WATERLOO, IA Weather Forecast & Current Conditions
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 CURRENT WEATHER

WATERLOO, IA
Current Weather
12:54 PM CDT JUN 4, 2026
Clear
82°F
Feels Like: 83°F
Dewpoint: 63°F
Rel. Hum.: 53%
Visibility: 10 miles
Wind: SSW at 18 mph, gusts to 28
Pressure: 29.97 inches
Last 72 hours

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  WEATHER FORECAST
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WATERLOO, IA
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
THIS AFTERNOON
Mostly sunny with a chance of showers and thunderstorms. Near steady temperature in the lower 80s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.
TONIGHT
Showers with a chance of thunderstorms. Lows in the mid 60s. Southwest winds 5 to 10 mph with gusts up to 20 mph, becoming south after midnight. Chance of rain near 100 percent.
FRIDAY
Mostly cloudy with showers likely with a chance of thunderstorms in the morning, then mostly sunny in the afternoon. Humid with highs in the mid 80s. Southwest winds around 10 mph. Chance of rain 70 percent.
FRIDAY NIGHT
Showers likely with a chance of thunderstorms. Humid with lows in the lower 60s. Southwest winds 5 to 10 mph. Chance of rain 70 percent.
SATURDAY
Mostly sunny. Humid with highs in the upper 80s. West winds around 5 mph.
SATURDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 60s.
SUNDAY
Partly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent.
SUNDAY NIGHT
Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the mid 60s. Chance of rain 70 percent.
MONDAY
A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Highs in the mid 80s. Chance of rain 70 percent.
MONDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 60s. Chance of rain 50 percent.
TUESDAY
Partly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 20 percent.
TUESDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 20 percent.
WEDNESDAY
Mostly sunny. Highs in the lower 90s. Heat index values up to 105 in the afternoon.

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WATERLOO, IA
Infrared Weather Satellite
WATERLOO, IA
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WATERLOO, IA
 MOS COMPUTER WEATHER FORECAST

WATERLOO, IA 3 hourly weather forecast
weather forecast created  7:00 AM CDT  6/ 4/2026
Thursday
4 JUN 2026		 WATERLOO, IA weather forecast Day 1, 12 hours 1 PM 82° 82° Mostly Cloudy 65%
RAIN
***		 0% Thunder
( 43% severe)		 SSW   16 46% 59°
High 84° WATERLOO, IA weather forecast Day 1, 15 hours 4 PM 83° 83° Mostly Cloudy SSW   15 46% 60°
Mostly Cloudy

Rain Likely

 WATERLOO, IA weather forecast Day 1, 18 hours 7 PM 78° 79° Mostly Cloudy 86%
RAIN
***		 0% Thunder
( 48% severe)		 W   10 54% 60°
WATERLOO, IA weather forecast Day 1, 21 hours 10 PM 72° 72° Mostly Cloudy SW   8 71% 62°
Friday
5 JUN 2026		 WATERLOO, IA weather forecast Day 2, 0 hours 1 AM 68° 68° Mostly Cloudy 86%
RAIN
***		 0% Thunder
( 39% severe)		 S   9 84% 63°
Low 63° WATERLOO, IA weather forecast Day 2, 3 hours 4 AM 66° 66° Mostly Cloudy SSE   10 90% 63°
High 85° WATERLOO, IA weather forecast Day 2, 6 hours 7 AM 66° 66° Mostly Cloudy 42%
RAIN
***		 0% Thunder
( 20% severe)		 S   10 93% 64°

Decreasing Clouds

Chance of Rain

 WATERLOO, IA weather forecast Day 2, 9 hours 10 AM 72° 72° Mostly Cloudy WSW   10 79% 65°
WATERLOO, IA weather forecast Day 2, 12 hours 1 PM 79° 81° Partly Cloudy 20%
RAIN
.01–.1 in		 0% Thunder
( 40% severe)		 WSW   9 64% 66°
WATERLOO, IA weather forecast Day 2, 15 hours 4 PM 83° 85° Clear WSW   12 57% 66°
WATERLOO, IA weather forecast Day 2, 18 hours 7 PM 82° 84° Partly Cloudy 45%
RAIN
***		 0% Thunder
( 56% severe)		 SW   9 56% 65°
WATERLOO, IA weather forecast Day 2, 21 hours 10 PM 74° 74° Partly Cloudy SSW   6 74% 65°
Saturday
6 JUN 2026		 WATERLOO, IA weather forecast Day 3, 0 hours 1 AM 69° 69° Mostly Cloudy 41%
RAIN
>2 in		 0% Thunder
( 26% severe)		 SW   6 84% 64°
Low 63° WATERLOO, IA weather forecast Day 3, 3 hours 4 AM 66° 66° Mostly Cloudy WSW   3 90% 63°
High 87° WATERLOO, IA weather forecast Day 3, 6 hours 7 AM 66° 66° Partly Cloudy 1%

 0% Thunder
( 10% severe)		 WSW   3 93% 64°

Partly Cloudy



 WATERLOO, IA weather forecast Day 3, 9 hours 10 AM 75° 75° Partly Cloudy   CALM 74% 66°
WATERLOO, IA weather forecast Day 3, 15 hours 1 PM 83° 85° Partly Cloudy 3%

 0% Thunder
( 18% severe)		 S   1 57% 66°
WATERLOO, IA weather forecast Day 3, 18 hours 4 PM 86° 88° Partly Cloudy SSE   5 50% 65°
WATERLOO, IA weather forecast Day 3, 21 hours 7 PM 84° 85° Partly Cloudy     ESE   6 51% 64°

WATERLOO, IA extended weather forecast
Sunday
7 JUN 2026		 Monday
8 JUN 2026		 Tuesday
9 JUN 2026		 Wednesday
10 JUN 2026		 Thursday
11 JUN 2026
Low 65° Low 69° Low 66° Low 69° Low 68°
High 88° High 85° High 89° High 96° High 94°
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
Mostly Cloudy
50% Rain		 Overcast
70% Rain		 Overcast
55% Rain		 Partly Cloudy
24% Rain		 Partly Cloudy
31% Rain
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