Plattville, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 77°F 25°C Heat Index: 77°F	Observed at: Plattville, IL	Elevation: 939 ft | 286 m
	Last Updated: July 16, 10:30 PM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 77°F | 25°C
	Pressure: 29.4 in | 995.7 mb	Dewpoint: 65°F | 18°C
	Humidity: 66%	Wind: NNE 4 mph | NNE 6 kph
	Feels Like: 81°F | 27°C	Visibility: 42.6 mi | 68.6 km
	Lat/Long: 41.5317 | -88.3814	Sunrise: 5:33 AM   Sunset: 8:25 PM

7 Day Graphical Forecast

Valid: 10:37 PM 7/16/2026

Tonight Overcast 74 °F 15% Chance Precipitation Friday Overcast 91 |71 °F 21% Chance Precipitation Saturday Overcast 90 |70 °F 50% Chance Precipitation Sunday Overcast 83 |65 °F 9% Chance Precipitation Monday Overcast 83 |63 °F 42% Chance Precipitation Tuesday Overcast 83 |64 °F 42% Chance Precipitation Wednesday Overcast 72 |50 °F 3% Chance Precipitation

7 Hour Graphical Forecast

Valid: 10:37 PM 7/16/2026

10 PM Clear 78 °F 3% Chance Precipitation

11 PM Clear 76 °F 3% Chance Precipitation

12 AM Clear 75 °F 6% Chance Precipitation

1 AM Clear 74 °F 6% Chance Precipitation

2 AM Clear 73 °F 4% Chance Precipitation

3 AM Clear 72 °F 3% Chance Precipitation

4 AM Clear 72 °F 3% Chance Precipitation

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

7 Day & Night Weather Forecast for Plattville, IL - (Fahrenheit & Celsius) Valid: 10:37 PM 7/16/2026 Tonight Overcast with a low around 74°F [24°C]. N wind to around 10 mph [15 kph], with gusts to near 15 mph [23 kph]. Chance of precipitation 15% with QPF of 0.00 in [0.0 mm]. Friday Overcast with a high near 91°F [33°C]. WSW wind to around 10 mph [16 kph], with gusts to near 17 mph [27 kph]. Dewpoint near 65°F [18°C] with humidity of 91%. Pressure around 29.40 in [995.7 mb]. UV Index: 7.5. Chance of precipitation 21% with QPF of 0.00 in [0.0 mm]. Friday Night Overcast with a low around 71°F [22°C]. WSW wind to around 10 mph [16 kph], with gusts to near 17 mph [27 kph]. Chance of precipitation 21% with QPF of 0.00 in [0.0 mm]. Saturday Overcast with a high near 90°F [32°C]. WNW wind to around 15 mph [24 kph], with gusts to near 31 mph [49 kph]. Dewpoint near 65°F [18°C] with humidity of 90%. Pressure around 29.40 in [995.7 mb]. UV Index: 7.45. Chance of precipitation 50% with QPF of 0.02 in [0.5 mm]. Saturday Night Overcast with a low around 70°F [21°C]. WNW wind to around 15 mph [24 kph], with gusts to near 31 mph [49 kph]. Chance of precipitation 50% with QPF of 0.02 in [0.5 mm]. Sunday Overcast with a high near 83°F [29°C]. E wind to around 7 mph [12 kph], with gusts to near 12 mph [19 kph]. Dewpoint near 65°F [18°C] with humidity of 92%. Pressure around 29.40 in [995.7 mb]. UV Index: 7.5. Chance of precipitation 9% with QPF of 0.00 in [0.0 mm]. Sunday Night Overcast with a low around 65°F [18°C]. E wind to around 7 mph [12 kph], with gusts to near 12 mph [19 kph]. Chance of precipitation 9% with QPF of 0.00 in [0.0 mm]. Monday Overcast with a high near 83°F [28°C]. S wind to around 12 mph [19 kph], with gusts to near 25 mph [40 kph]. Dewpoint near 65°F [18°C] with humidity of 98%. Pressure around 29.40 in [995.7 mb]. UV Index: 6.9. Chance of precipitation 42% with QPF of 0.00 in [0.0 mm]. Monday Night Overcast with a low around 63°F [17°C]. S wind to around 12 mph [19 kph], with gusts to near 25 mph [40 kph]. Chance of precipitation 42% with QPF of 0.00 in [0.0 mm]. Tuesday Overcast with a high near 83°F [28°C]. NW wind to around 19 mph [30 kph], with gusts to near 30 mph [48 kph]. Dewpoint near 65°F [18°C] with humidity of 98%. Pressure around 29.40 in [995.7 mb]. UV Index: 7.4. Chance of precipitation 42% with QPF of 0.00 in [0.0 mm]. Tuesday Night Overcast with a low around 64°F [18°C]. NW wind to around 19 mph [30 kph], with gusts to near 30 mph [48 kph]. Chance of precipitation 42% with QPF of 0.00 in [0.0 mm]. Wednesday Overcast with a high near 72°F [22°C]. N wind to around 17 mph [27 kph], with gusts to near 28 mph [45 kph]. Dewpoint near 65°F [18°C] with humidity of 83%. Pressure around 29.40 in [995.7 mb]. UV Index: 7.3. Chance of precipitation 3% with QPF of 0.00 in [0.0 mm]. Wednesday Night Overcast with a low around 50°F [10°C]. N wind to around 17 mph [27 kph], with gusts to near 28 mph [45 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 Plattville, IL

Tonight: 0.0 mm | 0.00 in

Friday: 0.0 mm | 0.00 in

Friday Night: 0.0 mm | 0.00 in

Saturday: 0.5 mm | 0.02 in

Saturday Night: 0.5 mm | 0.02 in

Sunday: 0.0 mm | 0.00 in

Sunday Night: 0.0 mm | 0.00 in

Monday: 0.0 mm | 0.00 in

Monday Night: 0.0 mm | 0.00 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 Plattville, IL

Tonight: N @ 15 kph | 10 mph

Friday: WSW @ 16 kph | 10 mph

Friday Night: WSW @ 16 kph | 10 mph

Saturday: WNW @ 24 kph | 15 mph

Saturday Night: WNW @ 24 kph | 15 mph

Sunday: E @ 12 kph | 7 mph

Sunday Night: E @ 12 kph | 7 mph

Monday: S @ 19 kph | 12 mph

Monday Night: S @ 19 kph | 12 mph

Tuesday: NW @ 30 kph | 19 mph

Tuesday Night: NW @ 30 kph | 19 mph

Wednesday: N @ 27 kph | 17 mph

Wednesday Night: N @ 27 kph | 17 mph

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

Tonight: 97 %

Friday: 91 %

Friday Night: 91 %

Saturday: 90 %

Saturday Night: 90 %

Sunday: 92 %

Sunday Night: 92 %

Monday: 98 %

Monday Night: 98 %

Tuesday: 98 %

Tuesday Night: 98 %

Wednesday: 83 %

Wednesday Night: 83 %

7 Day and Night - Snowfall Totals Forecast for Plattville, 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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