National Weather Service forecast

Monticello, Illinois Weather

58°Overnight: Light Rain
Wind S 14 to 17 mph

Monticello 7-Day Forecast

  1. Overnight
    58°F
    Light Rain
    93% chance of precipitation

    Rain. Cloudy, with a low around 58. South wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.

  2. Wednesday
    62°F
    Slight Chance Drizzle
    20% chance of precipitation

    A slight chance of drizzle. Mostly cloudy, with a high near 62. Southwest wind 13 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

  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. Southwest wind around 12 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

  4. Thursday
    61°F
    Partly Sunny
    13% chance of precipitation

    Partly sunny, with a high near 61. West southwest wind 12 to 16 mph, with gusts as high as 23 mph.

  5. Thursday Night
    42°F
    Mostly Cloudy
    11% chance of precipitation

    Mostly cloudy, with a low around 42. Northwest wind around 9 mph.

  6. Friday
    53°F
    Partly Sunny
    9% chance of precipitation

    Partly sunny, with a high near 53. North northwest wind 10 to 14 mph, with gusts as high as 17 mph.

  7. Friday Night
    33°F
    Partly Cloudy

    Partly cloudy, with a low around 33. North northwest wind 5 to 10 mph.

  8. Saturday
    53°F
    Sunny

    Sunny, with a high near 53.

  9. Saturday Night
    31°F
    Partly Cloudy
    1% chance of precipitation

    Partly cloudy, with a low around 31.

  10. Sunday
    58°F
    Sunny
    1% chance of precipitation

    Sunny, with a high near 58.

  11. Sunday Night
    33°F
    Clear

    Clear, with a low around 33.

  12. Monday
    63°F
    Sunny

    Sunny, with a high near 63.

  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 .

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About Monticello

Population (2020 Census)
5,941
Coordinates
40.033, -88.574
Elevation
650 ft
NWS forecast office
ILX
Time zone
America/Chicago
Sunrise today
6:26 AM CST
Sunset today
4:48 PM CST
Daylight today
10 h 22 min

Monticello Weather Questions

What is the weather forecast for Monticello, Illinois?

Overnight: Rain. Cloudy, with a low around 58. South wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible. Wednesday: A slight chance of drizzle. Mostly cloudy, with a high near 62. Southwest wind 13 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Will it rain or snow in Monticello this week?

The best chance of precipitation is Overnight at 93%. Periods with a 30% chance or more: Overnight (93%).

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

The warmest day is Tuesday, with a high near 66°F. The coldest night is Saturday Night, with a low near 31°F.

What time are sunrise and sunset in Monticello today?

Sunrise is at 6:26 AM CST and sunset is at 4:48 PM CST, for 10 h 22 min of daylight.

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