What is today's weather forecast for South Streator, IL?

Today's forecast for South Streator shows a high of 70 degrees and a low of 58 degrees Fahrenheit. Sunny, with a high near 70.

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

The 7-day forecast for South Streator shows highs from 46 to 70 degrees and lows from 29 to 58 degrees Fahrenheit. Expect precipitation on 4 days with chances of 20% or higher.

Will it rain in South Streator, IL this week?

Yes, rain is possible in South Streator this week. Precipitation chances: Monday (50% chance), Tuesday (50% chance), Wednesday (50% chance), Thursday (50% chance).

How accurate is the South Streator weather forecast?

WeatherForYou provides highly accurate South Streator 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.

South Streator, IL Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

40°F
Feels Like 40°F

Humidity 85% Dew Point 36°F Wind Calm Barometer 30.08 in.764 mm

Report from a MADIS/MESONET weather station 1.1 miles WNW of central South Streator
at 5:45 AM Fri, Nov 14, 2025

Point Forecast at a Glance

FriNov 14

SatNov 15

SunNov 16

MonNov 17

20%

TueNov 18

50%

WedNov 19

ThuNov 20

50%

7-Day Temperature Trend

Week Ahead Summary

High temperatures drop from 70°F to a low of 46°F, then recover to 49°F by week's end. Unsettled weather expected with rain likely on at least 4 days.

Climate Context

This week's forecast shows temperatures running 6°F above the historical average for November. Normal highs for this period are around 49°F with lows around 31°F.

This Date in Weather History

1986 - An early season cold wave set more than 200 records from the northwestern U.S. to the east coast over a seven day period. For some places it proved to be the coldest weather of the winter season.

South Streator, IL 7 Day Weather Forecast Details

Friday Nov 14

Day: Sunny, with a high near 70. South wind 5 to 10 mph, with gusts as high as 15 mph.

Night: Mostly cloudy, with a low around 58. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.

Saturday Nov 15

Day: Mostly cloudy, then gradually becoming sunny, with a high near 70. Southwest wind around 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.

Night: Mostly clear, with a low around 36. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

Sunday Nov 16

Day: Sunny, with a high near 51. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

Night: Partly cloudy, with a low around 31.

Monday Nov 17

Day: A 20 percent chance of rain after noon. Mostly sunny, with a high near 49.

Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 33.

Tuesday Nov 18

Day: A chance of rain before noon. Partly sunny, with a high near 46.

Night: Mostly cloudy, with a low around 29.

Wednesday Nov 19

Day: Partly sunny, with a high near 47.

Night: A chance of rain. Mostly cloudy, with a low around 34.

Thursday Nov 20

Day: Rain likely. Mostly cloudy, with a high near 49.

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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