On July 7, 2015, NWS implemented changes to the icons depicted on all of its point-forecast pages. Changes include new icon images with increased clarity, 6-hour increments for rapidly changing weather and new color blocks to highlight forecast hazards.

A page depicting all of the new icon images can be accessed here: www.weather.gov/forecast-icons

Changes to the icons were based on analysis of 6,700 public comments collected in 2014. Also, many of these changes are based on the results of a research project led by the National Center for Atmospheric Research.

Users are encouraged to continue to provide comments regarding these changes via email at icons@noaa.gov. NWS will continue to analyze incoming feedback and refine the icons as necessary. Any substantial change to the icons will be facilitated through the NWS public comment/review process.

Afternoon and Evening Showers and Thunderstorms Continue Across Much of the Southwest

An active monsoon weather pattern will continue through Saturday across much of the southwestern U.S. Scattered afternoon and evening showers and thunderstorms will bring locally excessive rainfall. Flash Flood Watches remain in effect for parts of the region. Some normally dry washes may have rapidly flowing water. Remember when encountering flooded roads: Turn around, don't drown!
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Current conditions at

Knoxville (KOXV)

Lat: 41.3°NLon: 93.12°WElev: 928ft.

Fair

22°C

72°F

Humidity 78%
Wind Speed Calm
Barometer 30.07 in
Dewpoint 18°C (64°F)
Visibility 16 km
Last update 1 Aug 12:35 am CDT
Extended Forecast for

Knoxville IA

  • Overnight

    Overnight: Mostly clear, with a low around 19. South southeast wind 5 to 8 km/h becoming southwest.

    Mostly Clear

    Low: 19 °C

  • Saturday

    Saturday: Mostly sunny, with a high near 31. West wind 10 to 13 km/h.

    Mostly Sunny

    High: 31 °C

  • Saturday
    Night

    Saturday Night: A 50 percent chance of showers and thunderstorms, mainly after 10pm.  Mostly cloudy, with a low around 19. Southwest wind 11 to 16 km/h.  New rainfall amounts between 2.5 and 5 mm possible.

    Chance
    T-storms

    Low: 19 °C

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 31. West southwest wind 11 to 18 km/h.

    Slight Chance
    T-storms

    High: 31 °C

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 19. West southwest wind 10 to 13 km/h.

    Mostly Clear

    Low: 19 °C

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 29.

    Slight Chance
    T-storms

    High: 29 °C

  • Monday
    Night

    Monday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 19.

    Chance
    T-storms

    Low: 19 °C

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 27.

    Chance
    T-storms

    High: 27 °C

  • Tuesday
    Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 18.

    Chance
    T-storms

    Low: 18 °C

Detailed Forecast

Overnight
Mostly clear, with a low around 19. South southeast wind 5 to 8 km/h becoming southwest.
Saturday
Mostly sunny, with a high near 31. West wind 10 to 13 km/h.
Saturday Night
A 50 percent chance of showers and thunderstorms, mainly after 10pm. Mostly cloudy, with a low around 19. Southwest wind 11 to 16 km/h. New rainfall amounts between 2.5 and 5 mm possible.
Sunday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 31. West southwest wind 11 to 18 km/h.
Sunday Night
Mostly clear, with a low around 19. West southwest wind 10 to 13 km/h.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 29.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 19.
Tuesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 27.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 18.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 27.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 18.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 26.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 17.
Friday
Partly sunny, with a high near 26.
  Click Map For Forecast
Point Forecast:
Knoxville IA
 41.32°N 93.11°W
10:56 pm CDT Jul 31, 2015
12am CDT Aug 1, 2015-6pm CDT Aug 6, 2015
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Graph

National Digital Forecast Database