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Mossy Lake, IL Weather Forecast

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Mossy Lake, IL Weather Forecast

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Mossy Lake IL weather - Clear - 68°F
Clear
68°F
Updated 10:28 pm
Feels Like 75°F
Humidity 85%
Wind N/A N/A mph
Barometer  30.08 in
Dew Point 63°F
Mossy Lake IL weather - Clear - 20°C
Clear
20°C
Updated 10:28 pm
Feels Like 24°C
Humidity 85%
Wind N/A 0 km/h
Barometer  101.9 kPa
Dew Point 17°C
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Mossy Lake Weather Forecast

TONIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT
Mossy Lake, IL Weather - Tonight Clearing Mossy Lake, IL Weather - Sunday Mostly Sunny Mossy Lake, IL Weather - Sunday Night Partly Cloudy Mossy Lake, IL Weather - Monday Sunny Mossy Lake, IL Weather - Monday Night Mostly Clear Mossy Lake, IL Weather - Tuesday Sunny Mossy Lake, IL Weather - Tuesday Night Mostly Clear Mossy Lake, IL Weather - Wednesday Mostly Clear Mossy Lake, IL Weather - Thursday Mostly Clear Mossy Lake, IL Weather - Thursday Night Chance Of T-Storm Mossy Lake, IL Weather - Friday Chance Of T-Storm Mossy Lake, IL Weather - Friday Night Partly Cloudy
Clearing Mostly Sunny Partly Cloudy Sunny Mostly Clear Sunny Mostly Clear Mostly Clear Mostly Clear Chance of T-Storm Chance of T-Storm Partly Cloudy
Lo: 65°FLo: 18°C Hi: 91°FHi: 33°C
 Lo: 71°FLo: 22°C Hi: 99°FHi: 37°C
 Lo: 75°FLo: 24°C Hi: 99°FHi: 37°C
 Hi: 99°FHi: 37°C
Lo: 79°FLo: 26°C		 Hi: 99°FHi: 37°C
Lo: 79°FLo: 26°C		 Hi: 99°FHi: 37°C
Lo: 79°FLo: 26°C		 Lo: 75°FLo: 24°C Hi: 95°FHi: 35°C
 Lo: 71°FLo: 22°C
POP: 20% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 827 PM CDT Sat Aug 29 2026 Mossy Lake, IL Weather - WeatherWorld.com

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Mossy Lake Forecast Discussion

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Issued: 630 PM CDT Sat Aug 29 2026

Key Messages

  • A prolonged late season heatwave is expected Sunday through Thursday. While moderate humidity may mitigate heat impacts slightly, near-record warm actual temperatures (highs 96 to 102 degrees / lows 75 to 80 degrees) are forecast for 3 to 5 consecutive days.

Aviation

/00Z TAFS THROUGH 06Z MONDAY/... Issued at 629 PM CDT Sat Aug 29 2026

Largely VFR flight conditions will prevail this TAF period with the exception of river valley fog across portions of east-central MO and the Ozarks late ...