National Weather Service forecast

Lake Petersburg, Illinois Weather

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

Lake Petersburg 7-Day Forecast

  1. Overnight
    55°F
    Slight Chance Light Rain
    24% chance of precipitation

    A slight 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 20%. New rainfall amounts less than a tenth of an inch possible.

  2. Wednesday
    59°F
    Patchy Drizzle
    10% chance of precipitation

    Patchy drizzle. Cloudy, with a high near 59. West southwest wind 12 to 15 mph, with gusts as high as 23 mph.

  3. Wednesday Night
    46°F
    Patchy Drizzle then Mostly Cloudy
    10% chance of precipitation

    Patchy drizzle before 10pm. Mostly cloudy, with a low around 46. West southwest wind around 12 mph, with gusts as high as 21 mph.

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

    Mostly cloudy, with a high near 60. West wind 10 to 14 mph, with gusts as high as 23 mph.

  5. Thursday Night
    43°F
    Mostly Cloudy
    13% chance of precipitation

    Mostly cloudy, with a low around 43. Northwest wind 5 to 8 mph.

  6. Friday
    54°F
    Partly Sunny
    4% chance of precipitation

    Partly sunny, with a high near 54. 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
    Mostly Sunny

    Mostly 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
    58°F
    Sunny
    1% chance of precipitation

    Sunny, with a high near 58.

  11. Sunday Night
    34°F
    Clear
    1% chance of precipitation

    Clear, with a low around 34.

  12. Monday
    64°F
    Sunny

    Sunny, with a high near 64.

  13. Monday Night
    39°F
    Clear

    Clear, with a low around 39.

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

    Sunny, with a high near 66.

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

Lake Petersburg Hourly Forecast

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About Lake Petersburg

Population (2020 Census)
740
Coordinates
39.984, -89.856
Elevation
600 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

Lake Petersburg Weather Questions

What is the weather forecast for Lake Petersburg, Illinois?

Overnight: A slight 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 20%. New rainfall amounts less than a tenth of an inch possible. Wednesday: Patchy drizzle. Cloudy, with a high near 59. West southwest wind 12 to 15 mph, with gusts as high as 23 mph.

Will it rain or snow in Lake Petersburg this week?

Not much. The highest chance of precipitation in the 7-day forecast is 24%, Overnight.

How warm and how cold will it get in Lake 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 Lake 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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