National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Knoxville (KOXV)

Lat: 41.3°NLon: 93.12°WElev: 928ft.

Fair

79°F

26°C

Humidity 65%
Wind Speed S 9 mph
Barometer 29.92 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 2 Sep 12:55 am CDT
Extended Forecast for

3 Miles SSW Swan IA

Heat Advisory September 2, 01:47am until September 3, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 2, 01:47am until September 3, 07:00pm

    NOW until 7:00pm Thu

    Heat Advisory

  • Overnight

    Low: 77 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 94. Southwest wind 8 to 10 mph.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly clear, with a low around 76. South wind 7 to 9 mph.

    Low: 76 °F

    Mostly Clear
    then Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms before 9am. Mostly sunny, with a high near 92. South southwest wind 6 to 11 mph.

    High: 92 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76. South southeast wind 7 to 9 mph.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

Detailed Forecast

Overnight
Partly cloudy, with a low around 77. South southwest wind 8 to 10 mph.
Wednesday
Sunny, with a high near 94. Southwest wind 8 to 10 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly clear, with a low around 76. South wind 7 to 9 mph.
Thursday
A 20 percent chance of showers and thunderstorms before 9am. Mostly sunny, with a high near 92. South southwest wind 6 to 11 mph.
Thursday Night
Mostly clear, with a low around 76. South southeast wind 7 to 9 mph.
Friday
Mostly sunny, with a high near 93.
Friday Night
Partly cloudy, with a low around 74.
Saturday
Mostly sunny, with a high near 92.
Saturday Night
Partly cloudy, with a low around 73.
Sunday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 90.
Sunday Night
Partly cloudy, with a low around 70.
Labor Day
Mostly sunny, with a high near 88.
Monday Night
Mostly cloudy, with a low around 70.
Tuesday
Partly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Swan IA
 41.43°N 93.34°W
Last Update:
1:26 am CDT Sep 2, 2026
Forecast Valid:
1am CDT Sep 2, 2026-6pm CDT Sep 8, 2026
 
Forecast Discussion
 
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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