Wind
S
3 mph
G 0 mph
Local Forecast
Waterloo, IL Weather Forecast & Alerts
Current conditions, 5-day forecast, and active NWS weather alerts for Waterloo, IL.
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Hour-by-Hour Current Observation
Saturday 11:50 PM CDTSaturday 11:50 PM
°F
°C
71°F
Clear
- 86° / 71° High / Low
- 71° Feels Like
- 0% Chance of Rain
UV Index
0
None
Humidity
78%
Dew 64°F
Sun
5:48 AM · 8:05 PM
Rise · Set
Source: CAHOKIA/ST LOUIS (KCPS). Slider scrubs the next 12 hours.
5-Day Outlook
Through Thursday
Today
86° 71°
Partly Sunny
Overnight: Mostly Cloudy
Detailed forecast
Today
Sunny, with a high near 86. South wind 9 to 16 mph, with gusts as high as 26 mph.
Night
Mostly clear, with a low around 69. South wind 12 to 15 mph, with gusts as high as 25 mph.
Monday
89° 71°
Chance of Thunderstorms
Overnight: Isolated T-storm
Detailed forecast
Monday
A slight chance of rain showers between 7am and 10am, then a chance of showers and thunderstorms. Partly sunny, with a high near 88. South wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70. South wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Tuesday
89° 60°
Thunderstorms
Overnight: Thunderstorms
Detailed forecast
Tuesday
A slight chance of showers and thunderstorms before 7am, then showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 80%.
Night
Showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 80%.
Wednesday
73° 53°
Slight Chance of Rain Showers
Overnight: Slight Chance of Rain
Detailed forecast
Wednesday
Showers and thunderstorms likely before 7am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.
Night
A slight chance of rain showers. Mostly cloudy, with a low around 52. Chance of precipitation is 20%.
Thursday
71° 53°
Mostly Cloudy
Overnight: Slight Chance of Rain
Detailed forecast
Thursday
A slight chance of rain showers before 7am. Partly sunny, with a high near 71. Chance of precipitation is 20%.
Night
A slight chance of rain showers after 1am. Mostly cloudy, with a low around 53. Chance of precipitation is 20%.
Waterloo, IL Weather Analysis Tools
