WATERLOO, IL 62298 Weather Forecast & Current Conditions

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EAST ST. LOUIS, IL
Current Weather

8:53 AM CDT AUG 2, 2025
Clear
70°F
Feels Like: 70°F
Dewpoint: 57°F
Rel. Hum.: 63%
Visibility: 8 miles
Wind: NE at 8 mph
Pressure: 30.31 inches
Last 72 hours

Local Area Snow Depth

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WATERLOO, IL 62298
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Mostly sunny. Highs around 80. Northeast winds 5 to 10 mph.
TONIGHT
Partly cloudy. Lows in the upper 50s. Northeast winds 5 to 10 mph.
SUNDAY
Mostly sunny. Highs in the lower 80s. Northeast winds around 5 mph.
SUNDAY NIGHT
Partly cloudy. Lows in the lower 60s. Northeast winds around 5 mph in the evening, becoming light and variable.
MONDAY
Partly sunny. Highs in the lower 80s. Northeast winds around 5 mph.
MONDAY NIGHT
Partly cloudy. Lows in the mid 60s.
TUESDAY
Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent.
TUESDAY NIGHT THROUGH FRIDAY
Mostly clear. Lows in the upper 60s. Highs in the lower 90s. Heat index values up to 105.

Visible Weather Satellite
WATERLOO, IL 62298
Infrared Weather Satellite
WATERLOO, IL 62298
NEXRAD Weather Radar
WATERLOO, IL 62298

EAST ST. LOUIS, IL 3 hourly weather forecast

weather forecast created  6:00 PM MDT  8/ 1/2025
Saturday
2 AUG 2025
WATERLOO, IL 62298 weather forecast Day 1, 0 hours 1 AM 66° 66° Partly Cloudy 0%

0% Thunder
( 1% severe)
NE   6 75% 58°
Low 61° WATERLOO, IL 62298 weather forecast Day 1, 3 hours 4 AM 63° 64° Partly Cloudy NE   5 78% 56°
High 80° WATERLOO, IL 62298 weather forecast Day 1, 6 hours 7 AM 62° 62° Partly Cloudy 0%

0% Thunder
( 1% severe)
NNE   5 81% 56°

Clear



WATERLOO, IL 62298 weather forecast Day 1, 9 hours 10 AM 73° 73° Clear ENE   8 59% 58°
WATERLOO, IL 62298 weather forecast Day 1, 12 hours 1 PM 77° 79° Clear 0%

0% Thunder
( 1% severe)
NE   9 50% 57°
WATERLOO, IL 62298 weather forecast Day 1, 15 hours 4 PM 79° 80° Clear NE   9 47% 57°
WATERLOO, IL 62298 weather forecast Day 1, 18 hours 7 PM 75° 75° Partly Cloudy 0%

0% Thunder
( 1% severe)
NE   7 55% 58°
WATERLOO, IL 62298 weather forecast Day 1, 21 hours 10 PM 67° 67° Partly Cloudy NE   5 73% 58°
Sunday
3 AUG 2025
WATERLOO, IL 62298 weather forecast Day 2, 0 hours 1 AM 63° 64° Partly Cloudy 0%

0% Thunder
( 1% severe)
NNE   3 84% 58°
Low 59° WATERLOO, IL 62298 weather forecast Day 2, 3 hours 4 AM 61° 62° Partly Cloudy NNE   3 87% 57°
High 82° WATERLOO, IL 62298 weather forecast Day 2, 6 hours 7 AM 61° 62° Partly Cloudy 0%

0% Thunder
( 1% severe)
NNE   3 87% 57°

Clear



WATERLOO, IL 62298 weather forecast Day 2, 9 hours 10 AM 72° 72° Clear NE   5 66% 60°
WATERLOO, IL 62298 weather forecast Day 2, 12 hours 1 PM 78° 80° Clear 0%

0% Thunder
( 4% severe)
ENE   7 56% 61°
WATERLOO, IL 62298 weather forecast Day 2, 15 hours 4 PM 81° 82° Clear NE   7 51% 61°
WATERLOO, IL 62298 weather forecast Day 2, 18 hours 7 PM 78° 80° Partly Cloudy 0%

0% Thunder
( 3% severe)
NE   6 58% 62°
WATERLOO, IL 62298 weather forecast Day 2, 21 hours 10 PM 70° 70° Partly Cloudy NE   3 78% 63°

EAST ST. LOUIS, IL extended weather forecast

Monday
4 AUG 2025
Tuesday
5 AUG 2025
Wednesday
6 AUG 2025
Thursday
7 AUG 2025
Friday
8 AUG 2025
Low 64° Low 66° Low 68° Low 69° Low 69°
High 86° High 88° High 89° High 91° High 93°
WATERLOO, IL 62298 weather forecast Day 3 WATERLOO, IL 62298 weather forecast Day 4 WATERLOO, IL 62298 weather forecast Day 5 WATERLOO, IL 62298 weather forecast Day 6 WATERLOO, IL 62298 weather forecast Day 7
Partly Cloudy
23% Rain
Mostly Cloudy
33% Rain
Partly Cloudy
25% Rain
Partly Cloudy
18% Rain
Partly Cloudy
17% Rain
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