Local weather forecastAlton, IL

Current conditions (as of 11:25 PM)Today's forecast
°F | °C
CloudyCloudy
-4°C

Feels like: -12°C


Barometer: 1016.3 mb steady
Dewpoint: -7°
Humidity: 80%
Visibility: 16 km
Precip in last hr: NA
Precip last 24 hrs: 0.05 cm
Wind: 31 km/hr W
Sunrise: 6:58 AM
Sunset: 5:32 PM
UV Index: 0 Low

Observed at Alton/St. Louis, St. Louis Regional Airport.
All times shown are local to Alton.

TodayPartly Cloudy
Hi: -3°
Lo: -12°
Partly Cloudy
9 AMMostly Cloudy-7°
Mostly Cloudy
NoonPartly Cloudy-4°
Partly Cloudy
6 PMPartly Cloudy-6°
Partly Cloudy
Hourly forecast (next 48 hours)
Five-day forecast (Details)
Tomorrow
Feb 11Mostly CloudyMostly Cloudy
Friday
Feb 12SnowSnow
Saturday
Feb 13SnowSnow
Sunday
Feb 14Mostly CloudyMostly Cloudy
Monday
Feb 15Partly CloudyPartly Cloudy
Hi: -3°
Lo: -7°
Hi:
Lo: -4°
Hi: -1°
Lo: -7°
Hi: -2°
Lo: -8°
Hi: -3°
Lo: -8°
Detailed ten-day forecast

Weather maps

Weather Map
Monthly averages & records
°F | °C
JanFebMarAprMayJunJulAugSepOctNovDec
50°
40°
30°
20°
10°
-10°
-20°
-30°
-40°
6.955.867.959.9611.7810.910.869.327.388.689.637.75
Precipitation (cm)
Daily averages for February
Detailed weather forecast
°F | °C
DayForecastDescriptionPrecip chance
Today
Feb 10
Partly CloudyPartly Cloudy

Hi: -3° Lo: -12°

Day: Partly Cloudy. High -3C. Winds NW at 10 mph. Air Quality: Good, UV Index: 3

0%

Night: Fair. Low -12C. Light winds.

0%
Tomorrow
Feb 11
Mostly CloudyMostly Cloudy

Hi: -3° Lo: -7°

Day: Mostly Cloudy. High -3C. Light winds. Air Quality: NA, UV Index: 3

0%

Night: Snow Showers. Low -7C. Winds SE at 5 mph.

20%
Friday
Feb 12
SnowSnow

Hi: Lo: -4°

Snow. High 0C and low -4C. Winds W at 5 mph. Air Quality: NA, UV Index: 2

20%
Saturday
Feb 13
SnowSnow

Hi: -1° Lo: -7°

Snow. High -1C and low -7C. Winds NW at 9 mph. Air Quality: NA, UV Index: NA

40%
Sunday
Feb 14
Mostly CloudyMostly Cloudy

Hi: -2° Lo: -8°

Mostly Cloudy. High -2C and low -8C. Winds NW at 15 mph. Air Quality: NA, UV Index: NA

0%
Detailed ten-day forecast

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  • Observation data courtesy of METAR
  • Air Quality data provided by AIRNow
  • Data provided outside US and Canada by Foreca
  • Data provided for US and Canada by WDT