Local Forecast

Waterloo, IL Weather Forecast & Alerts

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

Active Alerts 1 active

Hour-by-Hour  Current Observation

Saturday 4:30 AM CSTSaturday 4:30 AM

°F °C
Regional Observations →
32°F

Fog/Mist

  • 53° / 33° High / Low
  • 32° Feels Like
  • 0% Chance of Rain

Wind

0 mph

N

UV Index

0

None

Humidity

100%

Dew 32°F

Sun

6:36 AM · 4:52 PM

Rise · Set

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

5-Day Outlook

Through Wednesday

Local Radar →

Saturday

53° 33°

Mostly Cloudy

Overnight: Mostly Clear

Detailed forecast

Saturday

Mostly sunny. High near 53, with temperatures falling to around 49 in the afternoon. Northwest wind 0 to 3 mph.

Night

Mostly clear, with a low around 32. West wind 0 to 3 mph.

Sunday

64° 41°

Mostly Sunny

Overnight: Mostly Clear

Detailed forecast

Sunday

Sunny. High near 63, with temperatures falling to around 58 in the afternoon. West wind around 6 mph.

Night

Clear, with a low around 39. West wind around 3 mph.

Monday

68° 44°

Mostly Sunny

Overnight: Clear

Detailed forecast

Monday

Sunny. High near 68, with temperatures falling to around 62 in the afternoon.

Night

Clear, with a low around 44.

Tuesday

68° 44°

Mostly Clear

Overnight: Partly Cloudy

Detailed forecast

Tuesday

Sunny, with a high near 67.

Night

Mostly clear, with a low around 43.

Wednesday

64° 41°

Partly Cloudy

Overnight: Partly Cloudy

Detailed forecast

Wednesday

Mostly sunny, with a high near 63.

Night

Partly cloudy, with a low around 41.

Waterloo, IL Weather Analysis Tools