National Weather Service forecast

Eureka, Illinois Weather

56°Overnight: Light Rain Likely
Wind SSW 13 to 16 mph

Eureka 7-Day Forecast

  1. Overnight
    56°F
    Light Rain Likely
    67% chance of precipitation

    Rain likely. Mostly cloudy, with a low around 56. South southwest wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.

  2. Wednesday
    59°F
    Cloudy
    13% chance of precipitation

    Cloudy, with a high near 59. Southwest wind around 15 mph, with gusts as high as 23 mph. New rainfall amounts less than a tenth of an inch possible.

  3. Wednesday Night
    46°F
    Mostly Cloudy
    8% chance of precipitation

    Mostly cloudy, with a low around 46. Southwest wind around 13 mph, with gusts as high as 23 mph.

  4. Thursday
    57°F
    Mostly Cloudy then Slight Chance Light Rain
    20% chance of precipitation

    A slight chance of rain after 2pm. Mostly cloudy, with a high near 57. West southwest wind 12 to 15 mph, with gusts as high as 24 mph.

  5. Thursday Night
    41°F
    Chance Light Rain
    35% chance of precipitation

    A chance of rain. Mostly cloudy, with a low around 41. Northwest wind 6 to 9 mph, with gusts as high as 17 mph. Chance of precipitation is 40%.

  6. Friday
    52°F
    Partly Sunny
    5% chance of precipitation

    Partly sunny, with a high near 52. North wind around 12 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 2 to 8 mph.

  8. Saturday
    52°F
    Sunny

    Sunny, with a high near 52.

  9. Saturday Night
    32°F
    Mostly Clear
    2% 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

    Clear, with a low around 34.

  12. Monday
    63°F
    Sunny

    Sunny, with a high near 63.

  13. Monday Night
    39°F
    Mostly Clear

    Mostly clear, with a low around 39.

  14. Tuesday
    65°F
    Sunny
    1% chance of precipitation

    Sunny, with a high near 65.

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

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About Eureka

Population (2020 Census)
5,227
Coordinates
40.714, -89.277
Elevation
774 ft
NWS forecast office
ILX
Time zone
America/Chicago
Sunrise today
6:30 AM CST
Sunset today
4:50 PM CST
Daylight today
10 h 20 min

Eureka Weather Questions

What is the weather forecast for Eureka, Illinois?

Overnight: Rain likely. Mostly cloudy, with a low around 56. South southwest wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible. Wednesday: Cloudy, with a high near 59. Southwest wind around 15 mph, with gusts as high as 23 mph. New rainfall amounts less than a tenth of an inch possible.

Will it rain or snow in Eureka this week?

The best chance of precipitation is Overnight at 67%. Periods with a 30% chance or more: Overnight (67%), Thursday Night (35%).

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

The warmest day is Tuesday, with a high near 65°F. The coldest night is Friday Night, with a low near 32°F.

What time are sunrise and sunset in Eureka today?

Sunrise is at 6:30 AM CST and sunset is at 4:50 PM CST, for 10 h 20 min of daylight.

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