Lake Delton, WI Weather Forecast
Local 7-day forecast
Areas Of Fog
Track current conditions, temperature changes, wind, and the full daily outlook for Lake Delton, WI in one place.
Areas of fog and a chance of showers and thunderstorms. Mostly cloudy, with a low around 57. West wind around 0 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Lake Delton, 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 15, 2026 6:20 AM CDT.
The active forecast window currently covers Apr 15 to Apr 21, 2026 for Lake Delton, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 6:20 AM CDT
- Forecast office
- MKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Lake Delton
Friday looks like the warmest upcoming period in Lake Delton at 78 degrees F.
Sunday Night is the coolest period ahead with temperatures near 28 degrees F.
The strongest winds are forecast for Friday at about 5 to 15 mph S.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 6:20 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- MKX
- Radar station
- KARX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Areas of fog and showers and thunderstorms likely before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 70. West wind 0 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms between 8pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Northeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
A chance of showers and thunderstorms. Partly sunny, with a high near 68. North wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of rain showers before 7pm. Mostly clear, with a low around 51. South wind 0 to 5 mph. Chance of precipitation is 30%.
A chance of rain showers between 1pm and 4pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 78. South wind 5 to 15 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Showers and thunderstorms. Mostly cloudy. Low around 40, with temperatures rising to around 46 overnight. Southwest wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
A chance of showers and thunderstorms. Partly sunny, with a high near 50. West wind 10 to 15 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of rain showers before 7pm, then a slight chance of rain and snow showers between 7pm and 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.
Mostly sunny, with a high near 49.
Mostly clear, with a low around 28.
Sunny, with a high near 60.
Partly cloudy, with a low around 43.
Sunny, with a high near 69.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Apr 15
|
Areas Of Fog
|
57°F |
0 mph
|
|
Wednesday
Apr 15
|
Areas Of Fog
|
70°F |
0 to 5 mph
W
|
|
Wednesday Night
Apr 15
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
52°F |
5 mph
NE
|
|
Thursday
Apr 16
|
Chance Showers And Thunderstorms
|
68°F |
5 mph
N
|
|
Thursday Night
Apr 16
|
Chance Rain Showers then Mostly Clear
|
51°F |
0 to 5 mph
S
|
|
Friday
Apr 17
|
Partly Sunny then Chance Showers And Thunderstorms
|
78°F |
5 to 15 mph
S
|
|
Friday Night
Apr 17
|
Showers And Thunderstorms
|
40°F |
10 to 15 mph
SW
|
|
Saturday
Apr 18
|
Chance Showers And Thunderstorms
|
50°F |
10 to 15 mph
W
|
|
Saturday Night
Apr 18
|
Slight Chance Rain And Snow Showers
|
29°F |
10 to 15 mph
W
|
|
Sunday
Apr 19
|
Mostly Sunny
|
49°F |
10 mph
NW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
28°F |
0 to 10 mph
W
|
|
Monday
Apr 20
|
Sunny
|
60°F |
0 to 10 mph
S
|
|
Monday Night
Apr 20
|
Partly Cloudy
|
43°F |
10 mph
S
|
|
Tuesday
Apr 21
|
Sunny
|
69°F |
10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lake Delton.