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    • Today

      Apr 29

      79° /67°F
      A few t-storms, some severe
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: High
    • Sun

      Apr 30

      71° /46°
      A few t-storms, some severe
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Mon

      May 1

      65° /48°
      Low clouds, then some sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Tue

      May 2

      75° /56°
      A passing afternoon shower
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More
    • Wed

      May 3

      66° /47°
      Cloudy, showers; not as warm
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More

    Day

    79°Hi RealFeel® 81° Precipitation 60%
    A couple of thunderstorms around, some severe; cloudy
    • SSE 13 mph
    • Gusts: 32 mph
    • Max UV Index: 3 (Moderate)
    • Thunderstorms: 96%
    • Precipitation: 0.54 in
    • Rain: 0.54 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 2.5 hrs
    • Hours of Rain: 2.5 hrs

    Night

    67°Lo RealFeel® 61° Precipitation 76%
    Severe thunderstorms, with damaging winds and hail
    • SSE 9 mph
    • Gusts: 15 mph
    • Max UV Index: N/A
    • Thunderstorms: 95%
    • Precipitation: 1.45 in
    • Rain: 1.45 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 5 hrs
    • Hours of Rain: 5 hrs

    Alton Pollen Levels Apr 29

    • Extreme
    • Very High
    • High
    • Moderate
    • Low
    • Tree Pollen

      High

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 4/29/2016
    High 79° 73° 90° (1952) 60°
    Low 67° 49° 27° (1992) 52°

    Sunrise/Sunset

    • Sunrise: 6:14 AM
    • Sunset: 7:52 PM
    • Duration: 13:38 hr

    Moonrise/Moonset

    • Moonrise: 9:07 AM
    • Moonset: 11:39 PM
    • Duration: 14:32 hr
    Astronomy

    Sat. Pollen

    Sat. Dust & Dander

    Sat. Wind Maps