Waterloo, WI Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Waterloo, WI in one place.
Sunny, with a high near 81. Southeast wind 0 to 5 mph.
Local Weather Overview
This forecast page for Waterloo, WI 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: Aug 2, 2026 3:14 AM CDT.
The active forecast window currently covers Aug 3 to Aug 8, 2026 for Waterloo, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 3 to Aug 8, 2026
- Latest sync
- Aug 2, 2026 3:14 AM CDT
- Forecast office
- MKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Waterloo
Saturday looks like the warmest upcoming period in Waterloo at 86 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Tuesday at about 5 to 10 mph SW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 2, 2026 3:14 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- MKX
- Radar station
- KMKX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 57. South wind 0 to 5 mph.
Mostly sunny, with a high near 84. Southwest wind 5 to 10 mph.
A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 62. West wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms. Partly sunny, with a high near 78. Northwest wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
A slight chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 60. Chance of precipitation is 20%.
A slight chance of rain showers before 7am. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64. Chance of precipitation is 20%.
A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Aug 3
|
Sunny
|
81°F |
0 to 5 mph
SE
|
|
Monday Night
Aug 3
|
Mostly Clear
|
57°F |
0 to 5 mph
S
|
|
Tuesday
Aug 4
|
Mostly Sunny
|
84°F |
5 to 10 mph
SW
|
|
Tuesday Night
Aug 4
|
Slight Chance Showers And Thunderstorms
|
62°F |
0 to 5 mph
W
|
|
Wednesday
Aug 5
|
Chance Showers And Thunderstorms
|
78°F |
5 mph
NW
|
|
Wednesday Night
Aug 5
|
Chance Showers And Thunderstorms
|
56°F |
0 to 5 mph
N
|
|
Thursday
Aug 6
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
79°F |
0 to 5 mph
SE
|
|
Thursday Night
Aug 6
|
Slight Chance Showers And Thunderstorms
|
60°F |
0 to 5 mph
S
|
|
Friday
Aug 7
|
Slight Chance Rain Showers then Mostly Sunny
|
83°F |
0 to 5 mph
SW
|
|
Friday Night
Aug 7
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
64°F |
0 to 5 mph
SW
|
|
Saturday
Aug 8
|
Chance Showers And Thunderstorms
|
86°F |
5 to 10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Waterloo.
