Local Forecast

Waterloo, IL Weather Forecast & Alerts

Current conditions, 5-day forecast, active weather alerts for Waterloo, IL

No Active Alerts

Hour-by-Hour  Current Observation

Monday 9:15 PM CDTMonday 9:15 PM

°F °C
Regional Observations →
68°F

Cloudy

  • 75° / 62° High / Low
  • 68° Feels Like
  • 0% Chance of Rain

Wind

8 mph

NNE

UV Index

0

None

Humidity

88%

Dew 64°F

Sun

6:49 AM · 6:56 PM

Rise · Set

Source: CAHOKIA/ST LOUIS (KCPS). Slider scrubs the next 12 hours.

5-Day Outlook

Through Friday

Local Radar →

Tonight

62°

Slight Chance of Rain

Detailed forecast

Tonight

A slight chance of drizzle. Cloudy, with a low around 62. Northeast wind 2 to 6 mph.

Tuesday

73° 57°

Slight Chance of Rain

Overnight: Mostly Cloudy

Detailed forecast

Tuesday

A slight chance of drizzle before 10am. Mostly cloudy, with a high near 73. North wind 6 to 9 mph.

Night

Mostly cloudy, with a low around 56. North wind 5 to 8 mph.

Wednesday

75° 55°

Mostly Cloudy

Overnight: Partly Cloudy

Detailed forecast

Wednesday

Mostly sunny, with a high near 75. North wind 6 to 9 mph.

Night

Partly cloudy, with a low around 54. Northeast wind 2 to 7 mph.

Thursday

75° 57°

Mostly Cloudy

Overnight: Partly Cloudy

Detailed forecast

Thursday

Mostly sunny, with a high near 75.

Night

Partly cloudy, with a low around 56.

Friday

77° 55°

Partly Sunny

Overnight: Mostly Cloudy

Detailed forecast

Friday

Mostly sunny, with a high near 77.

Night

Mostly cloudy, with a low around 54.

Waterloo, IL Weather Analysis Tools