Wind
5 mph
ESE
Local Forecast
Current conditions, 5-day forecast, active weather alerts for Waterloo, IL
Active Alerts 1 active
Hour-by-Hour Current Observation
Clear
Wind
5 mph
ESE
UV Index
6
High
Humidity
47%
Dew 37°F
Sun
7:14 AM · 6:16 PM
Rise · Set
Source: CAHOKIA/ST LOUIS (KCPS). Slider scrubs the next 12 hours.
5-Day Outlook
This Afternoon
Mostly Sunny
Overnight: Clear
This Afternoon
Sunny, with a high near 59. Northeast wind around 3 mph.
Night
Clear, with a low around 36. East wind around 2 mph.
Sunday
Sunny
Overnight: Clear
Sunday
Areas of frost between 7am and 8am. Sunny, with a high near 68. Southeast wind around 5 mph.
Night
Clear, with a low around 37. Southeast wind 0 to 3 mph.
Monday
Partly Sunny
Overnight: Mostly Clear
Monday
Sunny, with a high near 72. Southeast wind around 2 mph.
Night
Mostly clear, with a low around 41.
Tuesday
Mostly Sunny
Overnight: Mostly Clear
Tuesday
Sunny, with a high near 74.
Night
Mostly clear, with a low around 43.
Wednesday
Mostly Sunny
Overnight: Clear
Wednesday
Sunny, with a high near 77.
Night
Mostly clear, with a low around 47.
Waterloo, IL Weather Analysis Tools
Regional Radar
Composite reflectivity with Lightning overlay.
Regional Observations
Regional & historic weather conditions near Waterloo, IL.
Active Alerts
Per-location alert detail and NWS source feeds.
Storm Reports
Recent storm reports including wind, hail, and tornadoes.
Model Analysis
Interactive forecast model guidance.
Satellite Imagery
GOES-East and GOES-West, visible and infrared.