Weather Alert
Grays Lake Weather Warning NWS WEATHER ALERT FOR THE GRAYS LAKE, IA AREA - FLOOD WARNING Issued: 732 AM CDT Mon Aug 17 2026 Grays Lake Weather Warning

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Grays Lake, IA Weather - Hour by Hour Forecast

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Grays Lake, IA Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Mostly Clear. Temperature is 65°F18°C, dew point 62°F17°C, humidity 90%. Wind direction is NW at 6 mph10 km/h with visibility of 10 mi16 km. Barometric pressure is 30.14 in1021 mb.
Today - Sunny. Highs in the lower 80s. Northwest winds around 5 mph... Full Forecast
Tonight - Mostly clear in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Humid with lows .. Full Forecast

Grays Lake Hourly Weather

24 Hour Forecast Scroll
Mon, Aug 17
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Grays Lake, IA Hourly Weather - Clear - 8:00 AM Grays Lake, IA Hourly Weather - Clear - 9:00 AM Grays Lake, IA Hourly Weather - Clear - 10:00 AM Grays Lake, IA Hourly Weather - Clear - 11:00 AM Grays Lake, IA Hourly Weather - Mostly Clear - 12:00 PM Grays Lake, IA Hourly Weather - Mostly Clear - 1:00 PM Grays Lake, IA Hourly Weather - Mostly Clear - 2:00 PM Grays Lake, IA Hourly Weather - Mostly Clear - 3:00 PM Grays Lake, IA Hourly Weather - Mostly Clear - 4:00 PM Grays Lake, IA Hourly Weather - Mostly Clear - 5:00 PM Grays Lake, IA Hourly Weather - Mostly Clear - 6:00 PM Grays Lake, IA Hourly Weather - Mostly Clear - 7:00 PM Grays Lake, IA Hourly Weather - Mostly Clear - 8:00 PM Grays Lake, IA Hourly Weather - Clear - 9:00 PM Grays Lake, IA Hourly Weather - Clear - 10:00 PM Grays Lake, IA Hourly Weather - Clear - 11:00 PM Grays Lake, IA Hourly Weather - Mostly Clear - 12:00 AM Grays Lake, IA Hourly Weather - Mostly Clear - 1:00 AM Grays Lake, IA Hourly Weather - Mostly Clear - 2:00 AM Grays Lake, IA Hourly Weather - Mostly Cloudy - 3:00 AM Grays Lake, IA Hourly Weather - Mostly Cloudy - 4:00 AM Grays Lake, IA Hourly Weather - Mostly Cloudy - 5:00 AM Grays Lake, IA Hourly Weather - Cloudy - 6:00 AM Grays Lake, IA Hourly Weather - Cloudy - 7:00 AM
Clear Clear Clear Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Clear Clear Clear Mostly Clear Mostly Clear Mostly Clear Mostly Cloudy Mostly Cloudy Mostly Cloudy Cloudy Cloudy
66°F19°C 70°F21°C 73°F23°C 75°F24°C 78°F26°C 80°F27°C 81°F27°C 82°F28°C 83°F28°C 82°F28°C 82°F28°C 81°F27°C 79°F26°C 76°F24°C 74°F23°C 73°F23°C 72°F22°C 71°F22°C 70°F21°C 70°F21°C 69°F21°C 69°F21°C 68°F20°C 68°F20°C
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2% 2% 2% 2% 2% 2% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 16% 16% 16% 16% 16% 16%
61°F16°C 61°F16°C 61°F16°C 60°F16°C 60°F16°C 59°F15°C 59°F15°C 58°F14°C 58°F14°C 58°F14°C 58°F14°C 58°F14°C 59°F15°C 59°F15°C 60°F16°C 60°F16°C 61°F16°C 61°F16°C 61°F16°C 62°F17°C 62°F17°C 62°F17°C 63°F17°C 63°F17°C
84% 73% 66% 60% 54% 49% 47% 44% 43% 44% 44% 46% 50% 56% 62% 64% 68% 71% 73% 76% 78% 78% 84% 84%
NW NW NW NW WNW W W W SSW SSW SW SSE S S SSE SSE S S S S S S SSE SW
4 mph 5 mph 5 mph 5 mph 6 mph 6 mph 6 mph 5 mph 5 mph 5 mph 5 mph 5 mph 5 mph 5 mph 5 mph 5 mph 6 mph 6 mph 6 mph 5 mph 5 mph 5 mph 7 mph 7 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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Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KDSM model statistics.

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Prob Precip % = Probability of Precipitation.

Grays Lake 36 Hour Forecast

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

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