Weather Alert
Merdian Lake Weather Warning NWS WEATHER ALERT FOR THE MERDIAN LAKE, IL AREA - Issued: 358 PM CDT Tue Sep 8 2026 Merdian Lake Weather Warning

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Merdian Lake, IL Weather - Hour by Hour Forecast

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Merdian Lake, IL Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Partly Cloudy. Temperature is 74°F24°C, dew point 68°F20°C, humidity 81%. Wind direction is N at 0 mph0 km/h with visibility of 10 mi16 km. Barometric pressure is 30.03 in1016 mb.
Today - Mostly cloudy. Showers with a chance of thunderstorms this morning, then a chance of showers this afternoon. Highs around 80. West.. Full Forecast
Tonight - Mostly cloudy. Lows in the mid 60s. Northwest winds around 5 mph... Full Forecast

Merdian Lake Hourly Weather

24 Hour Forecast Scroll
Wed, Sep 09
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Merdian Lake, IL Hourly Weather - Cloudy - 3:00 AM Merdian Lake, IL Hourly Weather - Cloudy - 4:00 AM Merdian Lake, IL Hourly Weather - Cloudy - 5:00 AM Merdian Lake, IL Hourly Weather - Cloudy - 6:00 AM Merdian Lake, IL Hourly Weather - Cloudy - 7:00 AM Merdian Lake, IL Hourly Weather - Cloudy - 8:00 AM Merdian Lake, IL Hourly Weather - Cloudy - 9:00 AM Merdian Lake, IL Hourly Weather - Cloudy - 10:00 AM Merdian Lake, IL Hourly Weather - Cloudy - 11:00 AM Merdian Lake, IL Hourly Weather - Cloudy - 12:00 PM Merdian Lake, IL Hourly Weather - Cloudy - 1:00 PM Merdian Lake, IL Hourly Weather - Cloudy - 2:00 PM Merdian Lake, IL Hourly Weather - Cloudy - 3:00 PM Merdian Lake, IL Hourly Weather - Cloudy - 4:00 PM Merdian Lake, IL Hourly Weather - Cloudy - 5:00 PM Merdian Lake, IL Hourly Weather - Mostly Cloudy - 6:00 PM Merdian Lake, IL Hourly Weather - Mostly Cloudy - 7:00 PM Merdian Lake, IL Hourly Weather - Mostly Cloudy - 8:00 PM Merdian Lake, IL Hourly Weather - Cloudy - 9:00 PM Merdian Lake, IL Hourly Weather - Cloudy - 10:00 PM Merdian Lake, IL Hourly Weather - Cloudy - 11:00 PM Merdian Lake, IL Hourly Weather - Cloudy - 12:00 AM Merdian Lake, IL Hourly Weather - Cloudy - 1:00 AM Merdian Lake, IL Hourly Weather - Cloudy - 2:00 AM
Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
72°F22°C 71°F22°C 70°F21°C 70°F21°C 69°F21°C 71°F22°C 74°F23°C 76°F24°C 78°F26°C 79°F26°C 81°F27°C 81°F27°C 81°F27°C 81°F27°C 79°F26°C 78°F26°C 76°F24°C 74°F23°C 72°F22°C 70°F21°C 69°F21°C 69°F21°C 68°F20°C 67°F19°C
Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain - - - - - - - - - - - - Rain
61% 61% 61% 61% 61% 83% 83% 83% 83% 83% 83% 9% 9% 9% 9% 9% 9% 11% 11% 11% 11% 11% 11% 23%
63°F17°C 63°F17°C 63°F17°C 64°F18°C 64°F18°C 65°F18°C 67°F19°C 68°F20°C 68°F20°C 68°F20°C 68°F20°C 68°F20°C 69°F21°C 69°F21°C 69°F21°C 70°F21°C 70°F21°C 69°F21°C 69°F21°C 68°F20°C 67°F19°C 67°F19°C 66°F19°C 65°F18°C
73% 76% 79% 81% 84% 81% 79% 76% 71% 69% 65% 65% 67% 67% 72% 77% 82% 84% 90% 93% 93% 93% 93% 93%
S S S S S SSE SW SSW SSW SSW W W W WNW NW NW NNW SW ESE N N N N N
2 mph 2 mph 2 mph 1 mph 1 mph 1 mph 3 mph 3 mph 3 mph 4 mph 4 mph 4 mph 6 mph 6 mph 6 mph 1 mph 1 mph 1 mph 0 mph 0 mph 0 mph 0 mph 0 mph 0 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 5 mi8 km 3 mi5 km .5 mi1 km .5 mi1 km
Hour (CDT)
Weather
Clouds
Temperature
Precip. Type
POP
Dewpoint
Humidity
Wind Direction
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Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KC75 model statistics.

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Prob Precip % = Probability of Precipitation.

Merdian Lake 36 Hour Forecast

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

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