Weather Alert
Izaak Walton Lake Weather Warning NWS WEATHER ALERT FOR THE IZAAK WALTON LAKE, IA AREA - Issued: 202 AM CDT Wed Sep 2 2026 Izaak Walton Lake Weather Warning

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Izaak Walton Lake, IA Weather - Hour by Hour Forecast

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Izaak Walton Lake, IA Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Clear. Temperature is 75°F24°C, dew point 69°F21°C, humidity 81%. Wind direction is SSW at 6 mph10 km/h with visibility of 10 mi16 km. Barometric pressure is 29.95 in1014 mb.
Today - Mostly sunny. Hot with highs in the mid 90s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Heat index values up to 104... Full Forecast
Tonight - Mostly clear. Humid with lows in the mid 70s. South winds around 5 mph. Heat index values up to 101 early in the evening... Full Forecast

Izaak Walton Lake Hourly Weather

24 Hour Forecast Scroll
Wed, Sep 02
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Izaak Walton Lake, IA Hourly Weather - Partly Cloudy - 2:00 AM Izaak Walton Lake, IA Hourly Weather - Mostly Clear - 3:00 AM Izaak Walton Lake, IA Hourly Weather - Mostly Clear - 4:00 AM Izaak Walton Lake, IA Hourly Weather - Mostly Clear - 5:00 AM Izaak Walton Lake, IA Hourly Weather - Mostly Clear - 6:00 AM Izaak Walton Lake, IA Hourly Weather - Mostly Clear - 7:00 AM Izaak Walton Lake, IA Hourly Weather - Mostly Clear - 8:00 AM Izaak Walton Lake, IA Hourly Weather - Clear - 9:00 AM Izaak Walton Lake, IA Hourly Weather - Clear - 10:00 AM Izaak Walton Lake, IA Hourly Weather - Clear - 11:00 AM Izaak Walton Lake, IA Hourly Weather - Clear - 12:00 PM Izaak Walton Lake, IA Hourly Weather - Clear - 1:00 PM Izaak Walton Lake, IA Hourly Weather - Clear - 2:00 PM Izaak Walton Lake, IA Hourly Weather - Clear - 3:00 PM Izaak Walton Lake, IA Hourly Weather - Clear - 4:00 PM Izaak Walton Lake, IA Hourly Weather - Clear - 5:00 PM Izaak Walton Lake, IA Hourly Weather - Clear - 6:00 PM Izaak Walton Lake, IA Hourly Weather - Clear - 7:00 PM Izaak Walton Lake, IA Hourly Weather - Clear - 8:00 PM Izaak Walton Lake, IA Hourly Weather - Clear - 9:00 PM Izaak Walton Lake, IA Hourly Weather - Clear - 10:00 PM Izaak Walton Lake, IA Hourly Weather - Clear - 11:00 PM Izaak Walton Lake, IA Hourly Weather - Mostly Clear - 12:00 AM Izaak Walton Lake, IA Hourly Weather - Mostly Clear - 1:00 AM
Partly Cloudy Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Mostly Clear Mostly Clear
75°F24°C 75°F24°C 74°F23°C 74°F23°C 74°F23°C 74°F23°C 79°F26°C 85°F29°C 90°F32°C 93°F34°C 97°F36°C 100°F38°C 100°F38°C 100°F38°C 100°F38°C 98°F37°C 97°F36°C 95°F35°C 92°F33°C 89°F32°C 86°F30°C 84°F29°C 83°F28°C 81°F27°C
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0% 0% 0% 0% 0% 0% 1% 1% 1% 1% 1% 1% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
70°F21°C 69°F21°C 69°F21°C 69°F21°C 69°F21°C 69°F21°C 69°F21°C 70°F21°C 70°F21°C 69°F21°C 68°F20°C 67°F19°C 66°F19°C 65°F18°C 64°F18°C 64°F18°C 65°F18°C 65°F18°C 65°F18°C 66°F19°C 66°F19°C 66°F19°C 65°F18°C 65°F18°C
84% 82% 84% 84% 84% 84% 72% 61% 52% 46% 39% 35% 33% 32% 31% 33% 35% 38% 41% 47% 51% 55% 55% 58%
SSE SSE SSE SSE SSE SSE SW SW SW SW SW SW SW SW SW SSE S SSE SSE SSE SSE S S S
4 mph 5 mph 5 mph 5 mph 5 mph 5 mph 5 mph 9 mph 9 mph 9 mph 10 mph 10 mph 10 mph 8 mph 8 mph 8 mph 5 mph 5 mph 5 mph 7 mph 7 mph 7 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
Precip. Type
POP
Dewpoint
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Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KBRL model statistics.

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Prob Precip % = Probability of Precipitation.

Izaak Walton Lake 36 Hour Forecast

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

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