Donnellson, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 64°F 18°C	Observed at: Donnellson, IL	Elevation: 614 ft | 187 m
	Last Updated: July 29, 6:15 AM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 64°F | 18°C
	Pressure: 29.26 in | 990.9 mb	Dewpoint: 58°F | 14°C
	Humidity: 81%	Wind: NE 4 mph | NE 6 kph
	Feels Like: 65°F | 18°C	Visibility: 36.5 mi | 58.7 km
	Lat/Long: 39.0278 | -89.4733	Sunrise: 5:56 AM   Sunset: 8:12 PM

7 Day Graphical Forecast

Valid: 6:17 AM 7/29/2026

Today Clear 87 |65 °F 30 |18 °C 0% Chance Precipitation Thursday Overcast 86 |63 °F 30 |17 °C 0% Chance Precipitation Friday Light Showers 78 |64 °F 26 |18 °C 70% Chance Precipitation Saturday Light Showers 76 |66 °F 24 |19 °C 70% Chance Precipitation Sunday Light Drizzle 80 |60 °F 27 |16 °C 24% Chance Precipitation Monday Clear 82 |62 °F 28 |17 °C 23% Chance Precipitation Tuesday Clear 83 |60 °F 28 |16 °C 15% Chance Precipitation

7 Hour Graphical Forecast

Valid: 6:17 AM 7/29/2026

6 AM Clear 65 °F 0% Chance Precipitation

7 AM Clear 65 °F 0% Chance Precipitation

8 AM Clear 68 °F 0% Chance Precipitation

9 AM Clear 71 °F 0% Chance Precipitation

10 AM Clear 74 °F 0% Chance Precipitation

11 AM Clear 78 °F 0% Chance Precipitation

12 PM Clear 81 °F 0% Chance Precipitation

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

7 Day & Night Weather Forecast for Donnellson, IL - (Fahrenheit & Celsius) Valid: 6:17 AM 7/29/2026 Today Clear with a high near 87°F [30°C]. NE wind to around 8 mph [12 kph], with gusts to near 17 mph [28 kph]. Dewpoint near 58°F [14°C] with humidity of 92%. Pressure around 29.26 in [990.9 mb]. UV Index: 7.65. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Tonight Clear with a low around 65°F [18°C]. NE wind to around 8 mph [12 kph], with gusts to near 17 mph [28 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Thursday Overcast with a high near 86°F [30°C]. ESE wind to around 6 mph [10 kph], with gusts to near 15 mph [24 kph]. Dewpoint near 58°F [14°C] with humidity of 78%. Pressure around 29.26 in [990.9 mb]. UV Index: 7.35. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Thursday Night Overcast with a low around 63°F [17°C]. ESE wind to around 6 mph [10 kph], with gusts to near 15 mph [24 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Friday Light Showers with a high near 78°F [26°C]. SSE wind to around 16 mph [25 kph], with gusts to near 31 mph [49 kph]. Dewpoint near 58°F [14°C] with humidity of 93%. Pressure around 29.26 in [990.9 mb]. UV Index: 5.5. Chance of precipitation 70% with QPF of 0.23 in [5.8 mm]. Friday Night Light Showers with a low around 64°F [18°C]. SSE wind to around 16 mph [25 kph], with gusts to near 31 mph [49 kph]. Chance of precipitation 70% with QPF of 0.23 in [5.8 mm]. Saturday Light Showers with a high near 76°F [24°C]. NE wind to around 18 mph [28 kph], with gusts to near 28 mph [45 kph]. Dewpoint near 58°F [14°C] with humidity of 98%. Pressure around 29.26 in [990.9 mb]. UV Index: 6.1. Chance of precipitation 70% with QPF of 0.31 in [7.9 mm]. Saturday Night Light Showers with a low around 66°F [19°C]. NE wind to around 18 mph [28 kph], with gusts to near 28 mph [45 kph]. Chance of precipitation 70% with QPF of 0.31 in [7.9 mm]. Sunday Light Drizzle with a high near 80°F [27°C]. NNE wind to around 13 mph [21 kph], with gusts to near 27 mph [43 kph]. Dewpoint near 58°F [14°C] with humidity of 97%. Pressure around 29.26 in [990.9 mb]. UV Index: 7.35. Chance of precipitation 24% with QPF of 0.00 in [0.1 mm]. Sunday Night Light Drizzle with a low around 60°F [16°C]. NNE wind to around 13 mph [21 kph], with gusts to near 27 mph [43 kph]. Chance of precipitation 24% with QPF of 0.00 in [0.1 mm]. Monday Clear with a high near 82°F [28°C]. ENE wind to around 7 mph [11 kph], with gusts to near 11 mph [18 kph]. Dewpoint near 58°F [14°C] with humidity of 94%. Pressure around 29.26 in [990.9 mb]. UV Index: 7.45. Chance of precipitation 23% with QPF of 0.00 in [0.0 mm]. Monday Night Clear with a low around 62°F [17°C]. ENE wind to around 7 mph [11 kph], with gusts to near 11 mph [18 kph]. Chance of precipitation 23% with QPF of 0.00 in [0.0 mm]. Tuesday Clear with a high near 83°F [28°C]. ESE wind to around 8 mph [12 kph], with gusts to near 14 mph [23 kph]. Dewpoint near 58°F [14°C] with humidity of 90%. Pressure around 29.26 in [990.9 mb]. UV Index: 7.45. Chance of precipitation 15% with QPF of 0.00 in [0.0 mm]. Tuesday Night Clear with a low around 60°F [16°C]. ESE wind to around 8 mph [12 kph], with gusts to near 14 mph [23 kph]. Chance of precipitation 15% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Donnellson, IL

Today: 0.0 mm | 0.00 in

Tonight: 0.0 mm | 0.00 in

Thursday: 0.0 mm | 0.00 in

Thursday Night: 0.0 mm | 0.00 in

Friday: 5.8 mm | 0.23 in

Friday Night: 5.8 mm | 0.23 in

Saturday: 7.9 mm | 0.31 in

Saturday Night: 7.9 mm | 0.31 in

Sunday: 0.1 mm | 0.00 in

Sunday Night: 0.1 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 Donnellson, IL

Today: NE @ 12 kph | 8 mph

Tonight: NE @ 12 kph | 8 mph

Thursday: ESE @ 10 kph | 6 mph

Thursday Night: ESE @ 10 kph | 6 mph

Friday: SSE @ 25 kph | 16 mph

Friday Night: SSE @ 25 kph | 16 mph

Saturday: NE @ 28 kph | 18 mph

Saturday Night: NE @ 28 kph | 18 mph

Sunday: NNE @ 21 kph | 13 mph

Sunday Night: NNE @ 21 kph | 13 mph

Monday: ENE @ 11 kph | 7 mph

Monday Night: ENE @ 11 kph | 7 mph

Tuesday: ESE @ 12 kph | 8 mph

Tuesday Night: ESE @ 12 kph | 8 mph

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

Today: 92 %

Tonight: 92 %

Thursday: 78 %

Thursday Night: 78 %

Friday: 93 %

Friday Night: 93 %

Saturday: 98 %

Saturday Night: 98 %

Sunday: 97 %

Sunday Night: 97 %

Monday: 94 %

Monday Night: 94 %

Tuesday: 90 %

Tuesday Night: 90 %

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

Today: 0.0 cm | 0.00 in

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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