Today 30-Day Map

Illinois - United States 2026-09-18 Friday 40.01N, -89.85W

Petersburg

Illinois - United States

2026-09-18

2026-09-18 03:57

22°

Clear

Today: It's Thundershower during the day and Partly Cloudy at night, cooler than yesterday. AQI is good.

11KM/H

98%

Humidity

Low

23°

Feels Like

13km

Visibility

0.0mm

Precipitation

1021hPa

Pressure

24H Forecast

5am

7am

8am

9am

11am

1pm

2pm

3pm

5pm

7pm

8pm

9pm

11pm

1am

2am

3am

Temperature

Forecast

Today

18 Sep

29°

21°

Sat

19 Sep

31°

19°

Sun

20 Sep

25°

17°

Mon

21 Sep

20°

14°

Tue

22 Sep

19°

13°

Wed

23 Sep

22°

13°

Thu

24 Sep

23°

14°

30 days Forecast

Sun

Now

04:24

Now

04:24

Altitude

-26°

Heading

62°ENE

Moon

First Quarter

Now

04:24

Now

04:24

Altitude

-61°

Heading

286°WNW

Petersburg

Petersburg

24H Forecast

Temperature

Forecast

Sun

Moon

Temperature

Satellite imagery

Weather Rank

Nearby

QWeather APP

Weather API/SDK

Weather

Business

Develop

More

Weather

Business

Develop

Get APP

Support

Contact

© 2026 qweather.com All rights reserved.