18 Reservoir, WI 7-Day Weather Forecast

Feedback E-mail the Weather

Quick Weather Clicks

18 Reservoir, WI 7-Day Weather Forecast

Current Conditions

Settings
18 Reservoir WI weather  - Clear - 78°F
Clear
78°F
Updated 6:09 pm
Feels Like 80°F
Humidity 51%
Wind SE 13 mph
Barometer  30.15 in
Dew Point 59°F
18 Reservoir WI weather  - Clear - 26°C
Clear
26°C
Updated 6:09 pm
Feels Like 26°C
Humidity 51%
Wind SE 21 km/h
Barometer  102 kPa
Dew Point 15°C
Weather in 18 Reservoir18 Reservoir Weather

18 Reservoir Weather Forecast

Weather 18 Reservoir18 Reservoir weather forecast

18 Reservoir, WI Weather Forecast Date: 517 PM CDT Fri Aug 14 2026

Weather forecast for 18 Reservoir, WI


Tonight
18 Reservoir WI Weather for Tonight - Chance Of T-Storm
Lo: 61°F
Lo: 16°C
Tonight... Mostly cloudy. Isolated showers this evening, then a chance of showers and thunderstorms after midnight. Lows in the lower 60s. East winds 5 to 10 mph. Chance of rain 40%.
Sat
18 Reservoir WI Weather for Saturday - Chance Of T-Storm
Hi: 79°FHi: 26°C
Lo: 65°F
Lo: 18°C
Saturday... Mostly cloudy. A chance of showers and thunderstorms in the morning. More humid with highs in the upper 70s. East winds 5 to 10 mph. Chance of rain 50%.
Sun
18 Reservoir WI Weather for Sunday - Mostly Sunny
Hi: 80°FHi: 27°C
Lo: 59°F
Lo: 15°C
Sunday... Mostly sunny. Highs around 80. Northwest winds 10 to 15 mph.
Mon
18 Reservoir WI Weather for Monday - Mostly Sunny
Hi: 80°FHi: 27°C
Lo: 59°F
Lo: 15°C
Monday... Mostly sunny. Highs around 80.
Tue
18 Reservoir WI Weather for Tuesday - Chance Of T-Storm
Hi: 80°FHi: 27°C
Lo: 60°F
Lo: 16°C
Tuesday... Partly sunny in the morning, then becoming mostly cloudy. A chance of showers and thunderstorms. Highs around 80. Chance of rain 50%.
Wed
18 Reservoir WI Weather for Wednesday - Chance Of Showers
Hi: 75°FHi: 24°C
Lo: 55°F
Lo: 13°C
Wednesday... Partly sunny with a chance of showers. Highs in the mid 70s. Chance of rain 30%.
Thu
18 Reservoir WI Weather for Thursday - Partly Cloudy
Hi: 75°FHi: 24°C
Lo: 55°F
Lo: 13°C
Thursday... Partly cloudy. Lows in the mid 50s. Highs in the mid 70s.
Fri
18 Reservoir WI Weather for Friday - Partly Cloudy
Hi: 75°FHi: 24°C
Lo: 55°F
Lo: 13°C
Friday... Partly cloudy. Lows in the mid 50s. Highs in the mid 70s.

Trending Headlines

18 Reservoir Radar Loop

Use the map search tool if you want to place a location marker on the radar map...

18 Reservoir Quick Facts

National Two Day Weather Forecast

E-mail the 18 Reservoir Weather Forecast

Voice your opinion or tell us about page issues...