Hewittsville, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 78°F 26°C Heat Index: 78°F	Observed at: Hewittsville, IL	Elevation: 680 ft | 207 m
	Last Updated: July 16, 10:30 PM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 78°F | 26°C
	Pressure: 29.37 in | 994.7 mb	Dewpoint: 74°F | 23°C
	Humidity: 87%	Wind: SE 4 mph | SE 6 kph
	Feels Like: 87°F | 31°C	Visibility: 30.4 mi | 48.9 km
	Lat/Long: 39.5372 | -89.3139	Sunrise: 5:43 AM   Sunset: 8:23 PM

7 Day Graphical Forecast

Valid: 10:34 PM 7/16/2026

Tonight Overcast 72 °F 23% Chance Precipitation Friday Overcast 92 |73 °F 21% Chance Precipitation Saturday Overcast 94 |76 °F 41% Chance Precipitation Sunday Light Showers 84 |72 °F 30% Chance Precipitation Monday Light Showers 89 |69 °F 5% Chance Precipitation Tuesday Overcast 89 |67 °F 13% Chance Precipitation Wednesday Partly Cloudy 72 |53 °F 4% Chance Precipitation

7 Hour Graphical Forecast

Valid: 10:34 PM 7/16/2026

10 PM Clear 79 °F 2% Chance Precipitation

11 PM Clear 78 °F 5% Chance Precipitation

12 AM Overcast 77 °F 5% Chance Precipitation

1 AM Mostly Clear 76 °F 5% Chance Precipitation

2 AM Clear 75 °F 4% Chance Precipitation

3 AM Clear 75 °F 4% Chance Precipitation

4 AM Clear 74 °F 6% Chance Precipitation

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

7 Day & Night Weather Forecast for Hewittsville, IL - (Fahrenheit & Celsius) Valid: 10:34 PM 7/16/2026 Tonight Overcast with a low around 72°F [22°C]. S wind to around 6 mph [10 kph], with gusts to near 8 mph [13 kph]. Chance of precipitation 23% with QPF of 0.00 in [0.0 mm]. Friday Overcast with a high near 92°F [33°C]. WSW wind to around 12 mph [19 kph], with gusts to near 18 mph [29 kph]. Dewpoint near 74°F [23°C] with humidity of 96%. Pressure around 29.37 in [994.7 mb]. UV Index: 7. Chance of precipitation 21% 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 18 mph [29 kph]. Chance of precipitation 21% with QPF of 0.00 in [0.0 mm]. Saturday Overcast with a high near 94°F [34°C]. W wind to around 15 mph [24 kph], with gusts to near 28 mph [45 kph]. Dewpoint near 74°F [23°C] with humidity of 90%. Pressure around 29.37 in [994.7 mb]. UV Index: 7.7. Chance of precipitation 41% with QPF of 0.02 in [0.4 mm]. Saturday Night Overcast with a low around 76°F [24°C]. W wind to around 15 mph [24 kph], with gusts to near 28 mph [45 kph]. Chance of precipitation 41% with QPF of 0.02 in [0.4 mm]. Sunday Light Showers with a high near 84°F [29°C]. E wind to around 9 mph [14 kph], with gusts to near 17 mph [27 kph]. Dewpoint near 74°F [23°C] with humidity of 97%. Pressure around 29.37 in [994.7 mb]. UV Index: 7.7. Chance of precipitation 30% with QPF of 0.06 in [1.6 mm]. Sunday Night Light Showers with a low around 72°F [22°C]. E wind to around 9 mph [14 kph], with gusts to near 17 mph [27 kph]. Chance of precipitation 30% with QPF of 0.06 in [1.6 mm]. Monday Light Showers with a high near 89°F [32°C]. S wind to around 9 mph [15 kph], with gusts to near 27 mph [44 kph]. Dewpoint near 74°F [23°C] with humidity of 90%. Pressure around 29.37 in [994.7 mb]. UV Index: 7.7. Chance of precipitation 5% with QPF of 0.18 in [4.6 mm]. Monday Night Light Showers with a low around 69°F [21°C]. S wind to around 9 mph [15 kph], with gusts to near 27 mph [44 kph]. Chance of precipitation 5% with QPF of 0.18 in [4.6 mm]. Tuesday Overcast with a high near 89°F [32°C]. W wind to around 17 mph [27 kph], with gusts to near 37 mph [60 kph]. Dewpoint near 74°F [23°C] with humidity of 89%. Pressure around 29.37 in [994.7 mb]. UV Index: 7.1. Chance of precipitation 13% with QPF of 0.00 in [0.0 mm]. Tuesday Night Overcast with a low around 67°F [19°C]. W wind to around 17 mph [27 kph], with gusts to near 37 mph [60 kph]. Chance of precipitation 13% with QPF of 0.00 in [0.0 mm]. Wednesday Partly Cloudy with a high near 72°F [22°C]. NNE wind to around 13 mph [20 kph], with gusts to near 28 mph [45 kph]. Dewpoint near 74°F [23°C] with humidity of 90%. Pressure around 29.37 in [994.7 mb]. UV Index: 7.6. Chance of precipitation 4% with QPF of 0.00 in [0.0 mm]. Wednesday Night Partly Cloudy with a low around 53°F [12°C]. NNE wind to around 13 mph [20 kph], with gusts to near 28 mph [45 kph]. Chance of precipitation 4% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Hewittsville, IL

Tonight: 0.0 mm | 0.00 in

Friday: 0.0 mm | 0.00 in

Friday Night: 0.0 mm | 0.00 in

Saturday: 0.4 mm | 0.02 in

Saturday Night: 0.4 mm | 0.02 in

Sunday: 1.6 mm | 0.06 in

Sunday Night: 1.6 mm | 0.06 in

Monday: 4.6 mm | 0.18 in

Monday Night: 4.6 mm | 0.18 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 Hewittsville, IL

Tonight: S @ 10 kph | 6 mph

Friday: WSW @ 19 kph | 12 mph

Friday Night: WSW @ 19 kph | 12 mph

Saturday: W @ 24 kph | 15 mph

Saturday Night: W @ 24 kph | 15 mph

Sunday: E @ 14 kph | 9 mph

Sunday Night: E @ 14 kph | 9 mph

Monday: S @ 15 kph | 9 mph

Monday Night: S @ 15 kph | 9 mph

Tuesday: W @ 27 kph | 17 mph

Tuesday Night: W @ 27 kph | 17 mph

Wednesday: NNE @ 20 kph | 13 mph

Wednesday Night: NNE @ 20 kph | 13 mph

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

Tonight: 90 %

Friday: 96 %

Friday Night: 96 %

Saturday: 90 %

Saturday Night: 90 %

Sunday: 97 %

Sunday Night: 97 %

Monday: 90 %

Monday Night: 90 %

Tuesday: 89 %

Tuesday Night: 89 %

Wednesday: 90 %

Wednesday Night: 90 %

7 Day and Night - Snowfall Totals Forecast for Hewittsville, 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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