City of Waterloo Weather Forecast

Local 7-day forecast

70°
F

Showers And Thunderstorms Likely

Track current conditions, temperature changes, wind, and the full daily outlook for City of Waterloo in one place.

Wednesday, September 16, 2026
Wind: 8 mph E
Wednesday

Rain showers likely before 10am, then showers and thunderstorms likely. Mostly cloudy, with a high near 70. East wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Local 7-day forecast

Local Weather Overview

This forecast page for City of Waterloo is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 15, 2026 3:46 AM CDT.

The active forecast window currently covers Sep 16 to Sep 21, 2026 for City of Waterloo.

Page Snapshot

Page focus
city weather
Forecast window
Sep 16 to Sep 21, 2026
Latest sync
Sep 15, 2026 3:46 AM CDT
Forecast office
DMX
Source
NOAA / NWS
Next High
70°F
Wednesday
Next Low
62°F
Wednesday Night
Rain Outlook
11
Periods mentioning precipitation
Windiest
7 to 13 mph
Friday

Daily Outlook

Today
Sep 16
Showers And Thunderstorms Likely
70 °F
/ 62°F
Wind 8 mph
Thu
Sep 17
Showers And Thunderstorms
78 °F
/ 64°F
Wind 5 mph
Fri
Sep 18
Showers And Thunderstorms Likely
80 °F
/ 66°F
Wind 7 to 13 mph
Sat
Sep 19
Showers And Thunderstorms Likely
79 °F
/ 62°F
Wind 12 mph
Sun
Sep 20
Chance Showers And Thunderstorms
73 °F
/ 57°F
Wind 10 mph
Mon
Sep 21
Mostly Sunny then Slight Chance Rain Showers
71 °F
Wind 8 mph

This Week in City of Waterloo

Friday looks like the warmest upcoming period in City of Waterloo at 80 degrees F.

Sunday Night is the coolest period ahead with temperatures near 57 degrees F.

The strongest winds are forecast for Friday at about 7 to 13 mph SE.

Precipitation is mentioned in 11 upcoming forecast periods.

Forecast Details

Last updated
Sep 15, 2026 3:46 AM CDT
Coverage
6 days
Time zone
America/Chicago
Forecast office
DMX
Radar station
KDMX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Wednesday Night
Sep 16
62°F
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
2 to 7 mph SSE

Showers and thunderstorms likely before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then showers and thunderstorms. Mostly cloudy, with a low around 62. South southeast wind 2 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Thursday
Sep 17
78°F
Showers And Thunderstorms
5 mph NNE

Showers and thunderstorms before 1pm. Mostly cloudy, with a high near 78. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Thursday Night
Sep 17
64°F
Chance Rain Showers
7 mph E

A chance of rain showers between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.

Friday
Sep 18
80°F
Showers And Thunderstorms Likely
7 to 13 mph SE

Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 60%.

Friday Night
Sep 18
66°F
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
13 mph S

A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Partly cloudy, with a low around 66. Chance of precipitation is 60%.

Saturday
Sep 19
79°F
Showers And Thunderstorms Likely
12 mph SW

Showers and thunderstorms likely. Partly sunny, with a high near 79. Chance of precipitation is 60%.

Saturday Night
Sep 19
62°F
Chance Rain Showers
9 mph N

A chance of rain showers before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.

Sunday
Sep 20
73°F
Chance Showers And Thunderstorms
10 mph NE

A chance of showers and thunderstorms. Partly sunny, with a high near 73. Chance of precipitation is 50%.

Sunday Night
Sep 20
57°F
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
6 to 9 mph NE

A chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms between 7pm and 1am. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.

Monday
Sep 21
71°F
Mostly Sunny then Slight Chance Rain Showers
8 mph NE

A slight chance of rain showers after 1pm. Mostly sunny, with a high near 71.

Detailed Forecast

Period Conditions Temp Wind
Wednesday
Sep 16
Showers And Thunderstorms Likely
70°F
8 mph
E
Wednesday Night
Sep 16
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
62°F
2 to 7 mph
SSE
Thursday
Sep 17
Showers And Thunderstorms
78°F
5 mph
NNE
Thursday Night
Sep 17
Chance Rain Showers
64°F
7 mph
E
Friday
Sep 18
Showers And Thunderstorms Likely
80°F
7 to 13 mph
SE
Friday Night
Sep 18
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
66°F
13 mph
S
Saturday
Sep 19
Showers And Thunderstorms Likely
79°F
12 mph
SW
Saturday Night
Sep 19
Chance Rain Showers
62°F
9 mph
N
Sunday
Sep 20
Chance Showers And Thunderstorms
73°F
10 mph
NE
Sunday Night
Sep 20
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
57°F
6 to 9 mph
NE
Monday
Sep 21
Mostly Sunny then Slight Chance Rain Showers
71°F
8 mph
NE
Downtown Waterloo North Side 2006
Downtown Waterloo North Side 2006 image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.