WATERLOO, IL 62298 Weather Forecast & Current Conditions

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EAST ST. LOUIS, IL
Current Weather

1:53 PM CDT JUN 5, 2025
Overcast
70°F
Feels Like: 70°F
Dewpoint: 64°F
Rel. Hum.: 81%
Visibility: 10 miles
Wind: N at 8 mph
Pressure: 30.04 inches
Last 72 hours

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WATERLOO, IL 62298
Weather Forecast

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Snow Depth pages
THIS AFTERNOON
Mostly cloudy with a slight chance of showers and thunderstorms. Highs in the upper 70s. North winds around 5 mph. Chance of rain 20 percent.
TONIGHT
Mostly cloudy. A chance of showers and thunderstorms after midnight. Patchy fog after midnight. Lows in the mid 60s. North winds around 5 mph in the evening, becoming light and variable. Chance of rain 30 percent.
FRIDAY
Showers with a chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. Patchy fog. Highs in the upper 70s. Southeast winds around 5 mph, becoming northeast around 5 mph in the afternoon. Chance of rain 90 percent.
FRIDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the mid 60s. Northwest winds around 5 mph. Chance of rain 50 percent.
SATURDAY
Partly sunny in the morning, then becoming mostly cloudy. A chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 70s. Northwest winds around 5 mph. Chance of rain 50 percent.
SATURDAY NIGHT
Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the lower 60s. Chance of rain 20 percent.
SUNDAY
Mostly sunny. A slight chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 20 percent.
SUNDAY NIGHT AND MONDAY
Mostly cloudy. A slight chance of showers and thunderstorms. Lows in the lower 60s. Highs in the lower 80s. Chance of rain 20 percent.
MONDAY NIGHT
Partly cloudy in the evening, then clearing. Lows in the upper 50s.
TUESDAY AND TUESDAY NIGHT
Mostly clear. Highs around 80. Lows in the upper 50s.
WEDNESDAY
Mostly sunny. Highs in the lower 80s.

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 AM MDT  6/ 5/2025
Thursday
5 JUN 2025
WATERLOO, IL 62298 weather forecast Day 1, 12 hours 1 PM 73° 73° Mostly Cloudy 11%
RAIN
<.01 in
0% Thunder
( 16% severe)
N   6 79% 66°
High 78° WATERLOO, IL 62298 weather forecast Day 1, 15 hours 4 PM 76° 78° Mostly Cloudy NNW   5 71% 66°
Mostly Cloudy



WATERLOO, IL 62298 weather forecast Day 1, 18 hours 7 PM 77° 79° Mostly Cloudy 8%

0% Thunder
( 9% severe)
N   3 69% 66°
WATERLOO, IL 62298 weather forecast Day 1, 21 hours 10 PM 71° 71° Partly Cloudy NNE   1 84% 66°
Friday
6 JUN 2025
WATERLOO, IL 62298 weather forecast Day 2, 0 hours 1 AM 68° 68° Mostly Cloudy 21%
RAIN
<.01 in
0% Thunder
( 15% severe)
  CALM 90% 65°
Low 66° WATERLOO, IL 62298 weather forecast Day 2, 3 hours 4 AM 66° 66° Mostly Cloudy   CALM 97% 65°
High 78° WATERLOO, IL 62298 weather forecast Day 2, 6 hours 7 AM 67° 67° Mostly Cloudy 56%
RAIN
***
0% Thunder
( 27% severe)
E   1 93% 65°

Mostly Cloudy

Rain Likely

WATERLOO, IL 62298 weather forecast Day 2, 9 hours 10 AM 73° 73° Mostly Cloudy SE   2 79% 66°
WATERLOO, IL 62298 weather forecast Day 2, 12 hours 1 PM 74° 74° Mostly Cloudy 63%
RAIN
***
0% Thunder
( 40% severe)
WSW   5 79% 67°
WATERLOO, IL 62298 weather forecast Day 2, 15 hours 4 PM 75° 75° Mostly Cloudy NNE   5 76% 67°
WATERLOO, IL 62298 weather forecast Day 2, 18 hours 7 PM 75° 75° Mostly Cloudy 14%
RAIN
.01–.1 in
0% Thunder
( 11% severe)
NNE   5 74% 66°
WATERLOO, IL 62298 weather forecast Day 2, 21 hours 10 PM 70° 70° Partly Cloudy NNE   2 87% 66°
Saturday
7 JUN 2025
WATERLOO, IL 62298 weather forecast Day 3, 0 hours 1 AM 68° 68° Partly Cloudy 13%
RAIN
<.01 in
0% Thunder
( 5% severe)
N   1 90% 65°
Low 65° WATERLOO, IL 62298 weather forecast Day 3, 3 hours 4 AM 66° 66° Mostly Cloudy NNE   1 93% 64°
High 80° WATERLOO, IL 62298 weather forecast Day 3, 6 hours 7 AM 66° 66° Mostly Cloudy 31%
RAIN
***
0% Thunder
( 15% severe)
ENE   2 93% 64°

Mostly Cloudy

Chance of Rain

WATERLOO, IL 62298 weather forecast Day 3, 9 hours 10 AM 72° 72° Mostly Cloudy SE   3 79% 65°
WATERLOO, IL 62298 weather forecast Day 3, 15 hours 1 PM 75° 75° Mostly Cloudy 44%
RAIN
***
0% Thunder
( 48% severe)
S   6 74% 66°
WATERLOO, IL 62298 weather forecast Day 3, 18 hours 4 PM 76° 78° Mostly Cloudy SSW   6 71% 66°
WATERLOO, IL 62298 weather forecast Day 3, 21 hours 7 PM 76° 78° Mostly Cloudy     WSW   5 71% 66°

EAST ST. LOUIS, IL extended weather forecast

Sunday
8 JUN 2025
Monday
9 JUN 2025
Tuesday
10 JUN 2025
Wednesday
11 JUN 2025
Thursday
12 JUN 2025
Low 64° Low 59° Low 59° Low 59° Low 61°
High 77° High 81° High 77° High 81° High 83°
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 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Overcast
69% Rain
Mostly Cloudy
41% Rain
Partly Cloudy
54% Rain
Clear
12% Rain
Partly Cloudy
17% Rain
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