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Hazardous Weather Conditions

Current conditions at

Knoxville (KOXV)

Lat: 41.3°NLon: 93.12°WElev: 928ft.

Fair

77°F

25°C

Humidity 83%
Wind Speed S 10 mph
Barometer 30.04 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 16 Aug 8:15 am CDT
Extended Forecast for

3 Miles ENE Swan IA

Heat Advisory August 16, 12:00pm until August 16, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Mostly sunny, with a high near 95. Heat index values as high as 109. South southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 95 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 74. South wind around 7 mph.

    Low: 74 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 95. Heat index values as high as 106. East southeast wind 6 to 9 mph becoming south in the afternoon.

    High: 95 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. South wind around 7 mph.

    Low: 74 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. South southwest wind 6 to 9 mph.

    High: 94 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 72. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.

    High: 88 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 65.

    Low: 65 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 95. Heat index values as high as 109. South southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 74. South wind around 7 mph.
Sunday
Mostly sunny, with a high near 95. Heat index values as high as 106. East southeast wind 6 to 9 mph becoming south in the afternoon.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. South wind around 7 mph.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. South southwest wind 6 to 9 mph.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 72. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 65.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Swan IA
 41.47°N 93.25°W
Last Update:
6:20 am CDT Aug 16, 2025
Forecast Valid:
8am CDT Aug 16, 2025-6pm CDT Aug 22, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation