Gallagher, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 63°F 17°C	Observed at: Gallagher, IL	Elevation: 562 ft | 171 m
	Last Updated: July 29, 6:30 AM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 63°F | 17°C
	Pressure: 29.42 in | 996.4 mb	Dewpoint: 59°F | 15°C
	Humidity: 87%	Wind: N 5 mph | N 8 kph
	Feels Like: 63°F | 17°C	Visibility: 27.9 mi | 44.9 km
	Lat/Long: 38.6344 | -88.1672	Sunrise: 5:51 AM   Sunset: 8:06 PM

7 Day Graphical Forecast

Valid: 6:31 AM 7/29/2026

Today Clear 87 |63 °F 30 |17 °C 0% Chance Precipitation Thursday Overcast 88 |64 °F 31 |18 °C 0% Chance Precipitation Friday Light Showers 79 |65 °F 26 |18 °C 69% Chance Precipitation Saturday Light Showers 69 |66 °F 21 |19 °C 69% Chance Precipitation Sunday Mostly Clear 80 |62 °F 26 |17 °C 33% Chance Precipitation Monday Clear 82 |63 °F 28 |17 °C 25% Chance Precipitation Tuesday Clear 85 |60 °F 29 |16 °C 24% Chance Precipitation

7 Hour Graphical Forecast

Valid: 6:31 AM 7/29/2026

6 AM Clear 63 °F 0% Chance Precipitation

7 AM Clear 64 °F 0% Chance Precipitation

8 AM Clear 66 °F 0% Chance Precipitation

9 AM Clear 70 °F 0% Chance Precipitation

10 AM Clear 74 °F 0% Chance Precipitation

11 AM Clear 77 °F 0% Chance Precipitation

12 PM Clear 80 °F 0% Chance Precipitation

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

7 Day & Night Weather Forecast for Gallagher, IL - (Fahrenheit & Celsius) Valid: 6:31 AM 7/29/2026 Today Clear with a high near 87°F [30°C]. N wind to around 8 mph [12 kph], with gusts to near 15 mph [23 kph]. Dewpoint near 59°F [15°C] with humidity of 91%. Pressure around 29.42 in [996.4 mb]. UV Index: 7.65. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Tonight Clear with a low around 63°F [17°C]. N 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]. Thursday Overcast with a high near 88°F [31°C]. ENE wind to around 5 mph [8 kph], with gusts to near 13 mph [21 kph]. Dewpoint near 59°F [15°C] with humidity of 81%. Pressure around 29.42 in [996.4 mb]. UV Index: 7.55. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Thursday Night Overcast with a low around 64°F [18°C]. ENE wind to around 5 mph [8 kph], with gusts to near 13 mph [21 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Friday Light Showers with a high near 79°F [26°C]. SSE wind to around 12 mph [19 kph], with gusts to near 22 mph [36 kph]. Dewpoint near 59°F [15°C] with humidity of 95%. Pressure around 29.42 in [996.4 mb]. UV Index: 5.5. Chance of precipitation 69% with QPF of 0.25 in [6.4 mm]. Friday Night Light Showers with a low around 65°F [18°C]. SSE wind to around 12 mph [19 kph], with gusts to near 22 mph [36 kph]. Chance of precipitation 69% with QPF of 0.25 in [6.4 mm]. Saturday Light Showers with a high near 69°F [21°C]. NE wind to around 15 mph [25 kph], with gusts to near 28 mph [45 kph]. Dewpoint near 59°F [15°C] with humidity of 98%. Pressure around 29.42 in [996.4 mb]. UV Index: 0.75. Chance of precipitation 69% with QPF of 0.36 in [9.1 mm]. Saturday Night Light Showers with a low around 66°F [19°C]. NE wind to around 15 mph [25 kph], with gusts to near 28 mph [45 kph]. Chance of precipitation 69% with QPF of 0.36 in [9.1 mm]. Sunday Mostly Clear with a high near 80°F [26°C]. NNE wind to around 15 mph [23 kph], with gusts to near 28 mph [45 kph]. Dewpoint near 59°F [15°C] with humidity of 97%. Pressure around 29.42 in [996.4 mb]. UV Index: 7.35. Chance of precipitation 33% 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 [23 kph], with gusts to near 28 mph [45 kph]. Chance of precipitation 33% with QPF of 0.00 in [0.0 mm]. Monday Clear with a high near 82°F [28°C]. NE wind to around 9 mph [14 kph], with gusts to near 21 mph [34 kph]. Dewpoint near 59°F [15°C] with humidity of 96%. Pressure around 29.42 in [996.4 mb]. UV Index: 7.4. Chance of precipitation 25% with QPF of 0.00 in [0.0 mm]. Monday Night Clear with a low around 63°F [17°C]. NE wind to around 9 mph [14 kph], with gusts to near 21 mph [34 kph]. Chance of precipitation 25% with QPF of 0.00 in [0.0 mm]. Tuesday Clear with a high near 85°F [29°C]. E wind to around 8 mph [14 kph], with gusts to near 18 mph [29 kph]. Dewpoint near 59°F [15°C] with humidity of 87%. Pressure around 29.42 in [996.4 mb]. UV Index: 7.4. Chance of precipitation 24% with QPF of 0.00 in [0.0 mm]. Tuesday Night Clear with a low around 60°F [16°C]. E wind to around 8 mph [14 kph], with gusts to near 18 mph [29 kph]. Chance of precipitation 24% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Gallagher, 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: 6.4 mm | 0.25 in

Friday Night: 6.4 mm | 0.25 in

Saturday: 9.1 mm | 0.36 in

Saturday Night: 9.1 mm | 0.36 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 Gallagher, IL

Today: N @ 12 kph | 8 mph

Tonight: N @ 12 kph | 8 mph

Thursday: ENE @ 8 kph | 5 mph

Thursday Night: ENE @ 8 kph | 5 mph

Friday: SSE @ 19 kph | 12 mph

Friday Night: SSE @ 19 kph | 12 mph

Saturday: NE @ 25 kph | 15 mph

Saturday Night: NE @ 25 kph | 15 mph

Sunday: NNE @ 23 kph | 15 mph

Sunday Night: NNE @ 23 kph | 15 mph

Monday: NE @ 14 kph | 9 mph

Monday Night: NE @ 14 kph | 9 mph

Tuesday: E @ 14 kph | 8 mph

Tuesday Night: E @ 14 kph | 8 mph

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

Today: 91 %

Tonight: 91 %

Thursday: 81 %

Thursday Night: 81 %

Friday: 95 %

Friday Night: 95 %

Saturday: 98 %

Saturday Night: 98 %

Sunday: 97 %

Sunday Night: 97 %

Monday: 96 %

Monday Night: 96 %

Tuesday: 87 %

Tuesday Night: 87 %

7 Day and Night - Snowfall Totals Forecast for Gallagher, 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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