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    • Early AM

      May 23

      50° Lo
      A shower or thunderstorm
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Today

      May 23

      62° /48°F
      Rain becoming steadier
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
    • Wed

      May 24

      64° /46°
      An a.m. shower; mostly cloudy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Thu

      May 25

      72° /54°
      Mostly sunny and warmer
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Fri

      May 26

      73° /56°
      Mostly cloudy, showers around
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More

    Day

    62°Hi RealFeel® 67° Precipitation 81%
    Considerable cloudiness and cooler with a couple of showers, then a steadier rain
    • N 7 mph
    • Gusts: 9 mph
    • Max UV Index: 4 (Moderate)
    • Thunderstorms: 20%
    • Precipitation: 0.41 in
    • Rain: 0.41 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 8 hrs
    • Hours of Rain: 8 hrs

    Night

    48°Lo RealFeel® 45° Precipitation 54%
    A shower in spots this evening; otherwise, considerable cloudiness
    • N 6 mph
    • Gusts: 9 mph
    • Max UV Index: N/A
    • Thunderstorms: 20%
    • Precipitation: 0.05 in
    • Rain: 0.05 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0.5 hrs
    • Hours of Rain: 0.5 hrs

    Decorah Pollen Levels May 23

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

      Moderate

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Moderate

    Temperature History

    more Historical Weather Data >
      Today Normal Record 5/23/2016
    High 62° 74° N/A 82°
    Low 48° 49° N/A 57°

    Sunrise/Sunset

    • Sunrise: 5:36 AM
    • Sunset: 8:32 PM
    • Duration: 14:56 hr

    Moonrise/Moonset

    • Moonrise: 4:28 AM
    • Moonset: 5:58 PM
    • Duration: 13:30 hr
    Astronomy

    Tue. Pollen

    Tue. Dust & Dander

    Tue. Wind Maps