - Special Weather Statement

Current Conditions From Nearby Station

Switch to Metric Units

22°F
Feels Like 22°F

Humidity 94% Dew Point 20°F Wind Calm Barometer 30.21 in.

Report from a MADIS/MESONET weather station 11 mi. E of central Lostant
at 7:15 AM Fri, Dec 12, 2025

Point Forecast at a Glance

FriDec 12

SatDec 13

90%

-6

SunDec 14

-5

MonDec 15

TueDec 16

WedDec 17

ThuDec 18

50%

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

High temperatures dip from 29°F to a low of 6°F mid-week, then warm to 45°F. Some precipitation possible, including both rain and snow.

Climate Context

This week's forecast shows temperatures running 9°F below the historical average for December. Normal highs for this period are around 37°F with lows around 21°F.

This Date in Weather History

1967 - From December 12th through the 20th a series of snowstorms buries Flagstaff, AZ with nearly 85 inches of snow.

Lostant, IL 7 Day Weather Forecast Details

Friday Dec 12

Day: Areas of fog before 8am. Otherwise, mostly cloudy, with a high near 29. Light and variable wind becoming west 5 to 10 mph in the afternoon.

Night: Cloudy, with a low around 8. Wind chill values as low as -4. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

Saturday Dec 13

Day: Snow, mainly after 9am. Steady temperature around 9. Wind chill values as low as -7. Northwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Night: Partly cloudy, with a low around -6. Wind chill values as low as -24. Northwest wind around 10 mph, with gusts as high as 20 mph.

Sunday Dec 14

Day: Sunny and cold, with a high near 6. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

Night: Mostly clear, with a low around -5.

Monday Dec 15

Day: Mostly sunny, with a high near 23.

Night: Partly cloudy, with a low around 14.

Tuesday Dec 16

Day: Partly sunny, with a high near 37.

Night: Mostly cloudy, with a low around 30.

Wednesday Dec 17

Day: Partly sunny, with a high near 44.

Night: A chance of rain. Mostly cloudy, with a low around 35.

Thursday Dec 18

Day: A chance of rain. Partly sunny, with a high near 45.

About Lostant, IL

Lostant is a village in LaSalle County, Illinois, United States. The population was 423 at the 2020 census, down from 498 at the 2010 census. It is part of the Ottawa Micropolitan Statistical Area.

Content from Wikipedia, licensed under CC BY-SA 3.0.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.

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