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    • Tonight

      Sep 19

      62° Lo
      Partly cloudy, warm and muggy
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Wed

      Sep 20

      85° /61°F
      A p.m. t-storm in spots
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
    • Thu

      Sep 21

      84° /67°
      Periods of clouds and sun
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Fri

      Sep 22

      90° /68°
      Mostly sunny
      • High
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: High
      • Tree Pollen: Low
      More
    • Sat

      Sep 23

      90° /66°
      Mostly sunny
      • High
      • ragweed pollen levels
      • Grass Pollen: High
      • Ragweed Pollen: High
      • Tree Pollen: Low
      More

    Day

    85°Hi RealFeel® 88° Precipitation 42%
    Near-record warmth with periods of sun; a shower or thunderstorm in spots in the afternoon
    • Winds from the
    • S 12 mph
    • Gusts: 17 mph
    • Max UV Index: 7 (High)
    • Thunderstorms: 60%
    • Precipitation: 0.15 in
    • Rain: 0.15 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 1 hrs
    • Hours of Rain: 1 hrs

    Night

    61°Lo RealFeel® 63° Precipitation 56%
    Cloudy most of the time with a shower or thunderstorm in the area, mainly early on; mild
    • Winds from the
    • WNW 2 mph
    • Gusts: 8 mph
    • Max UV Index: N/A
    • Thunderstorms: 60%
    • Precipitation: 0.08 in
    • Rain: 0.08 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 1 hrs
    • Hours of Rain: 1 hrs

    Sun Prairie Pollen Levels Sep 20

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

      Low

    • Ragweed Pollen

      Moderate

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/20/2016
    High 85° 70° 89° (1908) 84°
    Low 61° 48° 28° (1956) 55°

    Sunrise/Sunset

    • Sunrise: 6:42 AM
    • Sunset: 6:58 PM
    • Duration: 12:16 hr

    Moonrise/Moonset

    • Moonrise: 6:59 AM
    • Moonset: 7:32 PM
    • Duration: 12:33 hr
    Astronomy

    Wed. Pollen

    Wed. Dust & Dander

    Wed. Wind Maps