Current Conditions
Onalaska, Wisconsin
Wind
S 10 mph16 km/h
Humidity
67%
Cloud Cover
69%
As of Tuesday, September 8, 2026 at 5:08 PM CDT
Today's Outlook
Day
Mostly cloudy and warm, with a high of 77°F25°C and morning low of 70°F21°C. Breezy from the S at 10 to 11 mph16 to 17 km/h. 83% chance of light rain throughout the day.
Night
Overcast, with a low around 73°F23°C. Breezy from the SSW at 8 mph13 km/h. 64% chance of light rain throughout the night.
7-Day Forecast
| Day | Condition | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| Light Rain | High 77°F25°C | Low 70°F21°C | Precip 0.13 in3.3 mm83% | Cloud 85% | Wind S 9 mph15 km/h | Tuesday: Mostly cloudy and warm, with a high of 77°F25°C and morning low of 70°F21°C. Breezy from the S at 10 to 11 mph16 to 17 km/h. 83% chance of light rain throughout the day. Tuesday Night: Overcast, with a low around 73°F23°C. Breezy from the SSW at 8 mph13 km/h. 64% chance of light rain throughout the night. | |
| Showers | High 84°F29°C | Low 68°F20°C | Precip 0.11 in2.7 mm59% | Cloud 43% | Wind W 8 mph12 km/h | Wednesday: Partly cloudy and warm, with a high of 84°F29°C and morning low of 68°F20°C. Breezy from the W at 8 to 12 mph12 to 19 km/h. Wednesday Night: Partly cloudy, with a low around 69°F21°C. Breezy from the W at 7 to 8 mph12 to 13 km/h. 59% chance of showers overnight. | |
| Clear | High 80°F26°C | Low 57°F14°C | Precip 0 in0 mm— | Cloud 12% | Wind WNW 4 mph6 km/h | Thursday: Mostly clear and warm, with a high of 80°F26°C and morning low of 57°F14°C. Light wind from the NW around 3 mph6 km/h. Thursday Night: Mostly clear, with a low around 59°F15°C. Light wind from the W around 4 mph7 km/h. | |
| Clear | High 84°F29°C | Low 60°F15°C | Precip 0 in0 mm— | Cloud 22% | Wind S 10 mph16 km/h | Friday: Mostly clear and warm, with a high of 84°F29°C and morning low of 60°F15°C. Breezy from the S at 11 to 13 mph17 to 21 km/h. Friday Night: Partly cloudy, with a low around 61°F16°C. Breezy from the S at 9 to 12 mph14 to 19 km/h. | |
| Rain | High 76°F25°C | Low 64°F18°C | Precip 0.16 in4.1 mm69% | Cloud 45% | Wind W 9 mph15 km/h | Saturday: Partly cloudy and warm, with a high of 76°F25°C and morning low of 67°F19°C. Breezy from the WNW at 10 mph16 km/h. 39% chance of showers in the morning. Saturday Night: Partly cloudy, with a low around 64°F18°C. Breezy from the WSW at 8 to 11 mph13 to 18 km/h. 69% chance of rain overnight. | |
| Showers | High 69°F21°C | Low 54°F12°C | Precip 0.1 in2.5 mm22% | Cloud 44% | Wind NNW 6 mph9 km/h | Sunday: Partly cloudy and warm, with a high of 69°F21°C and morning low of 54°F12°C. Light wind from the NNW around 6 mph10 km/h. 22% chance of showers around midday. Dry air. Sunday Night: Partly cloudy, with a low around 57°F14°C. Light wind from the NNW around 5 mph8 km/h. 17% chance of showers in the evening. | |
| Rain | High 73°F23°C | Low 55°F13°C | Precip 0.68 in17.3 mm54% | Cloud 73% | Wind SSE 9 mph15 km/h | Monday: Mostly cloudy and warm, with a high of 73°F23°C and morning low of 55°F13°C. Breezy from the SE at 10 to 11 mph16 to 18 km/h. 53% chance of rain throughout the day. Monday Night: Mostly cloudy, with a low around 55°F13°C. Breezy from the SSE at 8 to 11 mph14 to 17 km/h. 54% chance of rain throughout the night. |
15-Day Forecast
| Day | High | Low | Precip | Cloud Cover | Condition | Wind | |
|---|---|---|---|---|---|---|---|
| TuesdaySep 8 | 77°F25°C | 70°F21°C | 0.13 in3.3 mm· 83% | 85% | Light Rain | S 9 mph15 km/h | |
DayMostly cloudy and warm, with a high of 77°F25°C and morning low of 70°F21°C. Breezy from the S at 10 to 11 mph16 to 17 km/h. 83% chance of light rain throughout the day. NightOvercast, with a low around 73°F23°C. Breezy from the SSW at 8 mph13 km/h. 64% chance of light rain throughout the night. | |||||||
| WednesdaySep 9 | 84°F29°C | 68°F20°C | 0.11 in2.7 mm· 59% | 43% | Showers | W 8 mph12 km/h | |
DayPartly cloudy and warm, with a high of 84°F29°C and morning low of 68°F20°C. Breezy from the W at 8 to 12 mph12 to 19 km/h. NightPartly cloudy, with a low around 69°F21°C. Breezy from the W at 7 to 8 mph12 to 13 km/h. 59% chance of showers overnight. | |||||||
| ThursdaySep 10 | 80°F26°C | 57°F14°C | 0 in0 mm· — | 12% | Clear | WNW 4 mph6 km/h | |
DayMostly clear and warm, with a high of 80°F26°C and morning low of 57°F14°C. Light wind from the NW around 3 mph6 km/h. NightMostly clear, with a low around 59°F15°C. Light wind from the W around 4 mph7 km/h. | |||||||
| FridaySep 11 | 84°F29°C | 60°F15°C | 0 in0 mm· — | 22% | Clear | S 10 mph16 km/h | |
DayMostly clear and warm, with a high of 84°F29°C and morning low of 60°F15°C. Breezy from the S at 11 to 13 mph17 to 21 km/h. NightPartly cloudy, with a low around 61°F16°C. Breezy from the S at 9 to 12 mph14 to 19 km/h. | |||||||
| SaturdaySep 12 | 76°F25°C | 64°F18°C | 0.16 in4.1 mm· 69% | 45% | Rain | W 9 mph15 km/h | |
DayPartly cloudy and warm, with a high of 76°F25°C and morning low of 67°F19°C. Breezy from the WNW at 10 mph16 km/h. 39% chance of showers in the morning. NightPartly cloudy, with a low around 64°F18°C. Breezy from the WSW at 8 to 11 mph13 to 18 km/h. 69% chance of rain overnight. | |||||||
| SundaySep 13 | 69°F21°C | 54°F12°C | 0.1 in2.5 mm· 22% | 44% | Showers | NNW 6 mph9 km/h | |
DayPartly cloudy and warm, with a high of 69°F21°C and morning low of 54°F12°C. Light wind from the NNW around 6 mph10 km/h. 22% chance of showers around midday. Dry air. NightPartly cloudy, with a low around 57°F14°C. Light wind from the NNW around 5 mph8 km/h. 17% chance of showers in the evening. | |||||||
| MondaySep 14 | 73°F23°C | 55°F13°C | 0.68 in17.3 mm· 54% | 73% | Rain | SSE 9 mph15 km/h | |
DayMostly cloudy and warm, with a high of 73°F23°C and morning low of 55°F13°C. Breezy from the SE at 10 to 11 mph16 to 18 km/h. 53% chance of rain throughout the day. NightMostly cloudy, with a low around 55°F13°C. Breezy from the SSE at 8 to 11 mph14 to 17 km/h. 54% chance of rain throughout the night. | |||||||
| TuesdaySep 15 | 74°F23°C | 62°F16°C | 0.28 in7.2 mm· 62% | 64% | Rain | WSW 9 mph14 km/h | |
DayMostly cloudy and warm, with a high of 74°F23°C and morning low of 62°F16°C. Breezy from the W at 10 mph15 km/h. 27% chance of showers throughout the day. NightMostly cloudy, with a low around 62°F17°C. Breezy from the WSW at 8 to 11 mph13 to 18 km/h. 62% chance of rain throughout the night. | |||||||
| WednesdaySep 16 | 72°F22°C | 55°F13°C | 0.13 in3.4 mm· 26% | 53% | Showers | ESE 6 mph10 km/h | |
DayMostly cloudy and warm, with a high of 72°F22°C and morning low of 55°F13°C. Breezy from the SE at 7 mph10 km/h. 18% chance of drizzle throughout the day. NightPartly cloudy, with a low around 56°F14°C. Breezy from the ESE at 6 to 7 mph10 to 12 km/h. 26% chance of showers throughout the night. | |||||||
| ThursdaySep 17 | 73°F23°C | 62°F16°C | 0.48 in12.1 mm· 50% | 71% | Rain | S 8 mph13 km/h | |
DayMostly cloudy and warm, with a high of 73°F23°C and morning low of 62°F16°C. Breezy from the SSW at 8 to 9 mph14 to 15 km/h. 50% chance of rain throughout the day. NightMostly cloudy, with a low around 62°F17°C. Breezy from the SSE at 8 mph12 km/h. 47% chance of showers throughout the night. | |||||||
| FridaySep 18 | 69°F21°C | 58°F15°C | 0.32 in8.1 mm· 30% | 57% | Showers | WNW 8 mph12 km/h | |
DayMostly cloudy and warm, with a high of 69°F21°C and morning low of 58°F15°C. Breezy from the WNW at 8 mph13 km/h. 25% chance of showers throughout the day. NightMostly cloudy, with a low around 60°F16°C. Breezy from the WNW at 7 to 8 mph12 to 13 km/h. 30% chance of showers throughout the night. | |||||||
| SaturdaySep 19 | 68°F20°C | 55°F13°C | 0.28 in7.2 mm· 29% | 56% | Showers | WNW 8 mph12 km/h | |
DayMostly cloudy and mild, with a high of 68°F20°C and morning low of 55°F13°C. Breezy from the WNW at 8 to 9 mph13 to 15 km/h. 26% chance of showers throughout the day. NightMostly cloudy, with a low around 56°F13°C. Breezy from the WNW at 7 mph11 km/h. 29% chance of showers throughout the night. | |||||||
| SundaySep 20 | 66°F19°C | 52°F11°C | 0.17 in4.2 mm· 21% | 54% | Showers | NW 7 mph12 km/h | |
DayMostly cloudy and mild, with a high of 66°F19°C and morning low of 52°F11°C. Breezy from the NW at 8 to 9 mph13 to 14 km/h. 20% chance of showers throughout the day. Dry air. NightMostly cloudy, with a low around 54°F12°C. Breezy from the NNW at 7 mph11 km/h. 21% chance of showers throughout the night. | |||||||
| MondaySep 21 | 66°F19°C | 49°F9°C Feels 46°F8°C | 0.08 in2 mm· 14% | 46% | Drizzle | NW 7 mph11 km/h | |
DayPartly cloudy and mild, with a high of 66°F19°C and morning low of 49°F9°C. Breezy from the NW at 8 mph12 km/h. 14% chance of drizzle throughout the day. Dry air. NightPartly cloudy, with a low around 51°F10°C. Breezy from the NW at 7 mph11 km/h. 12% chance of drizzle throughout the night. | |||||||
| TuesdaySep 22 | 68°F20°C | 49°F10°C Feels 46°F8°C | 0.08 in2 mm· 11% | 50% | Drizzle | SSW 7 mph12 km/h | |
DayMostly cloudy and mild, with a high of 68°F20°C and morning low of 49°F10°C. Breezy from the SSW at 8 to 9 mph13 to 14 km/h. 11% chance of drizzle throughout the day. Dry air. NightPartly cloudy, with a low around 51°F10°C. Breezy from the S at 7 mph11 km/h. 11% chance of drizzle throughout the night. | |||||||
Nearby Cities
About This Forecast
This forecast is powered by WeatherMesh, the world's most advanced and accurate weather model powered by AI. WeatherMesh is built on proprietary data from WindBorne's Global Sounding Balloon constellation — the world's largest fleet of autonomous, long-duration weather balloons — collecting observations across 100% of Earth, including over oceans and remote regions where no other data exists.
WeatherMesh consistently outperforms legacy models in independent benchmarks. View Benchmarks →
Access WeatherMesh forecasts programmatically via our API. API Documentation →
Coordinates: 43.8844°N, 91.2351°W·Elevation: 216m·Timezone: America/Chicago·Population: 18,468