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

Knoxville (KOXV)

Lat: 41.3°NLon: 93.12°WElev: 928ft.

Overcast

43°F

6°C

Humidity 81%
Wind Speed NE 5 mph
Barometer 30.17 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 3 Mar 10:35 pm CST
Extended Forecast for

Swan IA

  • Tonight

    Tonight: A slight chance of drizzle after 4am. Mostly cloudy, with a low around 36. Northeast wind 3 to 5 mph.

    Low: 36 °F

    Mostly Cloudy
    then Slight
    Chance
    Drizzle

  • Wednesday

    Wednesday: A chance of drizzle, mainly after 4pm. Mostly cloudy, with a high near 50. East northeast wind around 6 mph becoming calm in the afternoon.

    High: 50 °F

    Chance
    Drizzle

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after midnight. Patchy dense fog after 9pm. Otherwise, mostly cloudy, with a low around 39. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Showers
    Likely and
    Patchy Dense
    Fog

  • Thursday

    Thursday: Areas of fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 62. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 62 °F

    Areas Fog
    then Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 48. Southeast wind 6 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 71. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 71 °F

    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Rain likely and possibly a thunderstorm before midnight, then a chance of rain. Mostly cloudy, with a low around 38. Chance of precipitation is 70%.

    Low: 38 °F

    Rain Likely
    then Chance
    Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 37.

    Low: 37 °F

    Clear

Detailed Forecast

Tonight
A slight chance of drizzle after 4am. Mostly cloudy, with a low around 36. Northeast wind 3 to 5 mph.
Wednesday
A chance of drizzle, mainly after 4pm. Mostly cloudy, with a high near 50. East northeast wind around 6 mph becoming calm in the afternoon.
Wednesday Night
Showers likely, mainly after midnight. Patchy dense fog after 9pm. Otherwise, mostly cloudy, with a low around 39. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Areas of fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 62. Calm wind becoming south 5 to 7 mph in the afternoon.
Thursday Night
A slight chance of showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 48. Southeast wind 6 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Showers and possibly a thunderstorm. High near 71. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Rain likely and possibly a thunderstorm before midnight, then a chance of rain. Mostly cloudy, with a low around 38. Chance of precipitation is 70%.
Saturday
Mostly sunny, with a high near 54.
Saturday Night
Clear, with a low around 37.
Sunday
Sunny, with a high near 64.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 49.
Tuesday
A 40 percent chance of rain. Partly sunny, with a high near 67. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Swan IA
 41.47°N 93.34°W
Last Update:
5:26 pm CST Mar 3, 2026
Forecast Valid:
10pm CST Mar 3, 2026-6pm CDT Mar 10, 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