Weather Alert
Eureka Weather Warning NWS WEATHER ALERT FOR THE EUREKA, IL AREA - Issued: 132 AM CDT Fri Sep 4 2026 Eureka Weather Warning

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Eureka, IL Weather - Hour by Hour Forecast

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Eureka, IL Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Clear. Temperature is 79°F26°C, dew point 71°F22°C, humidity 76%. Wind direction is N at 0 mph0 km/h with visibility of 10 mi16 km. Barometric pressure is 29.94 in1014 mb.
Rest of Tonight - Clear. Near steady temperature in the mid 70s. South winds 5 to 10 mph... Full Forecast
Friday - Sunny, hot with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 106... Full Forecast

Eureka Hourly Weather

24 Hour Forecast Scroll
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Eureka, IL Hourly Weather - Clear - 2:00 AM Eureka, IL Hourly Weather - Clear - 3:00 AM Eureka, IL Hourly Weather - Clear - 4:00 AM Eureka, IL Hourly Weather - Clear - 5:00 AM Eureka, IL Hourly Weather - Clear - 6:00 AM Eureka, IL Hourly Weather - Clear - 7:00 AM Eureka, IL Hourly Weather - Clear - 8:00 AM Eureka, IL Hourly Weather - Clear - 9:00 AM Eureka, IL Hourly Weather - Clear - 10:00 AM Eureka, IL Hourly Weather - Clear - 11:00 AM Eureka, IL Hourly Weather - Mostly Clear - 12:00 PM Eureka, IL Hourly Weather - Mostly Clear - 1:00 PM Eureka, IL Hourly Weather - Mostly Clear - 2:00 PM Eureka, IL Hourly Weather - Mostly Clear - 3:00 PM Eureka, IL Hourly Weather - Mostly Clear - 4:00 PM Eureka, IL Hourly Weather - Mostly Clear - 5:00 PM Eureka, IL Hourly Weather - Clear - 6:00 PM Eureka, IL Hourly Weather - Clear - 7:00 PM Eureka, IL Hourly Weather - Clear - 8:00 PM Eureka, IL Hourly Weather - Partly Cloudy - 9:00 PM Eureka, IL Hourly Weather - Partly Cloudy - 10:00 PM Eureka, IL Hourly Weather - Partly Cloudy - 11:00 PM Eureka, IL Hourly Weather - Partly Cloudy - 12:00 AM Eureka, IL Hourly Weather - Partly Cloudy - 1:00 AM
Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Clear Clear Clear Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
80°F27°C 79°F26°C 78°F26°C 78°F26°C 77°F25°C 77°F25°C 80°F27°C 84°F29°C 87°F31°C 90°F32°C 94°F34°C 97°F36°C 98°F37°C 98°F37°C 99°F37°C 96°F36°C 94°F34°C 91°F33°C 88°F31°C 86°F30°C 83°F28°C 82°F28°C 80°F27°C 79°F26°C
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0% 0% 0% 0% 0% 0% 1% 1% 1% 1% 1% 1% 0% 0% 0% 0% 0% 0% 2% 2% 2% 2% 2% 2%
72°F22°C 72°F22°C 72°F22°C 72°F22°C 72°F22°C 72°F22°C 72°F22°C 72°F22°C 72°F22°C 71°F22°C 71°F22°C 70°F21°C 70°F21°C 69°F21°C 69°F21°C 69°F21°C 69°F21°C 69°F21°C 69°F21°C 68°F20°C 68°F20°C 68°F20°C 68°F20°C 68°F20°C
77% 79% 82% 82% 85% 85% 77% 67% 61% 54% 48% 42% 41% 39% 38% 42% 44% 49% 54% 55% 61% 63% 67% 69%
S S SSE SSE SSE SSE SW SW SSW SSW SSW SSW SSW SW SW SW S SSE SSE S S S SSE SW
4 mph 4 mph 4 mph 4 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 6 mph 6 mph 6 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
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POP = Probability of Precipitation. ** Indicates missing data/values from KPIA model statistics.

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Prob Precip % = Probability of Precipitation.

Eureka 36 Hour Forecast

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

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