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Severe Thunderstorms With Heavy Rain Possible In The Upper Midwest; Excessive Heat For Central U.S.

Several rounds of strong to severe thunderstorms will be possible from the northern Plains and upper Midwest to the Great Lakes through Friday. Damaging winds, large hail, and flooding will be the primary threats with these storms. Excessive heat will grip the central Plains with heat indices approaching 105 to 110 degrees. Very hot and humid conditions are likely to expand into the Mid Atlantic. Read More >

Current conditions at

Knoxville (KOXV)

Lat: 41.3°NLon: 93.12°WElev: 928ft.

Mostly Cloudy

23°C

73°F

Humidity 89%
Wind Speed SE 9 km/h
Barometer 29.90 in
Dewpoint 21°C (70°F)
Visibility 16 km
Last update 21 Jul 6:15 am CDT
Extended Forecast for

Knoxville IA

Excessive Heat Warning until July 22, 08:00pm
Click here for hazard details and duration
Excessive Heat Warning
  •  
    Excessive Heat Warning until July 22, 08:00pm

    NOW until
    8:00pm Sat

    Excessive Heat Warning

  • Today

    Today: Mostly sunny and hot, with a high near 37. Heat index values as high as 43. South wind 8 to 13 km/h increasing to 16 to 21 km/h in the afternoon.

    Hot

    High: 37 °C

  • Tonight

    Tonight: Partly cloudy, with a low around 26. South wind 16 to 18 km/h.

    Partly Cloudy

    Low: 26 °C

  • Saturday

    Saturday: Mostly sunny, with a high near 34. Heat index values as high as 39. Southwest wind 14 to 16 km/h becoming north northwest in the afternoon.

    Mostly Sunny

    High: 34 °C

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 22. North northwest wind 5 to 13 km/h becoming southwest after midnight.

    Partly Cloudy

    Low: 22 °C

  • Sunday

    Sunday: Mostly sunny, with a high near 32. West wind 5 to 10 km/h increasing to 11 to 16 km/h in the afternoon.

    Mostly Sunny

    High: 32 °C

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 17.

    Mostly Clear

    Low: 17 °C

  • Monday

    Monday: Sunny, with a high near 28.

    Sunny

    High: 28 °C

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 17.

    Mostly Clear

    Low: 17 °C

Detailed Forecast

Today
Mostly sunny and hot, with a high near 37. Heat index values as high as 43. South wind 8 to 13 km/h increasing to 16 to 21 km/h in the afternoon.
Tonight
Partly cloudy, with a low around 26. South wind 16 to 18 km/h.
Saturday
Mostly sunny, with a high near 34. Heat index values as high as 39. Southwest wind 14 to 16 km/h becoming north northwest in the afternoon.
Saturday Night
Partly cloudy, with a low around 22. North northwest wind 5 to 13 km/h becoming southwest after midnight.
Sunday
Mostly sunny, with a high near 32. West wind 5 to 10 km/h increasing to 11 to 16 km/h in the afternoon.
Sunday Night
Mostly clear, with a low around 17.
Monday
Sunny, with a high near 28.
Monday Night
Mostly clear, with a low around 17.
Tuesday
Sunny, with a high near 30.
Tuesday Night
Mostly clear, with a low around 19.
Wednesday
Mostly sunny, with a high near 32.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 22.
Thursday
Partly sunny, with a high near 32.
Click Map For Forecast
Point Forecast:
Knoxville IA
 41.32°N 93.11°W
4:33 am CDT Jul 21, 2017
6am CDT Jul 21, 2017-6pm CDT Jul 27, 2017
 
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