National Weather Service forecast

Big Rock, Illinois Weather

58°Overnight: Rain Showers
Wind S 15 mph

Big Rock 7-Day Forecast

  1. Overnight
    58°F
    Rain Showers
    84% chance of precipitation

    Rain showers. Cloudy. Low around 58, with temperatures rising to around 61 overnight. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

  2. Wednesday
    62°F
    Slight Chance Rain Showers then Mostly Cloudy
    20% chance of precipitation

    A slight chance of rain showers before noon. Mostly cloudy. High near 62, with temperatures falling to around 54 in the afternoon. South southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

  3. Wednesday Night
    46°F
    Cloudy
    12% chance of precipitation

    Cloudy, with a low around 46. Southwest wind around 15 mph, with gusts as high as 25 mph.

  4. Thursday
    56°F
    Chance Rain Showers
    43% chance of precipitation

    A chance of rain showers after 11am. Cloudy, with a high near 56. West southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

  5. Thursday Night
    40°F
    Chance Rain Showers
    42% chance of precipitation

    A chance of rain showers. Cloudy, with a low around 40. Northwest wind 10 to 15 mph. Chance of precipitation is 40%.

  6. Friday
    50°F
    Partly Sunny
    11% chance of precipitation

    Partly sunny, with a high near 50.

  7. Friday Night
    32°F
    Partly Cloudy

    Partly cloudy, with a low around 32.

  8. Saturday
    52°F
    Sunny

    Sunny, with a high near 52.

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

    Mostly clear, with a low around 32.

  10. Sunday
    56°F
    Sunny
    5% chance of precipitation

    Sunny, with a high near 56.

  11. Sunday Night
    34°F
    Mostly Clear

    Mostly clear, with a low around 34.

  12. Monday
    60°F
    Sunny

    Sunny, with a high near 60.

  13. Monday Night
    38°F
    Mostly Clear
    1% chance of precipitation

    Mostly clear, with a low around 38.

  14. Tuesday
    62°F
    Sunny
    1% chance of precipitation

    Sunny, with a high near 62.

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

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About Big Rock

Population (2020 Census)
1,104
Coordinates
41.767, -88.526
Elevation
699 ft
NWS forecast office
LOT
Time zone
America/Chicago
Sunrise today
6:29 AM CST
Sunset today
4:45 PM CST
Daylight today
10 h 16 min

Big Rock Weather Questions

What is the weather forecast for Big Rock, Illinois?

Overnight: Rain showers. Cloudy. Low around 58, with temperatures rising to around 61 overnight. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible. Wednesday: A slight chance of rain showers before noon. Mostly cloudy. High near 62, with temperatures falling to around 54 in the afternoon. South southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Will it rain or snow in Big Rock this week?

The best chance of precipitation is Overnight at 84%. Periods with a 30% chance or more: Overnight (84%), Thursday (43%), Thursday Night (42%).

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

The warmest day is Wednesday, with a high near 62°F. The coldest night is Friday Night, with a low near 32°F.

What time are sunrise and sunset in Big Rock today?

Sunrise is at 6:29 AM CST and sunset is at 4:45 PM CST, for 10 h 16 min of daylight.

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