Spring Bay, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 84°F 29°C Heat Index: 91°F	Observed at: Spring Bay, IL	Elevation: 847 ft | 258 m
	Last Updated: July 27, 8:15 PM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 84°F | 29°C
	Pressure: 29.18 in | 988 mb	Dewpoint: 74°F | 23°C
	Humidity: 73%	Wind: SW 6 mph | SW 10 kph
	Feels Like: 92°F | 33°C	Visibility: 43.4 mi | 69.9 km
	Lat/Long: 40.8244 | -89.5222	Sunrise: 5:50 AM   Sunset: 8:19 PM

7 Day Graphical Forecast

Valid: 11:42 AM 7/29/2026

Today Thunderstorm 92 |78 °F 33 |26 °C 18% Chance Precipitation Tuesday Overcast 87 |68 °F 30 |20 °C 11% Chance Precipitation Wednesday Clear 82 |62 °F 28 |17 °C 1% Chance Precipitation Thursday Overcast 86 |65 °F 30 |18 °C 2% Chance Precipitation Friday Showers 74 |64 °F 23 |18 °C 49% Chance Precipitation Saturday Light Drizzle 81 |62 °F 27 |17 °C 49% Chance Precipitation Sunday Clear 82 |66 °F 28 |19 °C 16% Chance Precipitation

7 Hour Graphical Forecast

Valid: 11:42 AM 7/29/2026

11 AM Clear 77 °F 0% Chance Precipitation

12 PM Clear 80 °F 0% Chance Precipitation

1 PM Clear 81 °F 0% Chance Precipitation

2 PM Clear 81 °F 1% Chance Precipitation

3 PM Clear 82 °F 1% Chance Precipitation

4 PM Clear 82 °F 1% Chance Precipitation

5 PM Clear 82 °F 1% Chance Precipitation

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

7 Day & Night Weather Forecast for Spring Bay, IL - (Fahrenheit & Celsius) Valid: 11:42 AM 7/29/2026 Today Thunderstorm with a high near 92°F [33°C]. SSW wind to around 17 mph [28 kph], with gusts to near 27 mph [44 kph]. Dewpoint near 74°F [23°C] with humidity of 100%. Pressure around 29.18 in [988 mb]. UV Index: 5.9. Chance of precipitation 18% with QPF of 0.61 in [15.5 mm]. Tonight Thunderstorm with a low around 78°F [26°C]. SSW wind to around 17 mph [28 kph], with gusts to near 27 mph [44 kph]. Chance of precipitation 18% with QPF of 0.61 in [15.5 mm]. Tuesday Overcast with a high near 87°F [30°C]. NNE wind to around 14 mph [22 kph], with gusts to near 26 mph [41 kph]. Dewpoint near 74°F [23°C] with humidity of 89%. Pressure around 29.18 in [988 mb]. UV Index: 7.2. Chance of precipitation 11% with QPF of 0.00 in [0.0 mm]. Tuesday Night Overcast with a low around 68°F [20°C]. NNE wind to around 14 mph [22 kph], with gusts to near 26 mph [41 kph]. Chance of precipitation 11% with QPF of 0.00 in [0.0 mm]. Wednesday Clear with a high near 82°F [28°C]. ENE wind to around 7 mph [11 kph], with gusts to near 11 mph [17 kph]. Dewpoint near 74°F [23°C] with humidity of 88%. Pressure around 29.18 in [988 mb]. UV Index: 7.5. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Wednesday Night Clear with a low around 62°F [17°C]. ENE wind to around 7 mph [11 kph], with gusts to near 11 mph [17 kph]. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Thursday Overcast with a high near 86°F [30°C]. SSW wind to around 9 mph [15 kph], with gusts to near 13 mph [21 kph]. Dewpoint near 74°F [23°C] with humidity of 93%. Pressure around 29.18 in [988 mb]. UV Index: 7.45. Chance of precipitation 2% with QPF of 0.00 in [0.0 mm]. Thursday Night Overcast with a low around 65°F [18°C]. SSW wind to around 9 mph [15 kph], with gusts to near 13 mph [21 kph]. Chance of precipitation 2% with QPF of 0.00 in [0.0 mm]. Friday Showers with a high near 74°F [23°C]. E wind to around 15 mph [24 kph], with gusts to near 28 mph [45 kph]. Dewpoint near 74°F [23°C] with humidity of 98%. Pressure around 29.18 in [988 mb]. UV Index: 1. Chance of precipitation 49% with QPF of 1.59 in [40.5 mm]. Friday Night Showers with a low around 64°F [18°C]. E wind to around 15 mph [24 kph], with gusts to near 28 mph [45 kph]. Chance of precipitation 49% with QPF of 1.59 in [40.5 mm]. Saturday Light Drizzle with a high near 81°F [27°C]. NNE wind to around 13 mph [21 kph], with gusts to near 21 mph [34 kph]. Dewpoint near 74°F [23°C] with humidity of 97%. Pressure around 29.18 in [988 mb]. UV Index: 7.15. Chance of precipitation 49% with QPF of 0.08 in [2.1 mm]. Saturday Night Light Drizzle with a low around 62°F [17°C]. NNE wind to around 13 mph [21 kph], with gusts to near 21 mph [34 kph]. Chance of precipitation 49% with QPF of 0.08 in [2.1 mm]. Sunday Clear with a high near 82°F [28°C]. NNE wind to around 9 mph [15 kph], with gusts to near 14 mph [22 kph]. Dewpoint near 74°F [23°C] with humidity of 96%. Pressure around 29.18 in [988 mb]. UV Index: 7.25. Chance of precipitation 16% with QPF of 0.00 in [0.0 mm]. Sunday Night Clear with a low around 66°F [19°C]. NNE wind to around 9 mph [15 kph], with gusts to near 14 mph [22 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 Spring Bay, IL

Today: 15.5 mm | 0.61 in

Tonight: 15.5 mm | 0.61 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: 40.5 mm | 1.59 in

Friday Night: 40.5 mm | 1.59 in

Saturday: 2.1 mm | 0.08 in

Saturday Night: 2.1 mm | 0.08 in

Sunday: 0.0 mm | 0.00 in

Sunday Night: 0.0 mm | 0.00 in

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

Today: SSW @ 28 kph | 17 mph

Tonight: SSW @ 28 kph | 17 mph

Tuesday: NNE @ 22 kph | 14 mph

Tuesday Night: NNE @ 22 kph | 14 mph

Wednesday: ENE @ 11 kph | 7 mph

Wednesday Night: ENE @ 11 kph | 7 mph

Thursday: SSW @ 15 kph | 9 mph

Thursday Night: SSW @ 15 kph | 9 mph

Friday: E @ 24 kph | 15 mph

Friday Night: E @ 24 kph | 15 mph

Saturday: NNE @ 21 kph | 13 mph

Saturday Night: NNE @ 21 kph | 13 mph

Sunday: NNE @ 15 kph | 9 mph

Sunday Night: NNE @ 15 kph | 9 mph

7 Day and Night - Maximum Humidity Forecast for Spring Bay, IL

Today: 100 %

Tonight: 100 %

Tuesday: 89 %

Tuesday Night: 89 %

Wednesday: 88 %

Wednesday Night: 88 %

Thursday: 93 %

Thursday Night: 93 %

Friday: 98 %

Friday Night: 98 %

Saturday: 97 %

Saturday Night: 97 %

Sunday: 96 %

Sunday Night: 96 %

7 Day and Night - Snowfall Totals Forecast for Spring Bay, 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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