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Washington School, IL Weather Forecast

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Washington School, IL Weather Forecast

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Washington School IL weather - Clear - 66°F
Clear
66°F
Updated 5:23 pm
Feels Like 58°F
Humidity 34%
Wind SSE 8 mph
Barometer  30.37 in
Dew Point 37°F
Washington School IL weather - Clear - 19°C
Clear
19°C
Updated 5:23 pm
Feels Like 14°C
Humidity 34%
Wind SSE 13 km/h
Barometer  102.8 kPa
Dew Point 3°C
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Washington School Weather Forecast

TONIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY FRIDAY FRIDAY NIGHT SATURDAY SUNDAY
Washington School, IL Weather - Tonight Clear Washington School, IL Weather - Monday Sunny Washington School, IL Weather - Monday Night Partly Cloudy Washington School, IL Weather - Tuesday Mostly Sunny Washington School, IL Weather - Tuesday Night Mostly Clear Washington School, IL Weather - Wednesday Sunny Washington School, IL Weather - Wednesday Night Clear Washington School, IL Weather - Thursday Clear Washington School, IL Weather - Friday Mostly Clear Washington School, IL Weather - Friday Night Mostly Clear Washington School, IL Weather - Saturday Partly Cloudy Washington School, IL Weather - Sunday Partly Cloudy
Clear Sunny Partly Cloudy Mostly Sunny Mostly Clear Sunny Clear Clear Mostly Clear Mostly Clear Partly Cloudy Partly Cloudy
Lo: 40°FLo: 4°C Hi: 71°FHi: 22°C
 Lo: 41°FLo: 5°C Hi: 75°FHi: 24°C
 Lo: 45°FLo: 7°C Hi: 79°FHi: 26°C
 Hi: 79°FHi: 26°C
Lo: 49°FLo: 9°C		 Hi: 79°FHi: 26°C
Lo: 49°FLo: 9°C		 Hi: 75°FHi: 24°C
Lo: 49°FLo: 9°C		 Hi: 75°FHi: 24°C
Lo: 49°FLo: 9°C		 Hi: 79°FHi: 26°C
Lo: 51°FLo: 11°C		 Hi: 79°FHi: 26°C
Lo: 51°FLo: 11°C
POP = Probability of Precipitation.
Weather Outlook Updated: 258 PM CDT Sun Oct 18 2026 Washington School, IL Weather - WeatherWorld.com

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Issued: 224 PM CDT Sun Oct 18 2026

Key Messages

  • A gradual warmup to seasonably warm temperatures with dry conditions is expected this week.

Aviation

/18Z TAFS THROUGH 00Z TUESDAY/... Issued at 1207 PM CDT Sun Oct 18 2026

Light southerly surface winds become light and variable for the St. Louis metro terminals and KJEF after sunset this evening. Similar to last night, river valley locations are forecast to reach the mid/upper 30s. This coupled with calm winds should allow steam fog to form on area waterways again. Confidence in visibi...