Lower Flat Lake, IL 14 Day Weather

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Lower Flat Lake, IL Weather - 14-Day Weather Forecast

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Lower Flat Lake IL Weather - Overcast - 66°F
Overcast
66°F
Updated 10:34 pm
Feels Like 59°F
Humidity 69%
Wind ENE 10 mph
Barometer  30.27 in
Dew Point 56°F
Lower Flat Lake IL Weather - Overcast - 19°C
Overcast
19°C
Updated 10:34 pm
Feels Like 15°C
Humidity 69%
Wind ENE 16 km/h
Barometer  102.5 kPa
Dew Point 13°C
Lower Flat Lake, IL Weather and Current Conditionslower flat lake il weather forecast

Lower Flat Lake, IL Weather Forecast

Lower Flat Lake Illinois WeatherLower Flat Lake, Illinois Weather Weather Forecast
Here is the API 14 day weather forecast for Lower Flat Lake. Note: The 7-day Lower Flat Lake weather forecast is the most reliable and accurate weather forecast. This template should only be used as a probable scenario. Forecasting weather beyond the next 7 days is a challenge.
Lower Flat Lake, IL Weather Forecast Dated: 1034 PM Wed Sep 23 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.

Wednesday, September 23, 2026

Mid-Morning
Lower Flat Lake Weather - 2026-09-23 - Morning - Sunny
61°F 16°C
Sunny
Mid-Afternoon
Lower Flat Lake Weather - 2026-09-23 - Afternoon - Partly Cloudy
73°F 23°C
Partly Cloudy
Early-Evening
Lower Flat Lake Weather - 2026-09-23 - Evening - Overcast
66°F 19°C
Overcast
Pleasant near 73°F 23°C, sunny in the morning, partly cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure. Winds turning from the NNE to the NE at 10 mph 16 km/h.

Thursday, September 24, 2026

Mid-Morning
Lower Flat Lake Weather - 2026-09-24 - Morning - Sunny
61°F 16°C
Sunny
Mid-Afternoon
Lower Flat Lake Weather - 2026-09-24 - Afternoon - Overcast
77°F 25°C
Overcast
Early-Evening
Lower Flat Lake Weather - 2026-09-24 - Evening - Overcast
71°F 21°C
Overcast
Comfortable with temperatures reaching 77°F 25°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and steady pressure.

Friday, September 25, 2026

Mid-Morning
Lower Flat Lake Weather - 2026-09-25 - Morning - Overcast
64°F 18°C
Overcast
Mid-Afternoon
Lower Flat Lake Weather - 2026-09-25 - Afternoon - Overcast
68°F 20°C
Overcast
Early-Evening
Lower Flat Lake Weather - 2026-09-25 - Evening - Overcast
64°F 18°C
Overcast
Enjoyable around 68°F 20°C, overcast throughout the day, with steady humidity and steady pressure.

Saturday, September 26, 2026

Mid-Morning
Lower Flat Lake Weather - 2026-09-26 - Morning - Scattered Showers
60°F 15°C
Scattered Showers
Mid-Afternoon
Lower Flat Lake Weather - 2026-09-26 - Afternoon - Overcast
61°F 16°C
Overcast
Early-Evening
Lower Flat Lake Weather - 2026-09-26 - Evening - Overcast
61°F 16°C
Overcast
Cool with a high near 61°F 16°C, periods of heavy rain and gusty conditions, with increasing humidity and steady pressure.

Sunday, September 27, 2026

Mid-Morning
Lower Flat Lake Weather - 2026-09-27 - Morning - Overcast
61°F 16°C
Overcast
Mid-Afternoon
Lower Flat Lake Weather - 2026-09-27 - Afternoon - Overcast
74°F 23°C
Overcast
Early-Evening
Lower Flat Lake Weather - 2026-09-27 - Evening - Cloudy
69°F 20°C
Cloudy
Mild with a high of 74°F 23°C, overcast through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds switching from the SE to the ENE at 5 mph 8 km/h.

Monday, September 28, 2026

Mid-Morning
Lower Flat Lake Weather - 2026-09-28 - Morning - Cloudy
63°F 17°C
Cloudy
Mid-Afternoon
Lower Flat Lake Weather - 2026-09-28 - Afternoon - Sunny
78°F 25°C
Sunny
Early-Evening
Lower Flat Lake Weather - 2026-09-28 - Evening - Overcast
71°F 22°C
Overcast
Pleasant near 78°F 25°C, overcast in the morning, cloudy in the afternoon, and partly cloudy this evening, with lower humidity and barometric pressure falling. Winds moving from the SE to the ESE at 7 mph 11 km/h.

Tuesday, September 29, 2026

Mid-Morning
Lower Flat Lake Weather - 2026-09-29 - Morning - Light Showers
63°F 17°C
Light Showers
Mid-Afternoon
Lower Flat Lake Weather - 2026-09-29 - Afternoon - Heavy Rain Showers
66°F 19°C
Heavy Rain Showers
Early-Evening
Lower Flat Lake Weather - 2026-09-29 - Evening - Light Showers
68°F 20°C
Light Showers
Comfortable at 66°F 19°C, rounds of showers expected off and on all day, with increasing humidity and barometric pressure falling. Winds swinging from the SE to the S at 16 mph 25 km/h. Gusts up to 33 mph 52 km/h.

Wednesday, September 30, 2026

Mid-Morning
Lower Flat Lake Weather - 2026-09-30 - Morning - Scattered Showers
56°F 13°C
Scattered Showers
Mid-Afternoon
Lower Flat Lake Weather - 2026-09-30 - Afternoon - Sunny
65°F 18°C
Sunny
Early-Evening
Lower Flat Lake Weather - 2026-09-30 - Evening - Sunny
60°F 16°C
Sunny
Cool with a high near 65°F 18°C, scattered downpours possible, with lower humidity and barometric pressure rising. Winds blowing from the NW at 19 mph 30 km/h. Gusts up to 21 mph 33 km/h.

Thursday, October 1, 2026

Mid-Morning
Lower Flat Lake Weather - 2026-10-01 - Morning - Sunny
57°F 14°C
Sunny
Mid-Afternoon
Lower Flat Lake Weather - 2026-10-01 - Afternoon - Sunny
71°F 22°C
Sunny
Early-Evening
Lower Flat Lake Weather - 2026-10-01 - Evening - Cloudy
64°F 18°C
Cloudy
Mild temperatures up to 71°F 22°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure.

Friday, October 2, 2026

Mid-Morning
Lower Flat Lake Weather - 2026-10-02 - Morning - Overcast
61°F 16°C
Overcast
Mid-Afternoon
Lower Flat Lake Weather - 2026-10-02 - Afternoon - Overcast
73°F 23°C
Overcast
Early-Evening
Lower Flat Lake Weather - 2026-10-02 - Evening - Sunny
66°F 19°C
Sunny
Mild with a high of 73°F 23°C, cloudy in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and steady pressure.

Saturday, October 3, 2026

Mid-Morning
Lower Flat Lake Weather - 2026-10-03 - Morning - Partly Cloudy
62°F 17°C
Partly Cloudy
Mid-Afternoon
Lower Flat Lake Weather - 2026-10-03 - Afternoon - Sunny
72°F 22°C
Sunny
Early-Evening
Lower Flat Lake Weather - 2026-10-03 - Evening - Sunny
63°F 17°C
Sunny
Pleasant near 72°F 22°C, sunny throughout the day, with steady humidity and steady pressure. Winds turning from the NNW to the ESE at 14 mph 23 km/h. Gusts up to 26 mph 42 km/h.

Sunday, October 4, 2026

Mid-Morning
Lower Flat Lake Weather - 2026-10-04 - Morning - Cloudy
51°F 11°C
Cloudy
Mid-Afternoon
Lower Flat Lake Weather - 2026-10-04 - Afternoon - Overcast
58°F 14°C
Overcast
Early-Evening
Lower Flat Lake Weather - 2026-10-04 - Evening - Overcast
48°F 9°C
Overcast
Cool with a high near 58°F 14°C, cloudy in the morning, becoming overcast through the afternoon and evening, with increasing humidity and steady pressure. Winds switching from the N to the WSW at 15 mph 24 km/h. Gusts up to 25 mph 40 km/h.

Monday, October 5, 2026

Mid-Morning
Lower Flat Lake Weather - 2026-10-05 - Morning - Overcast
46°F 8°C
Overcast
Mid-Afternoon
Lower Flat Lake Weather - 2026-10-05 - Afternoon - Sunny
56°F 13°C
Sunny
Early-Evening
Lower Flat Lake Weather - 2026-10-05 - Evening - Partly Cloudy
52°F 11°C
Partly Cloudy
Brisk around 56°F 13°C, overcast in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds blowing from the N at 11 mph 18 km/h.

Tuesday, October 6, 2026

Mid-Morning
Lower Flat Lake Weather - 2026-10-06 - Morning - Sunny
49°F 9°C
Sunny
Mid-Afternoon
Lower Flat Lake Weather - 2026-10-06 - Afternoon - Cloudy
62°F 17°C
Cloudy
Early-Evening
Lower Flat Lake Weather - 2026-10-06 - Evening - Sunny
56°F 13°C
Sunny
Mildly cool near 62°F 17°C, partly cloudy through the afternoon, turning sunny this evening, with lower humidity and steady pressure.

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Weather by the Numbers

Wed, 23rd
Lower Flat Lake IL Weather - Wednesday, Sep 23, 2026 - Overcast
Hi: 73°F 23°C
Lo: 55°F 13°C
Sunrise 06:51 AM
Sunset 06:57 PM
Wind NE 11 mph17 km/h
Dew Point 52°F11°C
uv Index 4
Barometric Pressure 30.27 in1025 mb
POP 14% *
Humidity 58%
Thu, 24th
Lower Flat Lake IL Weather - Thursday, Sep 24, 2026 - Sunny
Hi: 77°F 25°C
Lo: 55°F 13°C
Sunrise 06:52 AM
Sunset 06:56 PM
Wind ENE 7 mph11 km/h
Dew Point 54°F12°C
uv Index 6
Barometric Pressure 30.24 in1024 mb
POP 3% *
Humidity 53%
Fri, 25th
Lower Flat Lake IL Weather - Friday, Sep 25, 2026 - Overcast
Hi: 71°F 22°C
Lo: 61°F 16°C
Sunrise 06:53 AM
Sunset 06:54 PM
Wind E 5 mph9 km/h
Dew Point 56°F13°C
uv Index 2
Barometric Pressure 30.18 in1022 mb
POP 14% *
Humidity 58%
Sat, 26th
Lower Flat Lake IL Weather - Saturday, Sep 26, 2026 - Patchy Rain Nearby
Hi: 62°F 17°C
Lo: 59°F 15°C
Sunrise 06:54 AM
Sunset 06:53 PM
Wind SSE 6 mph9 km/h
Dew Point 53°F12°C
uv Index 1
Barometric Pressure 30.15 in1021 mb
POP 23% *
Humidity 77%
Sun, 27th
Lower Flat Lake IL Weather - Sunday, Sep 27, 2026 - Overcast
Hi: 74°F 23°C
Lo: 57°F 14°C
Sunrise 06:55 AM
Sunset 06:51 PM
Wind ESE 7 mph11 km/h
Dew Point 43°F6°C
uv Index 3
Barometric Pressure 30.09 in1019 mb
POP 10% *
Humidity 36%
Mon, 28th
Lower Flat Lake IL Weather - Monday, Sep 28, 2026 - Partly Cloudy
Hi: 78°F 25°C
Lo: 56°F 13°C
Sunrise 06:55 AM
Sunset 06:49 PM
Wind SE 10 mph15 km/h
Dew Point 48°F9°C
uv Index 6
Barometric Pressure 30 in1016 mb
POP 4% *
Humidity 39%
Tue, 29th
Lower Flat Lake IL Weather - Tuesday, Sep 29, 2026 - Light Rain Shower
Hi: 68°F 20°C
Lo: 62°F 16°C
Sunrise 06:56 AM
Sunset 06:48 PM
Wind SSE 14 mph23 km/h
Dew Point 63°F17°C
uv Index 4
Barometric Pressure 29.74 in1007 mb
POP 88% *
Humidity 97%
Wed, 30th
Lower Flat Lake IL Weather - Wednesday, Sep 30, 2026 - Partly Cloudy
Hi: 66°F 19°C
Lo: 55°F 13°C
Sunrise 06:57 AM
Sunset 06:46 PM
Wind NW 19 mph31 km/h
Dew Point 47°F8°C
uv Index 5
Barometric Pressure 29.8 in1009 mb
POP 5% *
Humidity 61%
Thu, 1st
Lower Flat Lake IL Weather - Thursday, Oct 1, 2026 - Sunny
Hi: 71°F 22°C
Lo: 50°F 10°C
Sunrise 06:58 AM
Sunset 06:45 PM
Wind WSW 5 mph8 km/h
Dew Point 44°F7°C
uv Index 5
Barometric Pressure 30.03 in1017 mb
POP 2% *
Humidity 46%
Fri, 2nd
Lower Flat Lake IL Weather - Friday, Oct 2, 2026 - Cloudy
Hi: 74°F 23°C
Lo: 55°F 13°C
Sunrise 06:59 AM
Sunset 06:43 PM
Wind S 9 mph14 km/h
Dew Point 44°F7°C
uv Index 5
Barometric Pressure 29.97 in1015 mb
POP 9% *
Humidity 42%
Sat, 3rd
Lower Flat Lake IL Weather - Saturday, Oct 3, 2026 - Sunny
Hi: 72°F 22°C
Lo: 55°F 13°C
Sunrise 07:00 AM
Sunset 06:41 PM
Wind ESE 8 mph13 km/h
Dew Point 51°F10°C
uv Index 6
Barometric Pressure 29.97 in1015 mb
POP 2% *
Humidity 51%
Sun, 4th
Lower Flat Lake IL Weather - Sunday, Oct 4, 2026 - Cloudy
Hi: 62°F 17°C
Lo: 46°F 8°C
Sunrise 07:01 AM
Sunset 06:40 PM
Wind WSW 14 mph22 km/h
Dew Point 40°F5°C
uv Index 3
Barometric Pressure 30.12 in1020 mb
POP 11% *
Humidity 50%
Mon, 5th
Lower Flat Lake IL Weather - Monday, Oct 5, 2026 - Overcast
Hi: 58°F 14°C
Lo: 46°F 8°C
Sunrise 07:02 AM
Sunset 06:38 PM
Wind N 12 mph19 km/h
Dew Point 42°F6°C
uv Index 3
Barometric Pressure 30.15 in1021 mb
POP 12% *
Humidity 75%
Tue, 6th
Lower Flat Lake IL Weather - Tuesday, Oct 6, 2026 - Partly Cloudy
Hi: 63°F 17°C
Lo: 42°F 6°C
Sunrise 07:03 AM
Sunset 06:37 PM
Wind NNW 3 mph5 km/h
Dew Point 36°F2°C
uv Index 4
Barometric Pressure 30.27 in1025 mb
POP 7% *
Humidity 44%
* POP = Probability of Precipitation. Data for 12:00 PM.