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18 Reservoir Weather Warning NWS WEATHER ALERT FOR THE 18 RESERVOIR, WI AREA - Issued: 908 AM CDT Fri Aug 7 2026 18 Reservoir Weather Warning

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18 Reservoir, WI Weather - Hour by Hour Forecast

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18 Reservoir, WI Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Mostly Cloudy. Temperature is 76°F24°C, dew point 67°F19°C, humidity 73%. Wind direction is SSW at 8 mph13 km/h with visibility of 10 mi16 km. Barometric pressure is 29.91 in1012 mb.
Tonight - Mostly cloudy with a chance of showers and thunderstorms this evening, then partly cloudy after midnight. Lows in the lower 60s. S.. Full Forecast
Saturday - Mostly sunny. Highs in the lower 80s. Northwest winds 5 to 10 mph... Full Forecast

18 Reservoir Hourly Weather

24 Hour Forecast Scroll
Fri, Aug 07
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18 Reservoir, WI Hourly Weather - Mostly Cloudy - 6:00 PM 18 Reservoir, WI Hourly Weather - Mostly Cloudy - 7:00 PM 18 Reservoir, WI Hourly Weather - Mostly Cloudy - 8:00 PM 18 Reservoir, WI Hourly Weather - Cloudy - 9:00 PM 18 Reservoir, WI Hourly Weather - Cloudy - 10:00 PM 18 Reservoir, WI Hourly Weather - Cloudy - 11:00 PM 18 Reservoir, WI Hourly Weather - Clear - 12:00 AM 18 Reservoir, WI Hourly Weather - Clear - 1:00 AM 18 Reservoir, WI Hourly Weather - Clear - 2:00 AM 18 Reservoir, WI Hourly Weather - Clear - 3:00 AM 18 Reservoir, WI Hourly Weather - Clear - 4:00 AM 18 Reservoir, WI Hourly Weather - Clear - 5:00 AM 18 Reservoir, WI Hourly Weather - Clear - 6:00 AM 18 Reservoir, WI Hourly Weather - Clear - 7:00 AM 18 Reservoir, WI Hourly Weather - Clear - 8:00 AM 18 Reservoir, WI Hourly Weather - Clear - 9:00 AM 18 Reservoir, WI Hourly Weather - Clear - 10:00 AM 18 Reservoir, WI Hourly Weather - Clear - 11:00 AM 18 Reservoir, WI Hourly Weather - Clear - 12:00 PM 18 Reservoir, WI Hourly Weather - Clear - 1:00 PM 18 Reservoir, WI Hourly Weather - Clear - 2:00 PM 18 Reservoir, WI Hourly Weather - Clear - 3:00 PM 18 Reservoir, WI Hourly Weather - Clear - 4:00 PM 18 Reservoir, WI Hourly Weather - Clear - 5:00 PM
Mostly Cloudy Mostly Cloudy Mostly Cloudy Cloudy Cloudy Cloudy Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear
83°F28°C 81°F27°C 78°F26°C 75°F24°C 72°F22°C 70°F21°C 67°F19°C 65°F18°C 63°F17°C 62°F17°C 60°F16°C 60°F16°C 60°F16°C 60°F16°C 65°F18°C 71°F22°C 76°F24°C 78°F26°C 81°F27°C 83°F28°C 84°F29°C 86°F30°C 87°F31°C 86°F30°C
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13% 13% 40% 40% 40% 40% 40% 40% 5% 5% 5% 5% 5% 5% 1% 1% 1% 1% 1% 1% 0% 0% 0% 0%
63°F17°C 63°F17°C 63°F17°C 63°F17°C 63°F17°C 62°F17°C 61°F16°C 60°F16°C 59°F15°C 57°F14°C 56°F13°C 56°F13°C 55°F13°C 55°F13°C 55°F13°C 55°F13°C 55°F13°C 54°F12°C 53°F12°C 52°F11°C 52°F11°C 51°F11°C 51°F11°C 51°F11°C
51% 54% 60% 66% 73% 76% 81% 84% 87% 84% 87% 87% 84% 84% 70% 57% 48% 44% 38% 34% 33% 30% 29% 30%
SW SW SSW SSW SSW SSW W W WNW NW NW NW NW NW NW NW NW NW NW NW NW NW NW W
10 mph 10 mph 10 mph 7 mph 7 mph 7 mph 4 mph 4 mph 4 mph 4 mph 4 mph 4 mph 4 mph 4 mph 4 mph 8 mph 8 mph 8 mph 10 mph 10 mph 10 mph 8 mph 8 mph 8 mph
10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km
Hour (CDT)
Weather
Clouds
Temperature
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POP
Dewpoint
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POP = Probability of Precipitation. ** Indicates missing data/values from KISW model statistics.

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Prob Precip % = Probability of Precipitation.

18 Reservoir 36 Hour Forecast

POP = Probability of Precipitation. ** Indicates missing data/values from model statistics.

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