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

Today's forecast for Assumption shows a high of 27 degrees and a low of 19 degrees Fahrenheit. Patchy blowing snow before noon.

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

The 7-day forecast for Assumption shows highs from 27 to 49 degrees and lows from 14 to 35 degrees Fahrenheit. Expect precipitation on 3 days with chances of 20% or higher.

Will it rain in Assumption, IL this week?

Yes, rain is possible in Assumption this week. Precipitation chances: Monday (50% chance), Wednesday (40% chance), Thursday (70% chance).

How accurate is the Assumption weather forecast?

WeatherForYou provides highly accurate Assumption 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.

Assumption, IL Weather Forecast and Current Conditions

WEATHER ALERTS - Special Weather Statement

Current Conditions From Nearby Station

Switch to Metric Units

17°F
Feels Like 1°F

Humidity 69% Dew Point 9°F Wind SSW 17 MPH Gusts 22 Barometer N/A

Solar Rad 191 w/m²

Report from a MADIS/MESONET weather station 12.4 mi. SSW of central Assumption
at 10:18 AM Mon, Dec 15, 2025

Point Forecast at a Glance

MonDec 15

50%

TueDec 16

WedDec 17

ThuDec 18

70%

FriDec 19

SatDec 20

SunDec 21

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

High temperatures climb from 27°F to a high of 49°F by week's end. Some precipitation possible, including both rain and snow.

Climate Context

Temperatures are expected to be near normal for this time of year, with highs around 41°F and lows around 25°F.

This Date in Weather History

1945 - A record December snowstorm buried Buffalo, NY, under 36.6 inches of snow, with unofficial totals south of the city ranging up to 70 inches. Travel was brought to a halt by the storm.

Assumption, IL 7 Day Weather Forecast Details

Monday Dec 15

Day: Patchy blowing snow before noon. Sunny, with a high near 27. Wind chill values between -1 and 9. South southwest wind 8 to 16 mph, with gusts as high as 28 mph.

Night: Mostly clear, with a low around 19. South southwest wind around 8 mph.

Tuesday Dec 16

Day: Sunny, with a high near 38. South wind 6 to 10 mph, with gusts as high as 16 mph.

Night: Mostly cloudy, with a low around 27. South southwest wind 5 to 10 mph, with gusts as high as 16 mph.

Wednesday Dec 17

Day: Mostly sunny, with a high near 40. Light and variable wind becoming southeast 5 to 7 mph in the afternoon.

Night: A 40 percent chance of rain after midnight. Increasing clouds, with a low around 35. South southeast wind 8 to 18 mph, with gusts as high as 28 mph.

Thursday Dec 18

Day: Rain likely before noon. Mostly cloudy, with a high near 49. Breezy, with a south wind 17 to 21 mph becoming west northwest in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

Night: Partly cloudy, with a low around 14.

Friday Dec 19

Day: Mostly sunny, with a high near 31.

Night: Mostly cloudy, with a low around 25.

Saturday Dec 20

Day: Partly sunny, with a high near 48.

Night: Mostly cloudy, with a low around 29.

Sunday Dec 21

Day: Partly sunny, with a high near 42.

About Assumption, IL

Assumption is a city in Christian County, Illinois, United States. The population was 1,155 as of the 2020 census.

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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