Anderson, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Overcast 79°F 26°C Heat Index: 79°F	Observed at: Anderson, IL	Elevation: 655 ft | 200 m
	Last Updated: July 16, 10:15 PM Timezone: GMT -5/-4
	Sky Conditions: Overcast	Temperature: 79°F | 26°C
	Pressure: 29.34 in | 993.6 mb	Dewpoint: 73°F | 23°C
	Humidity: 83%	Wind: SSE 4 mph | SSE 6 kph
	Feels Like: 87°F | 31°C	Visibility: 33.4 mi | 53.8 km
	Lat/Long: 39.3439 | -89.845	Sunrise: 5:46 AM   Sunset: 8:24 PM

7 Day Graphical Forecast

Valid: 10:16 PM 7/16/2026

Tonight Overcast 73 °F 40% Chance Precipitation Friday Overcast 91 |73 °F 18% Chance Precipitation Saturday Overcast 93 |74 °F 36% Chance Precipitation Sunday Light Showers 84 |71 °F 24% Chance Precipitation Monday Heavy Drizzle 91 |69 °F 5% Chance Precipitation Tuesday Overcast 90 |66 °F 10% Chance Precipitation Wednesday Partly Cloudy 71 |55 °F 3% Chance Precipitation

7 Hour Graphical Forecast

Valid: 10:16 PM 7/16/2026

10 PM Overcast 79 °F 3% Chance Precipitation

11 PM Overcast 78 °F 4% Chance Precipitation

12 AM Overcast 77 °F 4% Chance Precipitation

1 AM Overcast 76 °F 4% Chance Precipitation

2 AM Partly Cloudy 76 °F 4% Chance Precipitation

3 AM Mostly Clear 75 °F 5% Chance Precipitation

4 AM Partly Cloudy 75 °F 6% Chance Precipitation

7 Day Textual Forecast - with QPF, Max Wind, Humidity, Snowfall & UV Index

7 Day & Night Weather Forecast for Anderson, IL - (Fahrenheit & Celsius) Valid: 10:16 PM 7/16/2026 Tonight Overcast with a low around 73°F [23°C]. ESE wind to around 9 mph [14 kph], with gusts to near 13 mph [21 kph]. Chance of precipitation 40% with QPF of 0.00 in [0.0 mm]. Friday Overcast with a high near 91°F [33°C]. WSW wind to around 12 mph [19 kph], with gusts to near 20 mph [32 kph]. Dewpoint near 73°F [23°C] with humidity of 95%. Pressure around 29.34 in [993.6 mb]. UV Index: 7.7. Chance of precipitation 18% with QPF of 0.00 in [0.0 mm]. Friday Night Overcast with a low around 73°F [23°C]. WSW wind to around 12 mph [19 kph], with gusts to near 20 mph [32 kph]. Chance of precipitation 18% with QPF of 0.00 in [0.0 mm]. Saturday Overcast with a high near 93°F [34°C]. W wind to around 15 mph [23 kph], with gusts to near 26 mph [42 kph]. Dewpoint near 73°F [23°C] with humidity of 84%. Pressure around 29.34 in [993.6 mb]. UV Index: 7.8. Chance of precipitation 36% with QPF of 0.00 in [0.1 mm]. Saturday Night Overcast with a low around 74°F [23°C]. W wind to around 15 mph [23 kph], with gusts to near 26 mph [42 kph]. Chance of precipitation 36% with QPF of 0.00 in [0.1 mm]. Sunday Light Showers with a high near 84°F [29°C]. ENE wind to around 9 mph [14 kph], with gusts to near 19 mph [30 kph]. Dewpoint near 73°F [23°C] with humidity of 97%. Pressure around 29.34 in [993.6 mb]. UV Index: 5.6. Chance of precipitation 24% with QPF of 0.34 in [8.7 mm]. Sunday Night Light Showers with a low around 71°F [22°C]. ENE wind to around 9 mph [14 kph], with gusts to near 19 mph [30 kph]. Chance of precipitation 24% with QPF of 0.34 in [8.7 mm]. Monday Heavy Drizzle with a high near 91°F [33°C]. S wind to around 10 mph [15 kph], with gusts to near 26 mph [42 kph]. Dewpoint near 73°F [23°C] with humidity of 95%. Pressure around 29.34 in [993.6 mb]. UV Index: 7.7. Chance of precipitation 5% with QPF of 0.05 in [1.2 mm]. Monday Night Heavy Drizzle with a low around 69°F [21°C]. S wind to around 10 mph [15 kph], with gusts to near 26 mph [42 kph]. Chance of precipitation 5% with QPF of 0.05 in [1.2 mm]. Tuesday Overcast with a high near 90°F [32°C]. W wind to around 17 mph [28 kph], with gusts to near 38 mph [61 kph]. Dewpoint near 73°F [23°C] with humidity of 85%. Pressure around 29.34 in [993.6 mb]. UV Index: 7. Chance of precipitation 10% with QPF of 0.00 in [0.0 mm]. Tuesday Night Overcast with a low around 66°F [19°C]. W wind to around 17 mph [28 kph], with gusts to near 38 mph [61 kph]. Chance of precipitation 10% with QPF of 0.00 in [0.0 mm]. Wednesday Partly Cloudy with a high near 71°F [22°C]. NNE wind to around 12 mph [19 kph], with gusts to near 29 mph [46 kph]. Dewpoint near 73°F [23°C] with humidity of 90%. Pressure around 29.34 in [993.6 mb]. UV Index: 7.55. Chance of precipitation 3% with QPF of 0.00 in [0.0 mm]. Wednesday Night Partly Cloudy with a low around 55°F [13°C]. NNE wind to around 12 mph [19 kph], with gusts to near 29 mph [46 kph]. Chance of precipitation 3% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Anderson, IL

Tonight: 0.0 mm | 0.00 in

Friday: 0.0 mm | 0.00 in

Friday Night: 0.0 mm | 0.00 in

Saturday: 0.1 mm | 0.00 in

Saturday Night: 0.1 mm | 0.00 in

Sunday: 8.7 mm | 0.34 in

Sunday Night: 8.7 mm | 0.34 in

Monday: 1.2 mm | 0.05 in

Monday Night: 1.2 mm | 0.05 in

Tuesday: 0.0 mm | 0.00 in

Tuesday Night: 0.0 mm | 0.00 in

Wednesday: 0.0 mm | 0.00 in

Wednesday Night: 0.0 mm | 0.00 in

7 Day and Night - Maximum Wind Speed Forecast for Anderson, IL

Tonight: ESE @ 14 kph | 9 mph

Friday: WSW @ 19 kph | 12 mph

Friday Night: WSW @ 19 kph | 12 mph

Saturday: W @ 23 kph | 15 mph

Saturday Night: W @ 23 kph | 15 mph

Sunday: ENE @ 14 kph | 9 mph

Sunday Night: ENE @ 14 kph | 9 mph

Monday: S @ 15 kph | 10 mph

Monday Night: S @ 15 kph | 10 mph

Tuesday: W @ 28 kph | 17 mph

Tuesday Night: W @ 28 kph | 17 mph

Wednesday: NNE @ 19 kph | 12 mph

Wednesday Night: NNE @ 19 kph | 12 mph

7 Day and Night - Maximum Humidity Forecast for Anderson, IL

Tonight: 90 %

Friday: 95 %

Friday Night: 95 %

Saturday: 84 %

Saturday Night: 84 %

Sunday: 97 %

Sunday Night: 97 %

Monday: 95 %

Monday Night: 95 %

Tuesday: 85 %

Tuesday Night: 85 %

Wednesday: 90 %

Wednesday Night: 90 %

7 Day and Night - Snowfall Totals Forecast for Anderson, IL

Tonight: 0.0 cm | 0.00 in

Friday: 0.0 cm | 0.00 in

Friday Night: 0.0 cm | 0.00 in

Saturday: 0.0 cm | 0.00 in

Saturday Night: 0.0 cm | 0.00 in

Sunday: 0.0 cm | 0.00 in

Sunday Night: 0.0 cm | 0.00 in

Monday: 0.0 cm | 0.00 in

Monday Night: 0.0 cm | 0.00 in

Tuesday: 0.0 cm | 0.00 in

Tuesday Night: 0.0 cm | 0.00 in

Wednesday: 0.0 cm | 0.00 in

Wednesday Night: 0.0 cm | 0.00 in

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