National Weather Service forecast

Waterloo, Illinois Weather

54°Overnight: Chance Light Rain
Wind SW 8 mph
7-DayHourlyRadar

Waterloo 7-Day Forecast

  1. Overnight
    54°F
    Chance Light Rain
    31% chance of precipitation

    A chance of rain before 3am, then a slight chance of drizzle between 3am and 5am. Mostly cloudy, with a low around 54. Southwest wind around 8 mph. Chance of precipitation is 30%.

  2. Wednesday
    62°F
    Mostly Cloudy
    4% chance of precipitation

    Mostly cloudy, with a high near 62. West wind 6 to 12 mph.

  3. Wednesday Night
    45°F
    Mostly Clear

    Mostly clear, with a low around 45. West wind around 5 mph.

  4. Thursday
    64°F
    Sunny

    Sunny. High near 64, with temperatures falling to around 59 in the afternoon. West wind 5 to 8 mph.

  5. Thursday Night
    47°F
    Mostly Cloudy
    2% chance of precipitation

    Mostly cloudy, with a low around 47. Northwest wind around 6 mph.

  6. Friday
    56°F
    Partly Sunny
    1% chance of precipitation

    Partly sunny. High near 56, with temperatures falling to around 52 in the afternoon.

  7. Friday Night
    37°F
    Partly Cloudy

    Partly cloudy, with a low around 37.

  8. Saturday
    54°F
    Mostly Sunny

    Mostly sunny, with a high near 54.

  9. Saturday Night
    35°F
    Partly Cloudy

    Partly cloudy, with a low around 35.

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

    Sunny, with a high near 59.

  11. Sunday Night
    37°F
    Clear

    Clear, with a low around 37.

  12. Monday
    64°F
    Sunny

    Sunny, with a high near 64.

  13. Monday Night
    41°F
    Clear
    1% chance of precipitation

    Clear, with a low around 41.

  14. Tuesday
    67°F
    Sunny
    1% chance of precipitation

    Sunny, with a high near 67.

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

Waterloo Hourly Forecast

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Full 100+ hour forecast for Waterloo

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About Waterloo

Population (2020 Census)
11,013
Coordinates
38.341, -90.153
Elevation
650 ft
NWS forecast office
LSX
Time zone
America/Chicago
Sunrise today
6:29 AM CST
Sunset today
4:58 PM CST
Daylight today
10 h 28 min

Waterloo Weather Questions

What is the weather forecast for Waterloo, Illinois?

Overnight: A chance of rain before 3am, then a slight chance of drizzle between 3am and 5am. Mostly cloudy, with a low around 54. Southwest wind around 8 mph. Chance of precipitation is 30%. Wednesday: Mostly cloudy, with a high near 62. West wind 6 to 12 mph.

Will it rain or snow in Waterloo this week?

The best chance of precipitation is Overnight at 31%. Periods with a 30% chance or more: Overnight (31%).

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

The warmest day is Tuesday, with a high near 67°F. The coldest night is Saturday Night, with a low near 35°F.

What time are sunrise and sunset in Waterloo today?

Sunrise is at 6:29 AM CST and sunset is at 4:58 PM CST, for 10 h 28 min of daylight.

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