What is today's weather forecast for Upper Alton, IL?

Today's forecast for Upper Alton shows a low of 59 degrees Fahrenheit. Increasing clouds, with a low around 59.

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

The 7-day forecast for Upper Alton shows highs from 57 to 77 degrees and lows from 37 to 59 degrees Fahrenheit. Expect precipitation on 5 days with chances of 20% or higher.

Will it rain in Upper Alton, IL this week?

Yes, rain is possible in Upper Alton this week. Precipitation chances: Monday (60% chance), Tuesday (20% chance), Wednesday (50% chance), Thursday (60% chance), Friday (40% chance).

How accurate is the Upper Alton weather forecast?

WeatherForYou provides highly accurate Upper Alton 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.

Upper Alton, IL Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

78°F
Feels Like 78°F

Humidity N/A Dew Point N/A Wind S 5 MPH Barometer N/A

Solar Rad 174 w/m²

Report from a MADIS/MESONET weather station 2.4 miles SW of central Upper Alton
at 3:30 PM Fri, Nov 14, 2025

Point Forecast at a Glance

FriNov 14

SatNov 15

SunNov 16

MonNov 17

30%

TueNov 18

20%

WedNov 19

20%

ThuNov 20

60%

7-Day Temperature Trend

Week Ahead Summary

High temperatures drop from 77°F to a low of 57°F, then recover to 62°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 55°F with lows around 36°F.

This Date in Weather History

1974 - A storm produced 15 inches of snow at the Buffalo, NY, airport, and 30 inches on the south shore of Lake Erie.

Upper Alton, IL 7 Day Weather Forecast Details

Friday Nov 14

Night: Increasing clouds, with a low around 59. South wind 7 to 9 mph.

Saturday Nov 15

Day: Mostly sunny, with a high near 77. Southwest wind 8 to 14 mph becoming west in the afternoon. Winds could gust as high as 23 mph.

Night: Mostly clear, with a low around 43. North wind 6 to 9 mph.

Sunday Nov 16

Day: Sunny, with a high near 59. North wind around 6 mph.

Night: Mostly clear, with a low around 37. Light and variable wind.

Monday Nov 17

Day: A 30 percent chance of rain after noon. Mostly sunny, with a high near 57.

Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.

Tuesday Nov 18

Day: A 20 percent chance of rain before noon. Partly sunny, with a high near 58.

Night: Mostly cloudy, with a low around 39.

Wednesday Nov 19

Day: A 20 percent chance of rain. Partly sunny, with a high near 57.

Night: A 50 percent chance of rain. Mostly cloudy, with a low around 46.

Thursday Nov 20

Day: Rain likely. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.

Night: A 50 percent chance of rain. Mostly cloudy, with a low around 44.

Friday Nov 21

Day: A 40 percent chance of rain. Partly sunny, with a high near 59.

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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