Alton, Illinois, United States

From the US National Weather ServiceIssued 5:21 am · Checked 6:35 am

Forecast for now

45°now

Partly cloudy

High 50° Low 32°

Dry for the next 12 hours. Warming to 50° by 11 am.

Every 2 hours · rain per hour

Daily forecast
Day	Weather	Low	High	Rain
TodayThu Nov 12	Showers	32°	50°	22% chance of rain
TomorrowFri Nov 13	Partly cloudy	27°	46°	Dry
SatNov 14	Clear	28°	48°	Dry
SunNov 15	Mostly clear	28°	52°	Dry
MonNov 16	Mostly clear	28°	54°	Dry

View all 7 daysShow fewer days

Remaining days
Day	Weather	Low	High	Rain
TueNov 17	Clear	30°	55°	Dry
WedNov 18	Mostly clear	37°	59°	9% chance of rain

nowFri

30°40°50°ShowersMostly clear50°34°

7 am10 am1 pm4 pm7 pm10 pm1 am4 am

FriSat

30°40°50°Partly cloudyMostly cloudyClear32°46°27°

7 am10 am1 pm4 pm7 pm10 pm1 am4 am

temperaturechance of raincloud covernight

Thursday, November 12
Weather	°F	Rain %	Wind mph
Partly cloudy	45°	Dry	11
Partly cloudy	46°	Dry	14
Partly cloudy	48°	Dry	15
Partly cloudy	48°	Dry	16
Mostly cloudy	50°	7	16
Showers	50°	12	17
Showers	50°	18	17
Showers	50°	22	17
Showers	48°	21	16
Showers	48°	19	16
Showers	46°	14	14
Mostly cloudy	45°	8	14

Show all 47 hours

Thursday, November 12, continued
Weather	°F	Rain %	Wind mph
Mostly cloudy	43°	Dry	14
Partly cloudy	41°	Dry	11
Partly cloudy	39°	Dry	11
Mostly clear	39°	Dry	8
Mostly clear	37°	Dry	8

Friday, November 13
Weather	°F	Rain %	Wind mph
Mostly clear	36°	Dry	7
Mostly clear	36°	Dry	7
Mostly clear	36°	Dry	8
Mostly clear	36°	Dry	9
Mostly clear	34°	Dry	9
Partly cloudy	34°	Dry	9
Partly cloudy	34°	Dry	9
Partly cloudy	32°	Dry	9
Partly cloudy	36°	Dry	12
Partly cloudy	39°	Dry	12
Partly cloudy	43°	Dry	12
Partly cloudy	45°	Dry	14
Mostly cloudy	45°	Dry	14
Mostly cloudy	46°	Dry	14
Mostly cloudy	46°	Dry	14
Mostly cloudy	46°	Dry	14
Mostly cloudy	46°	Dry	12
Partly cloudy	45°	Dry	11
Partly cloudy	41°	Dry	8
Partly cloudy	39°	Dry	7
Mostly clear	37°	Dry	6
Mostly clear	36°	Dry	4
Mostly clear	34°	Dry	4
Clear	32°	Dry	2

Saturday, November 14
Weather	°F	Rain %	Wind mph
Clear	30°	Dry	2
Clear	30°	Dry	2
Clear	30°	Dry	4
Clear	28°	Dry	4
Clear	28°	Dry	4
Clear	27°	Dry	4

The forecast comes from the US National Weather Service. We check for new forecasts around the clock and show them within minutes.
Official US weather warnings from the National Weather Service appear above the forecast while any are in force.
We don't yet publish how accurate forecasts are for this place.