Jewett, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 78°F 26°C Heat Index: 78°F	Observed at: Jewett, IL	Elevation: 637 ft | 194 m
	Last Updated: July 16, 10:15 PM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 78°F | 26°C
	Pressure: 29.42 in | 996.3 mb	Dewpoint: 76°F | 24°C
	Humidity: 94%	Wind: S 2 mph | S 3 kph
	Feels Like: 88°F | 31°C	Visibility: 24.9 mi | 40 km
	Lat/Long: 39.2078 | -88.2458	Sunrise: 5:40 AM   Sunset: 8:17 PM

7 Day Graphical Forecast

Valid: 10:26 PM 7/16/2026

Tonight Overcast 72 °F 35% Chance Precipitation Friday Foggy 88 |72 °F 28% Chance Precipitation Saturday Overcast 93 |74 °F 40% Chance Precipitation Sunday Showers 83 |70 °F 32% Chance Precipitation Monday Light Drizzle 86 |68 °F 7% Chance Precipitation Tuesday Light Drizzle 90 |65 °F 7% Chance Precipitation Wednesday Overcast 72 |57 °F 4% Chance Precipitation

7 Hour Graphical Forecast

Valid: 10:26 PM 7/16/2026

10 PM Clear 78 °F 1% Chance Precipitation

11 PM Clear 77 °F 2% Chance Precipitation

12 AM Mostly Clear 76 °F 2% Chance Precipitation

1 AM Overcast 75 °F 3% Chance Precipitation

2 AM Partly Cloudy 75 °F 3% Chance Precipitation

3 AM Clear 74 °F 3% Chance Precipitation

4 AM Clear 74 °F 4% Chance Precipitation

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

7 Day & Night Weather Forecast for Jewett, IL - (Fahrenheit & Celsius) Valid: 10:26 PM 7/16/2026 Tonight Overcast with a low around 72°F [22°C]. S wind to around 8 mph [12 kph], with gusts to near 9 mph [14 kph]. Chance of precipitation 35% with QPF of 0.00 in [0.0 mm]. Friday Foggy with a high near 88°F [31°C]. SW wind to around 10 mph [15 kph], with gusts to near 15 mph [24 kph]. Dewpoint near 76°F [24°C] with humidity of 96%. Pressure around 29.42 in [996.3 mb]. UV Index: 7.65. Chance of precipitation 28% with QPF of 0.00 in [0.0 mm]. Friday Night Foggy with a low around 72°F [22°C]. SW wind to around 10 mph [15 kph], with gusts to near 15 mph [24 kph]. Chance of precipitation 28% 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 [24 kph], with gusts to near 27 mph [44 kph]. Dewpoint near 76°F [24°C] with humidity of 90%. Pressure around 29.42 in [996.3 mb]. UV Index: 7.7. Chance of precipitation 40% with QPF of 0.02 in [0.4 mm]. Saturday Night Overcast with a low around 74°F [23°C]. W wind to around 15 mph [24 kph], with gusts to near 27 mph [44 kph]. Chance of precipitation 40% with QPF of 0.02 in [0.4 mm]. Sunday Showers with a high near 83°F [29°C]. NE wind to around 7 mph [12 kph], with gusts to near 16 mph [26 kph]. Dewpoint near 76°F [24°C] with humidity of 97%. Pressure around 29.42 in [996.3 mb]. UV Index: 7.7. Chance of precipitation 32% with QPF of 0.25 in [6.3 mm]. Sunday Night Showers with a low around 70°F [21°C]. NE wind to around 7 mph [12 kph], with gusts to near 16 mph [26 kph]. Chance of precipitation 32% with QPF of 0.25 in [6.3 mm]. Monday Light Drizzle with a high near 86°F [30°C]. SSE wind to around 8 mph [13 kph], with gusts to near 22 mph [35 kph]. Dewpoint near 76°F [24°C] with humidity of 93%. Pressure around 29.42 in [996.3 mb]. UV Index: 7.35. Chance of precipitation 7% with QPF of 0.01 in [0.3 mm]. Monday Night Light Drizzle with a low around 68°F [20°C]. SSE wind to around 8 mph [13 kph], with gusts to near 22 mph [35 kph]. Chance of precipitation 7% with QPF of 0.01 in [0.3 mm]. Tuesday Light Drizzle with a high near 90°F [32°C]. W wind to around 19 mph [30 kph], with gusts to near 34 mph [54 kph]. Dewpoint near 76°F [24°C] with humidity of 93%. Pressure around 29.42 in [996.3 mb]. UV Index: 7.2. Chance of precipitation 7% with QPF of 0.06 in [1.5 mm]. Tuesday Night Light Drizzle with a low around 65°F [18°C]. W wind to around 19 mph [30 kph], with gusts to near 34 mph [54 kph]. Chance of precipitation 7% with QPF of 0.06 in [1.5 mm]. Wednesday Overcast with a high near 72°F [22°C]. NNE wind to around 13 mph [21 kph], with gusts to near 30 mph [49 kph]. Dewpoint near 76°F [24°C] with humidity of 90%. Pressure around 29.42 in [996.3 mb]. UV Index: 7.55. Chance of precipitation 4% with QPF of 0.00 in [0.0 mm]. Wednesday Night Overcast with a low around 57°F [14°C]. NNE wind to around 13 mph [21 kph], with gusts to near 30 mph [49 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 Jewett, 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: 6.3 mm | 0.25 in

Sunday Night: 6.3 mm | 0.25 in

Monday: 0.3 mm | 0.01 in

Monday Night: 0.3 mm | 0.01 in

Tuesday: 1.5 mm | 0.06 in

Tuesday Night: 1.5 mm | 0.06 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 Jewett, IL

Tonight: S @ 12 kph | 8 mph

Friday: SW @ 15 kph | 10 mph

Friday Night: SW @ 15 kph | 10 mph

Saturday: W @ 24 kph | 15 mph

Saturday Night: W @ 24 kph | 15 mph

Sunday: NE @ 12 kph | 7 mph

Sunday Night: NE @ 12 kph | 7 mph

Monday: SSE @ 13 kph | 8 mph

Monday Night: SSE @ 13 kph | 8 mph

Tuesday: W @ 30 kph | 19 mph

Tuesday Night: W @ 30 kph | 19 mph

Wednesday: NNE @ 21 kph | 13 mph

Wednesday Night: NNE @ 21 kph | 13 mph

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

Tonight: 97 %

Friday: 96 %

Friday Night: 96 %

Saturday: 90 %

Saturday Night: 90 %

Sunday: 97 %

Sunday Night: 97 %

Monday: 93 %

Monday Night: 93 %

Tuesday: 93 %

Tuesday Night: 93 %

Wednesday: 90 %

Wednesday Night: 90 %

7 Day and Night - Snowfall Totals Forecast for Jewett, 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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