Weather Alert
Lake Mendota Weather Warning NWS WEATHER ALERT FOR THE LAKE MENDOTA, WI AREA - Issued: 1250 AM CDT Fri Aug 21 2026 Lake Mendota Weather Warning

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Lake Mendota, WI Weather - Hour by Hour Forecast

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Lake Mendota, WI Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Clear. Temperature is 67°F19°C, dew point 57°F14°C, humidity 70%. Wind direction is S at 5 mph8 km/h with visibility of 10 mi16 km. Barometric pressure is 30.05 in1017 mb.
Rest of Tonight - Partly cloudy after midnight, then mostly cloudy with chance of light showers and slight chance of thunderstorms early in the morn.. Full Forecast
Friday - Mostly cloudy with a 50% chance of showers and thunderstorms. Highs in the upper 70s. Southwest winds 5 to 10 mph... Full Forecast

Lake Mendota Hourly Weather

24 Hour Forecast Scroll
Fri, Aug 21
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Midnight
Sat, Aug 22
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Lake Mendota, WI Hourly Weather - Mostly Cloudy - 2:00 AM Lake Mendota, WI Hourly Weather - Cloudy - 3:00 AM Lake Mendota, WI Hourly Weather - Cloudy - 4:00 AM Lake Mendota, WI Hourly Weather - Cloudy - 5:00 AM Lake Mendota, WI Hourly Weather - Cloudy - 6:00 AM Lake Mendota, WI Hourly Weather - Cloudy - 7:00 AM Lake Mendota, WI Hourly Weather - Cloudy - 8:00 AM Lake Mendota, WI Hourly Weather - Cloudy - 9:00 AM Lake Mendota, WI Hourly Weather - Cloudy - 10:00 AM Lake Mendota, WI Hourly Weather - Cloudy - 11:00 AM Lake Mendota, WI Hourly Weather - Cloudy - 12:00 PM Lake Mendota, WI Hourly Weather - Cloudy - 1:00 PM Lake Mendota, WI Hourly Weather - Cloudy - 2:00 PM Lake Mendota, WI Hourly Weather - Cloudy - 3:00 PM Lake Mendota, WI Hourly Weather - Cloudy - 4:00 PM Lake Mendota, WI Hourly Weather - Cloudy - 5:00 PM Lake Mendota, WI Hourly Weather - Partly Cloudy - 6:00 PM Lake Mendota, WI Hourly Weather - Partly Cloudy - 7:00 PM Lake Mendota, WI Hourly Weather - Partly Cloudy - 8:00 PM Lake Mendota, WI Hourly Weather - Partly Cloudy - 9:00 PM Lake Mendota, WI Hourly Weather - Partly Cloudy - 10:00 PM Lake Mendota, WI Hourly Weather - Partly Cloudy - 11:00 PM Lake Mendota, WI Hourly Weather - Clear - 12:00 AM Lake Mendota, WI Hourly Weather - Clear - 1:00 AM
Mostly Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Clear Clear
66°F19°C 65°F18°C 64°F18°C 64°F18°C 64°F18°C 64°F18°C 66°F19°C 67°F19°C 69°F21°C 71°F22°C 72°F22°C 74°F23°C 75°F24°C 76°F24°C 77°F25°C 76°F24°C 75°F24°C 74°F23°C 72°F22°C 71°F22°C 69°F21°C 68°F20°C 67°F19°C 66°F19°C
Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain - - - - - -
41% 41% 41% 41% 41% 41% 66% 66% 66% 66% 66% 66% 38% 38% 38% 38% 38% 38% 16% 16% 16% 16% 16% 16%
58°F14°C 57°F14°C 57°F14°C 57°F14°C 58°F14°C 58°F14°C 59°F15°C 60°F16°C 61°F16°C 62°F17°C 63°F17°C 64°F18°C 64°F18°C 64°F18°C 64°F18°C 64°F18°C 64°F18°C 64°F18°C 64°F18°C 63°F17°C 63°F17°C 63°F17°C 62°F17°C 62°F17°C
75% 75% 78% 78% 81% 81% 78% 78% 76% 73% 73% 71% 69% 66% 64% 66% 69% 71% 76% 76% 81% 84% 84% 87%
S S S S S S SSE SSE SW SW SW SW SW SW SSW SSW SSW SSW SSW W WNW NW NW NNW
4 mph 3 mph 3 mph 3 mph 5 mph 5 mph 5 mph 7 mph 7 mph 7 mph 7 mph 7 mph 7 mph 6 mph 6 mph 6 mph 4 mph 4 mph 4 mph 3 mph 3 mph 3 mph 3 mph 3 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
Precip. Type
POP
Dewpoint
Humidity
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Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KMSN model statistics.

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Prob Precip % = Probability of Precipitation.

Lake Mendota 36 Hour Forecast

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

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