Onalaska, TX Weather Forecast
Local 7-day forecast
Mostly Cloudy then Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Onalaska, TX in one place.
Showers and thunderstorms likely after 1pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Local Weather Overview
This forecast page for Onalaska, TX 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: Apr 16, 2026 3:01 AM CDT.
The active forecast window currently covers Apr 18 to Apr 22, 2026 for Onalaska, TX.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 18 to Apr 22, 2026
- Latest sync
- Apr 16, 2026 3:01 AM CDT
- Forecast office
- HGX
- Source
- NOAA / NWS
Daily Outlook
This Week in Onalaska
Wednesday looks like the warmest upcoming period in Onalaska at 81 degrees F.
Saturday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Saturday at about 5 to 10 mph SW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 16, 2026 3:01 AM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- HGX
- Radar station
- KHGX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms. Cloudy, with a low around 55. Chance of precipitation is 80%.
A chance of showers and thunderstorms before 7am. Partly sunny, with a high near 73. Chance of precipitation is 50%.
Mostly cloudy, with a low around 55.
A slight chance of rain showers after 1pm. Mostly cloudy, with a high near 68. Chance of precipitation is 20%.
A slight chance of rain showers before 1am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 20%.
A chance of showers and thunderstorms. Partly sunny, with a high near 73. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 18
|
Mostly Cloudy then Showers And Thunderstorms Likely
|
80°F |
5 to 10 mph
SW
|
|
Saturday Night
Apr 18
|
Showers And Thunderstorms
|
55°F |
10 mph
N
|
|
Sunday
Apr 19
|
Chance Showers And Thunderstorms then Partly Sunny
|
73°F |
5 to 10 mph
NE
|
|
Sunday Night
Apr 19
|
Mostly Cloudy
|
55°F |
5 mph
NE
|
|
Monday
Apr 20
|
Mostly Cloudy then Slight Chance Rain Showers
|
68°F |
5 mph
E
|
|
Monday Night
Apr 20
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
56°F |
0 to 5 mph
E
|
|
Tuesday
Apr 21
|
Chance Showers And Thunderstorms
|
73°F |
0 to 5 mph
SE
|
|
Tuesday Night
Apr 21
|
Chance Showers And Thunderstorms then Mostly Cloudy
|
62°F |
5 mph
SE
|
|
Wednesday
Apr 22
|
Partly Sunny then Slight Chance Showers And Thunderstorms
|
81°F |
5 to 10 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Onalaska.