Houston, IL Weather Forecast
Local 7-day forecast
Mostly Clear
Track current conditions, temperature changes, wind, and the full daily outlook for Houston, IL in one place.
Mostly clear, with a low around 69. Northeast wind around 1 mph.
Local Weather Overview
This forecast page for Houston, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 15, 2026 5:31 AM CDT.
The active forecast window currently covers Jul 15 to Jul 21, 2026 for Houston, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 15 to Jul 21, 2026
- Latest sync
- Jul 15, 2026 5:31 AM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Houston
Monday looks like the warmest upcoming period in Houston at 94 degrees F.
Overnight is the coolest period ahead with temperatures near 69 degrees F.
The strongest winds are forecast for Tuesday at about 6 to 9 mph NW.
Precipitation is mentioned in 12 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 15, 2026 5:31 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- LSX
- Radar station
- KLSX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 88. Northeast wind 0 to 5 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71. Southeast wind 0 to 3 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. South wind 0 to 3 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71. Southwest wind around 2 mph. Chance of precipitation is 40%.
A chance of rain showers between 7am and 10am, then showers and thunderstorms likely. Mostly sunny, with a high near 89. Chance of precipitation is 60%.
Showers and thunderstorms likely before 7pm, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 60%.
A slight chance of showers and thunderstorms before 1pm. Sunny, with a high near 92. Chance of precipitation is 20%.
Mostly clear, with a low around 73.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 72. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 74. Chance of precipitation is 20%.
A slight chance of rain showers before 7am. Mostly sunny, with a high near 89. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 15
|
Mostly Clear
|
69°F |
1 mph
NE
|
|
Wednesday
Jul 15
|
Sunny then Slight Chance Showers And Thunderstorms
|
88°F |
0 to 5 mph
NE
|
|
Wednesday Night
Jul 15
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
71°F |
0 to 3 mph
SE
|
|
Thursday
Jul 16
|
Mostly Sunny then Chance Showers And Thunderstorms
|
88°F |
0 to 3 mph
S
|
|
Thursday Night
Jul 16
|
Chance Showers And Thunderstorms
|
71°F |
2 mph
SW
|
|
Friday
Jul 17
|
Showers And Thunderstorms Likely
|
89°F |
2 to 6 mph
W
|
|
Friday Night
Jul 17
|
Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
|
72°F |
5 mph
W
|
|
Saturday
Jul 18
|
Slight Chance Showers And Thunderstorms
|
92°F |
7 mph
W
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
73°F |
6 mph
W
|
|
Sunday
Jul 19
|
Sunny then Slight Chance Showers And Thunderstorms
|
92°F |
6 mph
NW
|
|
Sunday Night
Jul 19
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
72°F |
3 mph
SW
|
|
Monday
Jul 20
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
94°F |
6 mph
SW
|
|
Monday Night
Jul 20
|
Slight Chance Showers And Thunderstorms
|
74°F |
6 mph
W
|
|
Tuesday
Jul 21
|
Slight Chance Rain Showers then Mostly Sunny
|
89°F |
6 to 9 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Houston.