Houston, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 78°F 26°C Heat Index: 78°F	Observed at: Houston, IL	Elevation: 501 ft | 153 m
	Last Updated: July 16, 10:15 PM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 78°F | 26°C
	Pressure: 29.57 in | 1001.3 mb	Dewpoint: 74°F | 23°C
	Humidity: 88%	Wind: W 3 mph | W 5 kph
	Feels Like: 87°F | 31°C	Visibility: 30 mi | 48.2 km
	Lat/Long: 38.1592 | -89.7811	Sunrise: 5:49 AM   Sunset: 8:21 PM

7 Day Graphical Forecast

Valid: 10:16 PM 7/16/2026

Tonight Overcast 75 °F 36% Chance Precipitation Friday Overcast 92 |73 °F 13% Chance Precipitation Saturday Overcast 93 |74 °F 34% Chance Precipitation Sunday Thunderstorm 93 |73 °F 34% Chance Precipitation Monday Light Drizzle 95 |72 °F 8% Chance Precipitation Tuesday Overcast 102 |69 °F 3% Chance Precipitation Wednesday Overcast 74 |61 °F 3% Chance Precipitation

7 Hour Graphical Forecast

Valid: 10:16 PM 7/16/2026

10 PM Clear 78 °F 4% Chance Precipitation

11 PM Clear 77 °F 3% Chance Precipitation

12 AM Clear 77 °F 2% Chance Precipitation

1 AM Clear 76 °F 2% Chance Precipitation

2 AM Clear 76 °F 2% Chance Precipitation

3 AM Clear 75 °F 4% Chance Precipitation

4 AM Clear 75 °F 9% Chance Precipitation

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

7 Day & Night Weather Forecast for Houston, IL - (Fahrenheit & Celsius) Valid: 10:16 PM 7/16/2026 Tonight Overcast with a low around 75°F [24°C]. WSW wind to around 9 mph [15 kph], with gusts to near 12 mph [19 kph]. Chance of precipitation 36% with QPF of 0.00 in [0.0 mm]. Friday Overcast with a high near 92°F [33°C]. W wind to around 11 mph [18 kph], with gusts to near 17 mph [27 kph]. Dewpoint near 74°F [23°C] with humidity of 95%. Pressure around 29.57 in [1001.3 mb]. UV Index: 7.75. Chance of precipitation 13% with QPF of 0.00 in [0.0 mm]. Friday Night Overcast with a low around 73°F [23°C]. W wind to around 11 mph [18 kph], with gusts to near 17 mph [27 kph]. Chance of precipitation 13% with QPF of 0.00 in [0.0 mm]. Saturday Overcast with a high near 93°F [34°C]. WSW wind to around 14 mph [22 kph], with gusts to near 21 mph [34 kph]. Dewpoint near 74°F [23°C] with humidity of 83%. Pressure around 29.57 in [1001.3 mb]. UV Index: 7.85. Chance of precipitation 34% with QPF of 0.00 in [0.0 mm]. Saturday Night Overcast with a low around 74°F [24°C]. WSW wind to around 14 mph [22 kph], with gusts to near 21 mph [34 kph]. Chance of precipitation 34% with QPF of 0.00 in [0.0 mm]. Sunday Thunderstorm with a high near 93°F [34°C]. NW wind to around 9 mph [14 kph], with gusts to near 15 mph [23 kph]. Dewpoint near 74°F [23°C] with humidity of 95%. Pressure around 29.57 in [1001.3 mb]. UV Index: 7.85. Chance of precipitation 34% with QPF of 0.18 in [4.5 mm]. Sunday Night Thunderstorm with a low around 73°F [23°C]. NW wind to around 9 mph [14 kph], with gusts to near 15 mph [23 kph]. Chance of precipitation 34% with QPF of 0.18 in [4.5 mm]. Monday Light Drizzle with a high near 95°F [35°C]. SSE wind to around 8 mph [13 kph], with gusts to near 24 mph [38 kph]. Dewpoint near 74°F [23°C] with humidity of 98%. Pressure around 29.57 in [1001.3 mb]. UV Index: 7.4. Chance of precipitation 8% with QPF of 0.01 in [0.2 mm]. Monday Night Light Drizzle with a low around 72°F [22°C]. SSE wind to around 8 mph [13 kph], with gusts to near 24 mph [38 kph]. Chance of precipitation 8% with QPF of 0.01 in [0.2 mm]. Tuesday Overcast with a high near 102°F [39°C]. WNW wind to around 20 mph [33 kph], with gusts to near 31 mph [50 kph]. Dewpoint near 74°F [23°C] with humidity of 85%. Pressure around 29.57 in [1001.3 mb]. UV Index: 7.8. Chance of precipitation 3% with QPF of 0.00 in [0.0 mm]. Tuesday Night Overcast with a low around 69°F [20°C]. WNW wind to around 20 mph [33 kph], with gusts to near 31 mph [50 kph]. Chance of precipitation 3% with QPF of 0.00 in [0.0 mm]. Wednesday Overcast with a high near 74°F [23°C]. N wind to around 11 mph [18 kph], with gusts to near 28 mph [44 kph]. Dewpoint near 74°F [23°C] with humidity of 88%. Pressure around 29.57 in [1001.3 mb]. UV Index: 7.4. Chance of precipitation 3% with QPF of 0.00 in [0.0 mm]. Wednesday Night Overcast with a low around 61°F [16°C]. N wind to around 11 mph [18 kph], with gusts to near 28 mph [44 kph]. Chance of precipitation 3% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Houston, IL

Tonight: 0.0 mm | 0.00 in

Friday: 0.0 mm | 0.00 in

Friday Night: 0.0 mm | 0.00 in

Saturday: 0.0 mm | 0.00 in

Saturday Night: 0.0 mm | 0.00 in

Sunday: 4.5 mm | 0.18 in

Sunday Night: 4.5 mm | 0.18 in

Monday: 0.2 mm | 0.01 in

Monday Night: 0.2 mm | 0.01 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

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

Tonight: WSW @ 15 kph | 9 mph

Friday: W @ 18 kph | 11 mph

Friday Night: W @ 18 kph | 11 mph

Saturday: WSW @ 22 kph | 14 mph

Saturday Night: WSW @ 22 kph | 14 mph

Sunday: NW @ 14 kph | 9 mph

Sunday Night: NW @ 14 kph | 9 mph

Monday: SSE @ 13 kph | 8 mph

Monday Night: SSE @ 13 kph | 8 mph

Tuesday: WNW @ 33 kph | 20 mph

Tuesday Night: WNW @ 33 kph | 20 mph

Wednesday: N @ 18 kph | 11 mph

Wednesday Night: N @ 18 kph | 11 mph

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

Tonight: 96 %

Friday: 95 %

Friday Night: 95 %

Saturday: 83 %

Saturday Night: 83 %

Sunday: 95 %

Sunday Night: 95 %

Monday: 98 %

Monday Night: 98 %

Tuesday: 85 %

Tuesday Night: 85 %

Wednesday: 88 %

Wednesday Night: 88 %

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

Tonight: 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

Wednesday: 0.0 cm | 0.00 in

Wednesday Night: 0.0 cm | 0.00 in

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