Fontana, WI Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Fontana, WI in one place.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 71. Southwest wind 10 to 15 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Fontana, 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: Apr 13, 2026 2:43 AM CDT.
The active forecast window currently covers Apr 16 to Apr 19, 2026 for Fontana, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 16 to Apr 19, 2026
- Latest sync
- Apr 13, 2026 2:43 AM CDT
- Forecast office
- MKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Fontana
Friday looks like the warmest upcoming period in Fontana at 80 degrees F.
Saturday Night is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Thursday at about 10 to 15 mph SW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 13, 2026 2:43 AM CDT
- Coverage
- 4 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
A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 53. Chance of precipitation is 40%.
A chance of rain showers after 1pm. Mostly sunny, with a high near 80. Chance of precipitation is 30%.
A chance of rain showers before 7pm, then showers and thunderstorms. Mostly cloudy, with a low around 51. Chance of precipitation is 80%.
Showers and thunderstorms. Mostly cloudy, with a high near 62. Chance of precipitation is 80%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 34. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 54. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 16
|
Chance Showers And Thunderstorms
|
71°F |
10 to 15 mph
SW
|
|
Thursday Night
Apr 16
|
Chance Showers And Thunderstorms then Mostly Clear
|
53°F |
5 to 10 mph
SW
|
|
Friday
Apr 17
|
Mostly Sunny then Chance Rain Showers
|
80°F |
5 to 15 mph
SE
|
|
Friday Night
Apr 17
|
Showers And Thunderstorms
|
51°F |
15 mph
SW
|
|
Saturday
Apr 18
|
Showers And Thunderstorms
|
62°F |
15 mph
W
|
|
Saturday Night
Apr 18
|
Chance Showers And Thunderstorms
|
34°F |
10 to 15 mph
W
|
|
Sunday
Apr 19
|
Chance Showers And Thunderstorms then Mostly Sunny
|
54°F |
10 to 15 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Fontana.