Cities / United States / Illinois

34°

☀️ Lake Petersburg weather

Clear sky. .

Feels like 38° Wind 14 km/h SW Humidity 48% Pressure 1014 hPa UV 2 Air Good ☀ 06:29 - 19:28
⚠ Extreme Heat Warning · Severe

Extreme Heat Warning issued September 3 at 2:38AM CDT until September 5 at 7:00PM CDT by NWS Lincoln IL

Right now it is 34° in Lake Petersburg with clear skies, it feels more like 38° and today's high is 36° with an overnight low of 24°. The sun rises at 06:29 and sets at 19:28, giving 12h 59m of daylight. Over the coming week highs range from 29° to 42°.

Lake Petersburg is in Illinois, United States, sitting 182 m above sea level. Local time is America/Chicago (UTC−5), and every time on this page is shown in it.

Next 24 hours - temperature

25° 31° 36° 36° 26° 12:00 · 33.9° · 0 mm 13:00 · 34.9° · 0 mm 14:00 · 35.5° · 0 mm 15:00 · 35.9° · 0 mm 16:00 · 35.8° · 0 mm 17:00 · 35.6° · 0 mm 18:00 · 34.7° · 0 mm 19:00 · 32.3° · 0 mm 20:00 · 30.2° · 0 mm 21:00 · 29.1° · 0 mm 22:00 · 28.3° · 0 mm 23:00 · 27.7° · 0 mm 00:00 · 27.2° · 0 mm 01:00 · 26.9° · 0 mm 02:00 · 26.6° · 0 mm 03:00 · 26.3° · 0 mm 04:00 · 26° · 0 mm 05:00 · 26° · 0 mm 06:00 · 25.9° · 0 mm 07:00 · 25.9° · 0 mm 08:00 · 27.8° · 0 mm 09:00 · 30° · 0 mm 10:00 · 31.9° · 0 mm 11:00 · 34.1° · 0 mm

Precipitation

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

Hour by hour

TIMETEMPFEELSRAINCONDITIONS
12:00 ☀️ 33.9° 35.6° - Clear sky
13:00 ☀️ 34.9° 36.6° - Clear sky
14:00 ☀️ 35.5° 37.5° - Clear sky
15:00 ☀️ 35.9° 37.9° - Clear sky
16:00 ☀️ 35.8° 37.4° - Clear sky
17:00 ☀️ 35.6° 36.8° - Clear sky
18:00 ☀️ 34.7° 35.2° - Clear sky
19:00 ☀️ 32.3° 33.8° - Clear sky
20:00 ☀️ 30.2° 31.7° - Clear sky
21:00 ☀️ 29.1° 30.8° - Clear sky
22:00 ☀️ 28.3° 29.6° - Clear sky
23:00 ☀️ 27.7° 28.8° - Clear sky

Next 16 days

Today☀️ 36°24° Fri 4☀️ 37°26° Sat 5🌦️ 37°24°0.2mm Sun 6☀️ 31°19° Mon 7☁️ 29°16°0.1mm Tue 8⛅ 36°17° Wed 9⛅ 42°28° Thu 10🌤️ 32°20° Fri 11⛅ 31°17° Sat 12☀️ 34°17° Sun 13🌧️ 37°22°8.1mm Mon 14🌦️ 34°22°1.2mm Tue 15🌦️ 26°13°1.8mm Wed 16🌧️ 25°13°21.6mm Thu 17🌧️ 24°13°5.1mm Fri 18🌧️ 27°11°5.7mm
☀️ TodaySeptember 3rd Avg 30° Low 24° at 05:00 High 36° at 15:00 Wind ~17 km/h
Clear
00:00 27°
02:00 26°
04:00 25°
06:00 24°
08:00 26°
10:00 31°
12:00 34°
14:00 36°
16:00 36°
18:00 35°
20:00 30°
22:00 28°
☀️ FridaySeptember 4th Avg 31° Low 26° at 06:00 High 37° at 15:00 Feels 40° Wind ~19 km/h
Clear Cloudy
00:00 27°
02:00 27°
04:00 26°
06:00 26°
08:00 28°
10:00 32°
12:00 36°
14:00 37°
16:00 37°
18:00 36°
20:00 30°
22:00 29°
🌦️ SaturdaySeptember 5th Avg 30° Low 24° at 07:00 High 37° at 16:00 0.2 mm rain Wind ~20 km/h
Cloudy Clear
00:00 27°
02:00 26°
04:00 25°
06:00 25°
08:00 26°
10:00 31°
12:00 34°
14:00 36°
16:00 37°
18:00 34°
20:00 29°
22:00 26°
☀️ SundaySeptember 6th Avg 25° Low 19° at 23:00 High 31° at 14:00 Feels 29° Wind ~23 km/h
Clear Cloudy
00:00 24°
02:00 22°
04:00 21°
06:00 21°
08:00 23°
10:00 27°
12:00 30°
14:00 31°
16:00 30°
18:00 27°
20:00 23°
22:00 20°
☁️ MondaySeptember 7th Avg 22° Low 16° at 06:00 High 29° at 15:00 0.1 mm rain Feels 27° Wind ~20 km/h
Cloudy Cloudy Clear Cloudy
00:00 18°
02:00 17°
04:00 16°
06:00 16°
08:00 18° 0.1mm
10:00 23°
12:00 27°
14:00 29°
16:00 29°
18:00 27°
20:00 21°
22:00 20°
⛅ TuesdaySeptember 8th Avg 26° Low 17° at 06:00 High 36° at 15:00 Feels 34° Wind ~23 km/h
Cloudy Clear Clear
00:00 19°
02:00 18°
04:00 18°
06:00 17°
08:00 20°
10:00 27°
12:00 32°
14:00 35°
16:00 35°
18:00 32°
20:00 30°
22:00 30°
⛅ WednesdaySeptember 9th Avg 32° Low 28° at 06:00 High 42° at 15:00 Feels 40° Wind ~27 km/h
Clear Partly Cloudy Clear Partly Cloudy
00:00 30°
02:00 30°
04:00 29°
06:00 28°
08:00 28°
10:00 30°
12:00 36°
14:00 41°
16:00 42°
18:00 36°
20:00 31°
22:00 29°
🌤️ ThursdaySeptember 10th Avg 28° Low 20° at 23:00 High 32° at 01:00 Feels 30° Wind ~20 km/h
Partly Cloudy Clear Partly Cloudy
00:00 31°
02:00 32°
04:00 31°
06:00 26°
08:00 25°
10:00 28°
12:00 31°
14:00 32°
16:00 31°
18:00 28°
20:00 24°
22:00 20°
⛅ FridaySeptember 11th Avg 23° Low 17° at 07:00 High 31° at 15:00 Feels 28° Wind ~18 km/h
Cloudy Clear Partly Cloudy Partly Cloudy
00:00 19°
02:00 19°
04:00 20°
06:00 17°
08:00 19°
10:00 25°
12:00 28°
14:00 30°
16:00 31°
18:00 27°
20:00 22°
22:00 19°
☀️ SaturdaySeptember 12th Avg 25° Low 17° at 06:00 High 34° at 16:00 Feels 30° Wind ~24 km/h
Clear Partly Cloudy
00:00 19°
02:00 18°
04:00 18°
06:00 17°
08:00 19°
10:00 22°
12:00 28°
14:00 33°
16:00 34°
18:00 31°
20:00 29°
22:00 27°
🌧️ SundaySeptember 13th Avg 30° Low 22° at 23:00 High 37° at 14:00 8.1 mm rain Wind ~26 km/h
Clear Partly Cloudy Clear Rain
00:00 28°
02:00 29°
04:00 28°
06:00 27°
08:00 28°
10:00 32°
12:00 36°
14:00 37°
16:00 36°
18:00 28° 1mm
20:00 23° 1.7mm
22:00 23° 1.7mm
🌦️ MondaySeptember 14th Avg 26° Low 22° at 23:00 High 34° at 15:00 1.2 mm rain Wind ~32 km/h
Cloudy Rain
00:00 22°
02:00 22°
04:00 22°
06:00 23°
08:00 24°
10:00 25°
12:00 30°
14:00 33°
16:00 34°
18:00 27°
20:00 23° 0.2mm
22:00 22° 0.2mm
🌦️ TuesdaySeptember 15th Avg 20° Low 13° at 06:00 High 26° at 15:00 1.8 mm rain Feels 21° Wind ~29 km/h
Rain Clear
00:00 21° 0.6mm
02:00 19° 0.1mm
04:00 16° 0.1mm
06:00 13° 0.1mm
08:00 15°
10:00 21°
12:00 24°
14:00 26°
16:00 26°
18:00 22°
20:00 18°
22:00 17°
🌧️ WednesdaySeptember 16th Avg 19° Low 13° at 06:00 High 25° at 15:00 21.6 mm rain Feels 22° Wind ~16 km/h
Clear Cloudy Rain Cloudy
00:00 15°
02:00 14°
04:00 14°
06:00 13°
08:00 15°
10:00 20°
12:00 23°
14:00 25°
16:00 25°
18:00 22° 7.2mm
20:00 20°
22:00 19°
🌧️ ThursdaySeptember 17th Avg 18° Low 13° at 07:00 High 24° at 15:00 5.1 mm rain Feels 22° Wind ~16 km/h
Cloudy Rain Partly Cloudy Clear
00:00 18°
02:00 17°
04:00 16°
06:00 14° 0.3mm
08:00 15° 1.3mm
10:00 19° 1.3mm
12:00 22° 0.1mm
14:00 24°
16:00 24°
18:00 20°
20:00 17°
22:00 15°
🌧️ FridaySeptember 18th Avg 19° Low 11° at 06:00 High 27° at 16:00 5.7 mm rain Feels 24° Wind ~18 km/h
Clear Rain Clear
00:00 14°
02:00 13°
04:00 12°
06:00 11°
08:00 14° 1.6mm
10:00 20° 1.6mm
12:00 23° 0.3mm
14:00 25°
16:00 27°
18:00 24°
20:00 21°
22:00 18°

Sun

☀️ Sunrise 06:29 · Sunset 19:28

12h 59m of daylight · America/Chicago

Air quality

PM2.5 6 µg/m³ - Good

No reason to change your plans - open the windows.

Source: Copernicus CAMS, updated hourly.

Nearby

New Salem (historical) · 1.6 km Hill Top · 1.9 km Old Salem Chautauqua · 2.5 km Lewisburg · 2.9 km Petersburg · 3.3 km Hilltop · 4.8 km

Tools for Lake Petersburg

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

Common questions about Lake Petersburg weather

Will it rain in Lake Petersburg today?

No rain is in the forecast for Lake Petersburg today.

What is the temperature in Lake Petersburg right now?

It is 34° in Lake Petersburg right now, though it feels closer to 38°. Today runs between a low of 24° and a high of 36°.

What time is sunrise and sunset in Lake Petersburg?

The sun rises at 06:29 and sets at 19:28 local time in Lake Petersburg today, giving 12h 59m of daylight.

What is the air quality in Lake Petersburg?

PM2.5 in Lake Petersburg is currently 6 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 Lake Petersburg 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 Lake Petersburg 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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