Diana, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 65°F 18°C	Observed at: Diana, IL	Elevation: 493 ft | 150 m
	Last Updated: July 29, 5:30 AM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 65°F | 18°C
	Pressure: 29.37 in | 994.5 mb	Dewpoint: 60°F | 16°C
	Humidity: 83%	Wind: NNE 6 mph | NNE 10 kph
	Feels Like: 66°F | 19°C	Visibility: 32.6 mi | 52.5 km
	Lat/Long: 38.0997 | -88.7514	Sunrise: 5:55 AM   Sunset: 8:07 PM

7 Day Graphical Forecast

Valid: 5:30 AM 7/29/2026

Tonight Clear 65 °F 1% Chance Precipitation Thursday Overcast 89 |65 °F 0% Chance Precipitation Friday Drizzle 82 |65 °F 72% Chance Precipitation Saturday Light Showers 71 |67 °F 72% Chance Precipitation Sunday Mostly Clear 80 |62 °F 37% Chance Precipitation Monday Clear 83 |63 °F 27% Chance Precipitation Tuesday Mostly Clear 85 |61 °F 21% Chance Precipitation

7 Hour Graphical Forecast

Valid: 5:30 AM 7/29/2026

5 AM Clear 66 °F 0% Chance Precipitation

6 AM Clear 65 °F 0% Chance Precipitation

7 AM Clear 66 °F 0% Chance Precipitation

8 AM Clear 68 °F 0% Chance Precipitation

9 AM Clear 71 °F 1% Chance Precipitation

10 AM Clear 75 °F 1% Chance Precipitation

11 AM Clear 78 °F 0% Chance Precipitation

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

7 Day & Night Weather Forecast for Diana, IL - (Fahrenheit & Celsius) Valid: 5:30 AM 7/29/2026 Tonight Clear with a low around 65°F [18°C]. NNE wind to around 10 mph [16 kph], with gusts to near 16 mph [26 kph]. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Thursday Overcast with a high near 89°F [32°C]. E wind to around 8 mph [12 kph], with gusts to near 15 mph [23 kph]. Dewpoint near 60°F [16°C] with humidity of 78%. Pressure around 29.37 in [994.5 mb]. UV Index: 7.6. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Thursday Night Overcast with a low around 65°F [18°C]. E wind to around 8 mph [12 kph], with gusts to near 15 mph [23 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Friday Drizzle with a high near 82°F [28°C]. SSE wind to around 12 mph [19 kph], with gusts to near 30 mph [47 kph]. Dewpoint near 60°F [16°C] with humidity of 87%. Pressure around 29.37 in [994.5 mb]. UV Index: 5.95. Chance of precipitation 72% with QPF of 0.05 in [1.3 mm]. Friday Night Drizzle with a low around 65°F [18°C]. SSE wind to around 12 mph [19 kph], with gusts to near 30 mph [47 kph]. Chance of precipitation 72% with QPF of 0.05 in [1.3 mm]. Saturday Light Showers with a high near 71°F [22°C]. NE wind to around 16 mph [25 kph], with gusts to near 29 mph [47 kph]. Dewpoint near 60°F [16°C] with humidity of 99%. Pressure around 29.37 in [994.5 mb]. UV Index: 0.85. Chance of precipitation 72% with QPF of 0.23 in [5.9 mm]. Saturday Night Light Showers with a low around 67°F [19°C]. NE wind to around 16 mph [25 kph], with gusts to near 29 mph [47 kph]. Chance of precipitation 72% with QPF of 0.23 in [5.9 mm]. Sunday Mostly Clear with a high near 80°F [27°C]. NNE wind to around 15 mph [24 kph], with gusts to near 28 mph [46 kph]. Dewpoint near 60°F [16°C] with humidity of 97%. Pressure around 29.37 in [994.5 mb]. UV Index: 7.4. Chance of precipitation 37% with QPF of 0.00 in [0.0 mm]. Sunday Night Mostly Clear with a low around 62°F [17°C]. NNE wind to around 15 mph [24 kph], with gusts to near 28 mph [46 kph]. Chance of precipitation 37% with QPF of 0.00 in [0.0 mm]. Monday Clear with a high near 83°F [28°C]. NE wind to around 10 mph [16 kph], with gusts to near 16 mph [26 kph]. Dewpoint near 60°F [16°C] with humidity of 94%. Pressure around 29.37 in [994.5 mb]. UV Index: 7.45. Chance of precipitation 27% with QPF of 0.00 in [0.0 mm]. Monday Night Clear with a low around 63°F [17°C]. NE wind to around 10 mph [16 kph], with gusts to near 16 mph [26 kph]. Chance of precipitation 27% with QPF of 0.00 in [0.0 mm]. Tuesday Mostly Clear with a high near 85°F [30°C]. E wind to around 8 mph [13 kph], with gusts to near 12 mph [20 kph]. Dewpoint near 60°F [16°C] with humidity of 89%. Pressure around 29.37 in [994.5 mb]. UV Index: 7.45. Chance of precipitation 21% with QPF of 0.00 in [0.0 mm]. Tuesday Night Mostly Clear with a low around 61°F [16°C]. E wind to around 8 mph [13 kph], with gusts to near 12 mph [20 kph]. Chance of precipitation 21% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Diana, IL

Tonight: 0.0 mm | 0.00 in

Thursday: 0.0 mm | 0.00 in

Thursday Night: 0.0 mm | 0.00 in

Friday: 1.3 mm | 0.05 in

Friday Night: 1.3 mm | 0.05 in

Saturday: 5.9 mm | 0.23 in

Saturday Night: 5.9 mm | 0.23 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

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

Tonight: NNE @ 16 kph | 10 mph

Thursday: E @ 12 kph | 8 mph

Thursday Night: E @ 12 kph | 8 mph

Friday: SSE @ 19 kph | 12 mph

Friday Night: SSE @ 19 kph | 12 mph

Saturday: NE @ 25 kph | 16 mph

Saturday Night: NE @ 25 kph | 16 mph

Sunday: NNE @ 24 kph | 15 mph

Sunday Night: NNE @ 24 kph | 15 mph

Monday: NE @ 16 kph | 10 mph

Monday Night: NE @ 16 kph | 10 mph

Tuesday: E @ 13 kph | 8 mph

Tuesday Night: E @ 13 kph | 8 mph

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

Tonight: 91 %

Thursday: 78 %

Thursday Night: 78 %

Friday: 87 %

Friday Night: 87 %

Saturday: 99 %

Saturday Night: 99 %

Sunday: 97 %

Sunday Night: 97 %

Monday: 94 %

Monday Night: 94 %

Tuesday: 89 %

Tuesday Night: 89 %

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

Tonight: 0.0 cm | 0.00 in

Thursday: 0.0 cm | 0.00 in

Thursday Night: 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

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