Allen, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 62°F 17°C	Observed at: Allen, IL	Elevation: 780 ft | 238 m
	Last Updated: July 29, 6:00 AM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 62°F | 17°C
	Pressure: 29.38 in | 994.8 mb	Dewpoint: 56°F | 13°C
	Humidity: 81%	Wind: NNE 2 mph | NNE 3 kph
	Feels Like: 64°F | 18°C	Visibility: 35.1 mi | 56.4 km
	Lat/Long: 40.305 | -89.6494	Sunrise: 5:53 AM   Sunset: 8:16 PM

7 Day Graphical Forecast

Valid: 6:00 AM 7/29/2026

Today Clear 87 |62 °F 31 |17 °C 0% Chance Precipitation Thursday Overcast 89 |63 °F 32 |17 °C 0% Chance Precipitation Friday Light Showers 75 |63 °F 24 |17 °C 77% Chance Precipitation Saturday Light Showers 77 |65 °F 25 |18 °C 75% Chance Precipitation Sunday Light Drizzle 81 |60 °F 27 |16 °C 18% Chance Precipitation Monday Clear 81 |60 °F 27 |16 °C 18% Chance Precipitation Tuesday Clear 83 |61 °F 28 |16 °C 16% Chance Precipitation

7 Hour Graphical Forecast

Valid: 6:00 AM 7/29/2026

6 AM Clear 62 °F 0% Chance Precipitation

7 AM Clear 63 °F 0% Chance Precipitation

8 AM Clear 67 °F 0% Chance Precipitation

9 AM Clear 72 °F 0% Chance Precipitation

10 AM Clear 76 °F 0% Chance Precipitation

11 AM Clear 80 °F 0% Chance Precipitation

12 PM Clear 82 °F 0% Chance Precipitation

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

7 Day & Night Weather Forecast for Allen, IL - (Fahrenheit & Celsius) Valid: 6:00 AM 7/29/2026 Today Clear with a high near 87°F [31°C]. NE wind to around 8 mph [13 kph], with gusts to near 14 mph [22 kph]. Dewpoint near 56°F [13°C] with humidity of 86%. Pressure around 29.38 in [994.8 mb]. UV Index: 7.5. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Tonight Clear with a low around 62°F [17°C]. NE wind to around 8 mph [13 kph], with gusts to near 14 mph [22 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Thursday Overcast with a high near 89°F [32°C]. ESE wind to around 7 mph [11 kph], with gusts to near 14 mph [23 kph]. Dewpoint near 56°F [13°C] with humidity of 80%. Pressure around 29.38 in [994.8 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 7 mph [11 kph], with gusts to near 14 mph [23 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Friday Light Showers with a high near 75°F [24°C]. SE wind to around 15 mph [23 kph], with gusts to near 26 mph [41 kph]. Dewpoint near 56°F [13°C] with humidity of 97%. Pressure around 29.38 in [994.8 mb]. UV Index: 5.65. Chance of precipitation 77% with QPF of 0.65 in [16.5 mm]. Friday Night Light Showers with a low around 63°F [17°C]. SE wind to around 15 mph [23 kph], with gusts to near 26 mph [41 kph]. Chance of precipitation 77% with QPF of 0.65 in [16.5 mm]. Saturday Light Showers with a high near 77°F [25°C]. NE wind to around 16 mph [26 kph], with gusts to near 23 mph [36 kph]. Dewpoint near 56°F [13°C] with humidity of 97%. Pressure around 29.38 in [994.8 mb]. UV Index: 6.05. Chance of precipitation 75% with QPF of 0.16 in [4.0 mm]. Saturday Night Light Showers with a low around 65°F [18°C]. NE wind to around 16 mph [26 kph], with gusts to near 23 mph [36 kph]. Chance of precipitation 75% with QPF of 0.16 in [4.0 mm]. Sunday Light Drizzle with a high near 81°F [27°C]. NNE wind to around 9 mph [15 kph], with gusts to near 14 mph [22 kph]. Dewpoint near 56°F [13°C] with humidity of 96%. Pressure around 29.38 in [994.8 mb]. UV Index: 7.3. Chance of precipitation 18% 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 9 mph [15 kph], with gusts to near 14 mph [22 kph]. Chance of precipitation 18% with QPF of 0.00 in [0.1 mm]. Monday Clear with a high near 81°F [27°C]. E wind to around 7 mph [11 kph], with gusts to near 9 mph [15 kph]. Dewpoint near 56°F [13°C] with humidity of 94%. Pressure around 29.38 in [994.8 mb]. UV Index: 7.4. Chance of precipitation 18% with QPF of 0.00 in [0.0 mm]. Monday Night Clear with a low around 60°F [16°C]. E wind to around 7 mph [11 kph], with gusts to near 9 mph [15 kph]. Chance of precipitation 18% with QPF of 0.00 in [0.0 mm]. Tuesday Clear with a high near 83°F [28°C]. SE wind to around 8 mph [13 kph], with gusts to near 15 mph [24 kph]. Dewpoint near 56°F [13°C] with humidity of 94%. Pressure around 29.38 in [994.8 mb]. UV Index: 7.35. Chance of precipitation 16% with QPF of 0.00 in [0.0 mm]. Tuesday Night Clear with a low around 61°F [16°C]. SE wind to around 8 mph [13 kph], with gusts to near 15 mph [24 kph]. Chance of precipitation 16% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Allen, 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: 16.5 mm | 0.65 in

Friday Night: 16.5 mm | 0.65 in

Saturday: 4.0 mm | 0.16 in

Saturday Night: 4.0 mm | 0.16 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 Allen, IL

Today: NE @ 13 kph | 8 mph

Tonight: NE @ 13 kph | 8 mph

Thursday: ESE @ 11 kph | 7 mph

Thursday Night: ESE @ 11 kph | 7 mph

Friday: SE @ 23 kph | 15 mph

Friday Night: SE @ 23 kph | 15 mph

Saturday: NE @ 26 kph | 16 mph

Saturday Night: NE @ 26 kph | 16 mph

Sunday: NNE @ 15 kph | 9 mph

Sunday Night: NNE @ 15 kph | 9 mph

Monday: E @ 11 kph | 7 mph

Monday Night: E @ 11 kph | 7 mph

Tuesday: SE @ 13 kph | 8 mph

Tuesday Night: SE @ 13 kph | 8 mph

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

Today: 86 %

Tonight: 86 %

Thursday: 80 %

Thursday Night: 80 %

Friday: 97 %

Friday Night: 97 %

Saturday: 97 %

Saturday Night: 97 %

Sunday: 96 %

Sunday Night: 96 %

Monday: 94 %

Monday Night: 94 %

Tuesday: 94 %

Tuesday Night: 94 %

7 Day and Night - Snowfall Totals Forecast for Allen, 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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