WATERLOO, IA Weather Forecast & Current Conditions

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WATERLOO, IA
Current Weather

6:54 PM CDT AUG 12, 2025
Few Clouds
81°F
Feels Like: 83°F
Dewpoint: 66°F
Rel. Hum.: 60%
Visibility: 10 miles
Wind: WNW at 7 mph
Pressure: 29.91 inches
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WATERLOO, IA
Weather Forecast

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Snow Depth pages
TONIGHT
Mostly clear. Isolated showers and thunderstorms this evening. Lows in the upper 50s. Northwest winds 5 to 10 mph. Chance of rain 20 percent.
WEDNESDAY
Sunny. Highs around 80. North winds around 5 mph.
WEDNESDAY NIGHT
Mostly clear. Lows in the upper 50s. North winds around 5 mph, becoming east after midnight.
THURSDAY
Mostly sunny. Highs around 80. Southeast winds 5 to 10 mph.
THURSDAY NIGHT
Mostly clear in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the mid 60s. Southeast winds 5 to 10 mph. Chance of rain 20 percent.
FRIDAY
Mostly sunny. Highs in the mid 80s.
FRIDAY NIGHT
Mostly clear in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows around 70. Chance of rain 20 percent.
SATURDAY
Mostly sunny. Highs around 90. Heat index values up to 100 in the afternoon.
SATURDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows around 70. Chance of rain 30 percent.
SUNDAY
Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 20 percent.
SUNDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms. A chance of showers. Lows in the upper 60s. Chance of rain 50 percent.
MONDAY
Mostly cloudy in the morning, then becoming partly sunny. A chance of showers with a slight chance of thunderstorms. Highs in the lower 80s. Chance of rain 50 percent.
MONDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers with a slight chance of thunderstorms. Lows in the mid 60s. Chance of rain 40 percent.

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WATERLOO, IA
Infrared Weather Satellite
WATERLOO, IA
NEXRAD Weather Radar
WATERLOO, IA

WATERLOO, IA 3 hourly weather forecast

weather forecast created  7:00 AM CDT  8/12/2025
Tuesday
12 AUG 2025
WATERLOO, IA weather forecast Day 1, 12 hours 1 PM 80° 83° Mostly Cloudy 8%

0% Thunder
( 32% severe)
W   8 67% 68°
High 83° WATERLOO, IA weather forecast Day 1, 15 hours 4 PM 82° 84° Mostly Cloudy WNW   9 58% 66°
Mostly Cloudy



WATERLOO, IA weather forecast Day 1, 18 hours 7 PM 78° 80° Partly Cloudy 2%

0% Thunder
( 10% severe)
NW   9 69% 67°
WATERLOO, IA weather forecast Day 1, 21 hours 10 PM 69° 69° Partly Cloudy NNW   6 90% 66°
Wednesday
13 AUG 2025
WATERLOO, IA weather forecast Day 2, 0 hours 1 AM 64° 65° Clear 0%

0% Thunder
( 1% severe)
NNW   5 93% 62°
Low 57° WATERLOO, IA weather forecast Day 2, 3 hours 4 AM 60° 61° Clear NW   3 96% 59°
High 81° WATERLOO, IA weather forecast Day 2, 6 hours 7 AM 59° 60° Partly Cloudy 0%

0% Thunder
( 1% severe)
NW   3 96% 58°

Clear



WATERLOO, IA weather forecast Day 2, 9 hours 10 AM 72° 72° Clear NNW   3 71% 62°
WATERLOO, IA weather forecast Day 2, 12 hours 1 PM 78° 79° Clear 0%

0% Thunder
( 5% severe)
NNW   5 54% 60°
WATERLOO, IA weather forecast Day 2, 15 hours 4 PM 80° 81° Clear NNW   3 49% 59°
WATERLOO, IA weather forecast Day 2, 18 hours 7 PM 77° 79° Clear 0%

0% Thunder
( 6% severe)
N   2 60% 62°
WATERLOO, IA weather forecast Day 2, 21 hours 10 PM 67° 67° Clear   CALM 84% 62°
Thursday
14 AUG 2025
WATERLOO, IA weather forecast Day 3, 0 hours 1 AM 63° 64° Clear 2%

0% Thunder
( 3% severe)
E   1 90% 60°
Low 59° WATERLOO, IA weather forecast Day 3, 3 hours 4 AM 60° 61° Partly Cloudy ESE   1 96% 59°
High 81° WATERLOO, IA weather forecast Day 3, 6 hours 7 AM 60° 61° Partly Cloudy 2%

0% Thunder
( 5% severe)
SE   2 96% 59°

Partly Cloudy



WATERLOO, IA weather forecast Day 3, 9 hours 10 AM 72° 72° Partly Cloudy SSE   7 73% 63°
WATERLOO, IA weather forecast Day 3, 15 hours 1 PM 78° 80° Partly Cloudy 1%

0% Thunder
( 6% severe)
SSE   10 60% 63°
WATERLOO, IA weather forecast Day 3, 18 hours 4 PM 80° 81° Partly Cloudy SSE   12 56% 63°
WATERLOO, IA weather forecast Day 3, 21 hours 7 PM 77° 79° Partly Cloudy     SSE   10 64% 64°

WATERLOO, IA extended weather forecast

Friday
15 AUG 2025
Saturday
16 AUG 2025
Sunday
17 AUG 2025
Monday
18 AUG 2025
Tuesday
19 AUG 2025
Low 67° Low 72° Low 72° Low 66° Low 62°
High 89° High 96° High 89° High 86° High 84°
WATERLOO, IA weather forecast Day 4 WATERLOO, IA weather forecast Day 5 WATERLOO, IA weather forecast Day 6 WATERLOO, IA weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Partly Cloudy
46% Rain
Partly Cloudy
23% Rain
Partly Cloudy
27% Rain
Partly Cloudy
34% Rain
Partly Cloudy
26% Rain
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