Alton Weather
Illinois, United States
Observed: 28 Sep, 1:52 AM HDT
- Air quality
- Fair OpenWeather index: 2/5
- Wind
- NE 2 m/s
- 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
- 25°C at 12:00 PM
- Evening rain
- 0% peak chance
- Tomorrow's high
- 3°C warmer
Plan your day
Compare citiesFri, 2 Oct
Moderate Rain
Forecast sample range: 21°C / 14°C
Outdoor plans 8:00 AM-8:00 PM
6:00 PM · 16°C · 0% rain · 5.1 m/s 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 |
20°C | 100% | 0.7 m/s W |
| 3:00 AM |  Moderate Rain |
20°C | 100% | 0.8 m/s S |
| 6:00 AM | Moderate Rain |
21°C | 100% | 1.4 m/s SE |
| 9:00 AM | Light Rain |
19°C | 79% | 5.8 m/s N |
| 12:00 PM | Light Rain |
17°C | 24% | 6.1 m/s N |
| 3:00 PM |  Overcast Clouds |
18°C | 0% | 5.7 m/s NE |
| 6:00 PM |  Clear Sky |
16°C | 0% | 5.1 m/s NE |
| 9:00 PM | Clear Sky |
14°C | 0% | 4.2 m/s NE |
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