National Weather Service forecast

Petersburg, Illinois Weather

55°Overnight: Chance Light Rain
Wind SSW 12 mph
7-DayHourlyRadar

Petersburg 7-Day Forecast

  1. Overnight
    55°F
    Chance Light Rain
    39% chance of precipitation

    A chance of rain before 4am. Mostly cloudy, with a low around 55. South southwest wind around 12 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

  2. Wednesday
    59°F
    Slight Chance Drizzle
    20% chance of precipitation

    A slight chance of drizzle after 8am. Cloudy, with a high near 59. West southwest wind 12 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

  3. Wednesday Night
    46°F
    Slight Chance Drizzle then Mostly Cloudy
    20% chance of precipitation

    A slight chance of drizzle before 10pm. Mostly cloudy, with a low around 46. West southwest wind around 12 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

  4. Thursday
    60°F
    Mostly Cloudy
    14% chance of precipitation

    Mostly cloudy. High near 60, with temperatures falling to around 55 in the afternoon. West wind 10 to 14 mph, with gusts as high as 23 mph.

  5. Thursday Night
    42°F
    Mostly Cloudy
    14% chance of precipitation

    Mostly cloudy, with a low around 42. Northwest wind 5 to 8 mph.

  6. Friday
    53°F
    Partly Sunny
    4% chance of precipitation

    Partly sunny, with a high near 53. North wind around 10 mph, with gusts as high as 18 mph.

  7. Friday Night
    32°F
    Partly Cloudy

    Partly cloudy, with a low around 32. North northwest wind 1 to 7 mph.

  8. Saturday
    53°F
    Sunny

    Sunny, with a high near 53.

  9. Saturday Night
    32°F
    Mostly Clear
    1% chance of precipitation

    Mostly clear, with a low around 32.

  10. Sunday
    59°F
    Sunny
    1% chance of precipitation

    Sunny, with a high near 59.

  11. Sunday Night
    33°F
    Clear
    1% chance of precipitation

    Clear, with a low around 33.

  12. Monday
    64°F
    Sunny

    Sunny, with a high near 64.

  13. Monday Night
    38°F
    Clear

    Clear, with a low around 38.

  14. Tuesday
    66°F
    Sunny
    1% chance of precipitation

    Sunny, with a high near 66.

Issued by the National Weather Service (ILX office), updated .

Petersburg Hourly Forecast

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About Petersburg

Population (2020 Census)
2,258
Coordinates
40.014, -89.845
Elevation
551 ft
NWS forecast office
ILX
Time zone
America/Chicago
Sunrise today
6:31 AM CST
Sunset today
4:54 PM CST
Daylight today
10 h 22 min

Petersburg Weather Questions

What is the weather forecast for Petersburg, Illinois?

Overnight: A chance of rain before 4am. Mostly cloudy, with a low around 55. South southwest wind around 12 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. Wednesday: A slight chance of drizzle after 8am. Cloudy, with a high near 59. West southwest wind 12 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

Will it rain or snow in Petersburg this week?

The best chance of precipitation is Overnight at 39%. Periods with a 30% chance or more: Overnight (39%).

How warm and how cold will it get in Petersburg this week?

The warmest day is Tuesday, with a high near 66°F. The coldest night is Friday Night, with a low near 32°F.

What time are sunrise and sunset in Petersburg today?

Sunrise is at 6:31 AM CST and sunset is at 4:54 PM CST, for 10 h 22 min of daylight.

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