Grandview, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 94°F 34°C Heat Index: 104°F	Observed at: Grandview, IL	Elevation: 716 ft | 218 m
	Last Updated: July 27, 7:00 PM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 94°F | 34°C
	Pressure: 29.1 in | 985.5 mb	Dewpoint: 74°F | 23°C
	Humidity: 52%	Wind: WSW 10 mph | WSW 16 kph
	Feels Like: 100°F | 38°C	Visibility: 72.8 mi | 117.1 km
	Lat/Long: 39.8164 | -89.6186	Sunrise: 5:53 AM   Sunset: 8:16 PM

7 Day Graphical Forecast

Valid: 1:16 PM 7/28/2026

Today Overcast 94 |77 °F 34 |25 °C 16% Chance Precipitation Tuesday Overcast 91 |75 °F 33 |24 °C 2% Chance Precipitation Wednesday Mostly Clear 82 |64 °F 28 |18 °C 1% Chance Precipitation Thursday Overcast 84 |63 °F 29 |17 °C 1% Chance Precipitation Friday Heavy Showers 74 |65 °F 23 |18 °C 48% Chance Precipitation Saturday Drizzle 78 |62 °F 26 |17 °C 47% Chance Precipitation Sunday Light Drizzle 82 |66 °F 28 |19 °C 25% Chance Precipitation

7 Hour Graphical Forecast

Valid: 1:16 PM 7/28/2026

1 PM Overcast 90 °F 2% Chance Precipitation

2 PM Overcast 91 °F 2% Chance Precipitation

3 PM Overcast 91 °F 1% Chance Precipitation

4 PM Overcast 90 °F 2% Chance Precipitation

5 PM Overcast 90 °F 1% Chance Precipitation

6 PM Overcast 88 °F 1% Chance Precipitation

7 PM Overcast 87 °F 1% Chance Precipitation

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

7 Day & Night Weather Forecast for Grandview, IL - (Fahrenheit & Celsius) Valid: 1:16 PM 7/28/2026 Today Overcast with a high near 94°F [34°C]. SSW wind to around 15 mph [24 kph], with gusts to near 27 mph [43 kph]. Dewpoint near 74°F [23°C] with humidity of 93%. Pressure around 29.10 in [985.5 mb]. UV Index: 6.95. Chance of precipitation 16% with QPF of 0.00 in [0.0 mm]. Tonight Overcast with a low around 77°F [25°C]. SSW wind to around 15 mph [24 kph], with gusts to near 27 mph [43 kph]. Chance of precipitation 16% with QPF of 0.00 in [0.0 mm]. Tuesday Overcast with a high near 91°F [33°C]. N wind to around 12 mph [19 kph], with gusts to near 24 mph [38 kph]. Dewpoint near 74°F [23°C] with humidity of 92%. Pressure around 29.10 in [985.5 mb]. UV Index: 7.3. Chance of precipitation 2% with QPF of 0.00 in [0.0 mm]. Tuesday Night Overcast with a low around 75°F [24°C]. N wind to around 12 mph [19 kph], with gusts to near 24 mph [38 kph]. Chance of precipitation 2% with QPF of 0.00 in [0.0 mm]. Wednesday Mostly Clear with a high near 82°F [28°C]. ENE wind to around 9 mph [15 kph], with gusts to near 24 mph [38 kph]. Dewpoint near 74°F [23°C] with humidity of 88%. Pressure around 29.10 in [985.5 mb]. UV Index: 7.6. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Wednesday Night Mostly Clear with a low around 64°F [18°C]. ENE wind to around 9 mph [15 kph], with gusts to near 24 mph [38 kph]. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Thursday Overcast with a high near 84°F [29°C]. S wind to around 9 mph [14 kph], with gusts to near 10 mph [16 kph]. Dewpoint near 74°F [23°C] with humidity of 91%. Pressure around 29.10 in [985.5 mb]. UV Index: 7.55. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Thursday Night Overcast with a low around 63°F [17°C]. S wind to around 9 mph [14 kph], with gusts to near 10 mph [16 kph]. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Friday Heavy Showers with a high near 74°F [23°C]. ESE wind to around 12 mph [20 kph], with gusts to near 31 mph [50 kph]. Dewpoint near 74°F [23°C] with humidity of 99%. Pressure around 29.10 in [985.5 mb]. UV Index: 0.45. Chance of precipitation 48% with QPF of 1.92 in [48.7 mm]. Friday Night Heavy Showers with a low around 65°F [18°C]. ESE wind to around 12 mph [20 kph], with gusts to near 31 mph [50 kph]. Chance of precipitation 48% with QPF of 1.92 in [48.7 mm]. Saturday Drizzle with a high near 78°F [26°C]. NNE wind to around 13 mph [21 kph], with gusts to near 27 mph [43 kph]. Dewpoint near 74°F [23°C] with humidity of 99%. Pressure around 29.10 in [985.5 mb]. UV Index: 6.2. Chance of precipitation 47% with QPF of 0.17 in [4.3 mm]. Saturday Night Drizzle with a low around 62°F [17°C]. NNE wind to around 13 mph [21 kph], with gusts to near 27 mph [43 kph]. Chance of precipitation 47% with QPF of 0.17 in [4.3 mm]. Sunday Light Drizzle with a high near 82°F [28°C]. NNE wind to around 11 mph [18 kph], with gusts to near 26 mph [42 kph]. Dewpoint near 74°F [23°C] with humidity of 97%. Pressure around 29.10 in [985.5 mb]. UV Index: 7.35. Chance of precipitation 25% with QPF of 0.01 in [0.2 mm]. Sunday Night Light Drizzle with a low around 66°F [19°C]. NNE wind to around 11 mph [18 kph], with gusts to near 26 mph [42 kph]. Chance of precipitation 25% with QPF of 0.01 in [0.2 mm].

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7 Day and Night - QPF Forecast for Grandview, IL

Today: 0.0 mm | 0.00 in

Tonight: 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

Thursday: 0.0 mm | 0.00 in

Thursday Night: 0.0 mm | 0.00 in

Friday: 48.7 mm | 1.92 in

Friday Night: 48.7 mm | 1.92 in

Saturday: 4.3 mm | 0.17 in

Saturday Night: 4.3 mm | 0.17 in

Sunday: 0.2 mm | 0.01 in

Sunday Night: 0.2 mm | 0.01 in

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

Today: SSW @ 24 kph | 15 mph

Tonight: SSW @ 24 kph | 15 mph

Tuesday: N @ 19 kph | 12 mph

Tuesday Night: N @ 19 kph | 12 mph

Wednesday: ENE @ 15 kph | 9 mph

Wednesday Night: ENE @ 15 kph | 9 mph

Thursday: S @ 14 kph | 9 mph

Thursday Night: S @ 14 kph | 9 mph

Friday: ESE @ 20 kph | 12 mph

Friday Night: ESE @ 20 kph | 12 mph

Saturday: NNE @ 21 kph | 13 mph

Saturday Night: NNE @ 21 kph | 13 mph

Sunday: NNE @ 18 kph | 11 mph

Sunday Night: NNE @ 18 kph | 11 mph

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

Today: 93 %

Tonight: 93 %

Tuesday: 92 %

Tuesday Night: 92 %

Wednesday: 88 %

Wednesday Night: 88 %

Thursday: 91 %

Thursday Night: 91 %

Friday: 99 %

Friday Night: 99 %

Saturday: 99 %

Saturday Night: 99 %

Sunday: 97 %

Sunday Night: 97 %

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

Today: 0.0 cm | 0.00 in

Tonight: 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

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

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