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Sump Lake Weather Warning NWS WEATHER ALERT FOR THE SUMP LAKE, WI AREA - Issued: 217 AM CDT Fri Aug 21 2026 Sump Lake Weather Warning

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Sump Lake, WI Weather - Hour by Hour Forecast

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Sump Lake, WI Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Overcast. Temperature is 70°F21°C, dew point 64°F18°C, humidity 80%. Wind direction is WSW at 5 mph8 km/h with visibility of 10 mi16 km. Barometric pressure is 29.96 in1014 mb.
Today - Mostly cloudy. A chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper.. Full Forecast
Tonight - Partly cloudy. Patchy fog after midnight. Lows in the lower 50s. North wind 5 to 10 mph in the evening becoming light and variable.. Full Forecast

Sump Lake Hourly Weather

24 Hour Forecast Scroll
Fri, Aug 21
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Sump Lake, WI Hourly Weather - Mostly Cloudy - 12:00 PM Sump Lake, WI Hourly Weather - Mostly Cloudy - 1:00 PM Sump Lake, WI Hourly Weather - Mostly Cloudy - 2:00 PM Sump Lake, WI Hourly Weather - Mostly Cloudy - 3:00 PM Sump Lake, WI Hourly Weather - Mostly Cloudy - 4:00 PM Sump Lake, WI Hourly Weather - Mostly Cloudy - 5:00 PM Sump Lake, WI Hourly Weather - Mostly Cloudy - 6:00 PM Sump Lake, WI Hourly Weather - Mostly Cloudy - 7:00 PM Sump Lake, WI Hourly Weather - Mostly Cloudy - 8:00 PM Sump Lake, WI Hourly Weather - Mostly Clear - 9:00 PM Sump Lake, WI Hourly Weather - Mostly Clear - 10:00 PM Sump Lake, WI Hourly Weather - Mostly Clear - 11:00 PM Sump Lake, WI Hourly Weather - Partly Cloudy - 12:00 AM Sump Lake, WI Hourly Weather - Partly Cloudy - 1:00 AM Sump Lake, WI Hourly Weather - Partly Cloudy - 2:00 AM Sump Lake, WI Hourly Weather - Mostly Cloudy - 3:00 AM Sump Lake, WI Hourly Weather - Mostly Cloudy - 4:00 AM Sump Lake, WI Hourly Weather - Mostly Cloudy - 5:00 AM Sump Lake, WI Hourly Weather - Partly Cloudy - 6:00 AM Sump Lake, WI Hourly Weather - Partly Cloudy - 7:00 AM Sump Lake, WI Hourly Weather - Partly Cloudy - 8:00 AM Sump Lake, WI Hourly Weather - Clear - 9:00 AM Sump Lake, WI Hourly Weather - Clear - 10:00 AM Sump Lake, WI Hourly Weather - Clear - 11:00 AM
Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Clear Mostly Clear Mostly Clear Partly Cloudy Partly Cloudy Partly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Clear Clear Clear
68°F20°C 70°F21°C 71°F22°C 73°F23°C 74°F23°C 72°F22°C 71°F22°C 69°F21°C 66°F19°C 62°F17°C 59°F15°C 57°F14°C 56°F13°C 54°F12°C 53°F12°C 52°F11°C 51°F11°C 52°F11°C 54°F12°C 55°F13°C 59°F15°C 63°F17°C 67°F19°C 69°F21°C
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12% 12% 4% 4% 4% 4% 4% 4% 5% 5% 5% 5% 5% 5% 15% 15% 15% 15% 15% 15% 7% 7% 7% 7%
59°F15°C 58°F14°C 57°F14°C 57°F14°C 56°F13°C 56°F13°C 57°F14°C 57°F14°C 56°F13°C 56°F13°C 55°F13°C 54°F12°C 53°F12°C 52°F11°C 51°F11°C 51°F11°C 50°F10°C 51°F11°C 51°F11°C 52°F11°C 53°F12°C 54°F12°C 55°F13°C 53°F12°C
73% 66% 61% 57% 53% 57% 61% 66% 70% 81% 87% 90% 90% 93% 93% 96% 96% 96% 90% 90% 80% 72% 65% 57%
W WNW NW NW NW NW NW NNW NNW NNW NNW NNW NW NW NW NW NW NW NW NW NW NW NW NW
5 mph 5 mph 5 mph 7 mph 7 mph 7 mph 6 mph 6 mph 6 mph 1 mph 1 mph 1 mph 1 mph 1 mph 1 mph 2 mph 2 mph 2 mph 3 mph 3 mph 3 mph 9 mph 9 mph 9 mph
6 mi10 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
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POP = Probability of Precipitation. ** Indicates missing data/values from KTKV model statistics.

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Prob Precip % = Probability of Precipitation.

Sump Lake 36 Hour Forecast

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

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