Alton Weather
Illinois, United States
Observed: 28 Sep, 1:56 AM HDT
- Air quality
- Fair OpenWeather index: 2/5
- Wind
- NE 4 mph
- Sunrise
- 2:53 AM
- Sunset
- 2:48 PM
More conditions
- Humidity
- 82%
- Visibility
- 10 km
- Pressure
- 1018 hPa
- UV index
- Unavailable
- PM2.5
- 15.89 µg/m³
- PM10
- 16.88 µg/m³
- CO
- 188.2 µg/m³
- NO2
- 5.08 µg/m³
- O3
- 39.14 µg/m³
- SO2
- 0.9 µg/m³
- NH3
- 0.28 µg/m³
Rest of today
- Rain ahead today
- 0% peak chance
- Warmest ahead
- 77°F at 12:00 PM
- Evening rain
- 0% peak chance
- Tomorrow's high
- 5°F warmer
Plan your day
Compare citiesFri, 2 Oct
Moderate Rain
Forecast sample range: 70°F / 58°F
Outdoor plans 8:00 AM-8:00 PM
6:00 PM · 61°F · 0% rain · 11.3 mph wind
Lower rain and wind among the available forecast times.
3-hour forecast
Local time · America/Adak
| Time | Conditions | Temp. | Rain chance | Wind |
|---|---|---|---|---|
| 12:00 AM |  Moderate Rain |
69°F | 100% | 1.5 mph W |
| 3:00 AM |  Moderate Rain |
68°F | 100% | 1.9 mph S |
| 6:00 AM | Moderate Rain |
70°F | 100% | 3.1 mph SE |
| 9:00 AM | Light Rain |
66°F | 79% | 13 mph N |
| 12:00 PM | Light Rain |
63°F | 24% | 13.7 mph N |
| 3:00 PM |  Overcast Clouds |
64°F | 0% | 12.7 mph NE |
| 6:00 PM |  Clear Sky |
61°F | 0% | 11.3 mph NE |
| 9:00 PM | Clear Sky |
58°F | 0% | 9.3 mph NE |
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