Cities / United States / Illinois

28°

☁️ Upper Alton weather

Overcast. .

Feels like 34° Wind 5 km/h NE Humidity 84% Pressure 1014 hPa UV 6 Air Good ☀ 06:13 - 19:56
⚠ Extreme Heat Warning · Severe

Extreme Heat Warning issued August 14 at 4:03AM CDT until August 15 at 9:00PM CDT by NWS St Louis MO

Right now it is 28° in Upper Alton with overcast skies, it feels more like 34° and today's high is 37° with an overnight low of 26°. The sun rises at 06:13 and sets at 19:56, giving 13h 43m of daylight. Over the coming week highs range from 25° to 39°.

Upper Alton is in Illinois, United States, sitting 166 m above sea level, with a population of about 29,000. Local time is America/Chicago (UTC−5), and every time on this page is shown in it.

Next 24 hours - temperature

24° 31° 37° 37° 25° 07:00 · 26.6° · 0 mm 08:00 · 28.1° · 0 mm 09:00 · 28.7° · 0 mm 10:00 · 29.8° · 0 mm 11:00 · 30° · 0 mm 12:00 · 32.6° · 0 mm 13:00 · 33.1° · 0 mm 14:00 · 32.9° · 0 mm 15:00 · 35.1° · 0 mm 16:00 · 36.3° · 0 mm 17:00 · 36.6° · 0 mm 18:00 · 36.2° · 0 mm 19:00 · 34.4° · 0 mm 20:00 · 31.8° · 0 mm 21:00 · 30.2° · 0 mm 22:00 · 29° · 0 mm 23:00 · 28.1° · 0 mm 00:00 · 27.4° · 0 mm 01:00 · 26.5° · 0 mm 02:00 · 26° · 0 mm 03:00 · 25.4° · 0 mm 04:00 · 25.1° · 0 mm 05:00 · 24.9° · 0 mm 06:00 · 24.8° · 0 mm

Precipitation

07:00 · 0 mm 07:00 08:00 · 0 mm 09:00 · 0 mm 10:00 · 0 mm 10:00 11:00 · 0 mm 12:00 · 0 mm 13:00 · 0 mm 13:00 14:00 · 0 mm 15:00 · 0 mm 16:00 · 0 mm 16:00 17:00 · 0 mm 18:00 · 0 mm 19:00 · 0 mm 19:00 20:00 · 0 mm 21:00 · 0 mm 22:00 · 0 mm 22:00 23:00 · 0 mm 00:00 · 0 mm 01:00 · 0 mm 01:00 02:00 · 0 mm 03:00 · 0 mm 04:00 · 0 mm 04:00 05:00 · 0 mm 06:00 · 0 mm

Hour by hour

TIMETEMPFEELSRAINCONDITIONS
07:00 ☁️ 26.6° 31.6° - Overcast
08:00 ☁️ 28.1° 33.5° - Overcast
09:00 ⛅ 28.7° 34.1° - Partly cloudy
10:00 ☁️ 29.8° 34.2° - Overcast
11:00 ☁️ 30° 33.7° - Overcast
12:00 ☁️ 32.6° 35.4° - Overcast
13:00 ⛅ 33.1° 35.8° - Partly cloudy
14:00 ☁️ 32.9° 36.1° - Overcast
15:00 🌤️ 35.1° 37.6° - Mostly clear
16:00 ☀️ 36.3° 37.8° - Clear sky
17:00 ☀️ 36.6° 37.4° - Clear sky
18:00 ☀️ 36.2° 37.8° - Clear sky

Next 16 days

Today☁️ 37°26° Sat 15☀️ 39°25° Sun 16🌧️ 32°24°3.4mm Mon 17🌦️ 30°22°0.7mm Tue 18☀️ 33°21° Wed 19⛅ 30°21° Thu 20🌦️ 25°16°1.6mm Fri 21🌤️ 27°15°0.2mm Sat 22☀️ 27°15° Sun 23⛅ 29°15° Mon 24☀️ 31°17° Tue 25☀️ 33°19° Wed 26☀️ 35°23° Thu 27☀️ 36°25° Fri 28🌧️ 36°22°6.6mm Sat 29🌧️ 31°22°12.2mm
☁️ TodayAugust 14th Avg 30° Low 26° at 04:00 High 37° at 17:00 Wind ~15 km/h
Clear Cloudy Cloudy Clear
00:00 27°
02:00 27°
04:00 26°
06:00 27°
08:00 28°
10:00 30°
12:00 33°
14:00 33°
16:00 36°
18:00 36°
20:00 32°
22:00 29°
☀️ SaturdayAugust 15th Avg 32° Low 25° at 06:00 High 39° at 16:00 Wind ~20 km/h
Clear Clear
00:00 27°
02:00 26°
04:00 25°
06:00 25°
08:00 29°
10:00 34°
12:00 38°
14:00 39°
16:00 39°
18:00 39°
20:00 35°
22:00 31°
🌧️ SundayAugust 16th Avg 28° Low 24° at 23:00 High 32° at 16:00 3.4 mm rain Feels 37° Wind ~16 km/h
Clear Cloudy
00:00 29°
02:00 28°
04:00 27°
06:00 26°
08:00 26°
10:00 29°
12:00 27°
14:00 31°
16:00 32°
18:00 32°
20:00 27°
22:00 24° 1.4mm
🌦️ MondayAugust 17th Avg 26° Low 22° at 06:00 High 30° at 14:00 0.7 mm rain Feels 33° Wind ~12 km/h
Clear Clear Cloudy
00:00 24° 0.5mm
02:00 23°
04:00 23°
06:00 22°
08:00 24°
10:00 27°
12:00 29°
14:00 30°
16:00 30°
18:00 29°
20:00 26°
22:00 26°
☀️ TuesdayAugust 18th Avg 27° Low 21° at 06:00 High 33° at 15:00 Wind ~19 km/h
Cloudy Clear
00:00 24°
02:00 22°
04:00 22°
06:00 21°
08:00 24°
10:00 28°
12:00 31°
14:00 32°
16:00 33°
18:00 30°
20:00 27°
22:00 27°
⛅ WednesdayAugust 19th Avg 27° Low 21° at 23:00 High 30° at 14:00 Feels 32° Wind ~24 km/h
Cloudy Partly Cloudy Cloudy
00:00 27°
02:00 28°
04:00 28°
06:00 27°
08:00 27°
10:00 29°
12:00 30°
14:00 30°
16:00 29°
18:00 26°
20:00 24°
22:00 23°
🌦️ ThursdayAugust 20th Avg 21° Low 16° at 23:00 High 25° at 16:00 1.6 mm rain Wind ~15 km/h
Partly Cloudy Cloudy Rain
00:00 20°
02:00 18°
04:00 19°
06:00 18°
08:00 19°
10:00 23°
12:00 24°
14:00 24°
16:00 25°
18:00 23°
20:00 20° 0.5mm
22:00 16° 0.5mm
🌤️ FridayAugust 21st Avg 20° Low 15° at 06:00 High 27° at 15:00 0.2 mm rain Wind ~14 km/h
Cloudy Clear
00:00 17° 0.1mm
02:00 17°
04:00 17°
06:00 15°
08:00 16°
10:00 21°
12:00 24°
14:00 26°
16:00 27°
18:00 25°
20:00 22°
22:00 19°
☀️ SaturdayAugust 22nd Avg 21° Low 15° at 06:00 High 27° at 15:00 Wind ~11 km/h
Clear
00:00 17°
02:00 16°
04:00 16°
06:00 15°
08:00 17°
10:00 22°
12:00 25°
14:00 27°
16:00 27°
18:00 25°
20:00 22°
22:00 19°
⛅ SundayAugust 23rd Avg 22° Low 15° at 06:00 High 29° at 15:00 Wind ~11 km/h
Clear Partly Cloudy Clear
00:00 18°
02:00 17°
04:00 16°
06:00 15°
08:00 18°
10:00 23°
12:00 27°
14:00 29°
16:00 29°
18:00 27°
20:00 24°
22:00 21°
☀️ MondayAugust 24th Avg 24° Low 17° at 06:00 High 31° at 14:00 Wind ~14 km/h
Cloudy Clear Partly Cloudy Cloudy
00:00 19°
02:00 19°
04:00 18°
06:00 17°
08:00 20°
10:00 26°
12:00 30°
14:00 31°
16:00 31°
18:00 28°
20:00 25°
22:00 24°
☀️ TuesdayAugust 25th Avg 26° Low 19° at 06:00 High 33° at 15:00 Feels 31° Wind ~24 km/h
Clear Partly Cloudy Clear Partly Cloudy
00:00 22°
02:00 21°
04:00 20°
06:00 19°
08:00 21°
10:00 27°
12:00 30°
14:00 33°
16:00 33°
18:00 30°
20:00 28°
22:00 27°
☀️ WednesdayAugust 26th Avg 29° Low 23° at 06:00 High 35° at 15:00 Feels 33° Wind ~27 km/h
Clear Partly Cloudy Clear
00:00 25°
02:00 24°
04:00 24°
06:00 23°
08:00 24°
10:00 29°
12:00 32°
14:00 35°
16:00 35°
18:00 33°
20:00 31°
22:00 29°
☀️ ThursdayAugust 27th Avg 30° Low 25° at 06:00 High 36° at 15:00 Feels 33° Wind ~27 km/h
Clear
00:00 27°
02:00 26°
04:00 26°
06:00 25°
08:00 26°
10:00 30°
12:00 34°
14:00 36°
16:00 36°
18:00 33°
20:00 32°
22:00 30°
🌧️ FridayAugust 28th Avg 28° Low 22° at 23:00 High 36° at 14:00 6.6 mm rain Wind ~28 km/h
Clear Partly Cloudy Rain
00:00 28°
02:00 27°
04:00 27°
06:00 25°
08:00 26°
10:00 31°
12:00 34°
14:00 36°
16:00 35°
18:00 28°
20:00 23° 1.2mm
22:00 22° 1.2mm
🌧️ SaturdayAugust 29th Avg 25° Low 22° at 00:00 High 31° at 14:00 12.2 mm rain Wind ~15 km/h
Cloudy Rain Cloudy Rain
00:00 22° 3mm
02:00 22°
04:00 22°
06:00 22° 0.3mm
08:00 23° 0.3mm
10:00 26° 0.3mm
12:00 30°
14:00 31°
16:00 31°
18:00 28°
20:00 25° 1mm
22:00 22° 1mm

Sun

☀️ Sunrise 06:13 · Sunset 19:56

13h 43m of daylight · America/Chicago

Air quality

PM2.5 7.4 µg/m³ - Good

No reason to change your plans - open the windows.

Source: Copernicus CAMS, updated hourly.

Nearby

Sloan · 0.7 km Milton · 1.6 km Alton · 3.7 km North Alton · 4.1 km Woods · 4.4 km Belmont Village · 4.5 km

Tools for Upper Alton

☔ Will it rain today? 🌅 Sunrise & sunset 🫁 Air quality 📼 Weather on this day

Common questions about Upper Alton weather

Will it rain in Upper Alton today?

No rain is in the forecast for Upper Alton today.

What is the temperature in Upper Alton right now?

It is 28° in Upper Alton right now, though it feels closer to 34°. Today runs between a low of 26° and a high of 37°.

What time is sunrise and sunset in Upper Alton?

The sun rises at 06:13 and sets at 19:56 local time in Upper Alton today, giving 13h 43m of daylight.

What is the air quality in Upper Alton?

PM2.5 in Upper Alton is currently 7.4 µg/m³, which counts as Good on the European air-quality index. No reason to change your plans - open the windows.

How accurate is the Upper Alton forecast, and how far ahead does it go?

This page shows 16 days ahead, refreshed every hour. It blends ECMWF, NOAA GFS and whichever national high-resolution model covers Upper Alton best. The first three days are the dependable part - day one is usually within a degree or two - and accuracy falls off steadily after day five, so read the far end as a trend rather than a plan. We publish our measured error against real station observations on the accuracy page.

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