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

Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Current conditions at

Knoxville (KOXV)

Lat: 41.3°NLon: 93.12°WElev: 928ft.

Fair

72°F

22°C

Humidity 61%
Wind Speed S 8 mph
Barometer 29.82 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 12 Oct 1:55 am CDT
Extended Forecast for

Swan IA

  • Overnight

    Overnight: Mostly clear, with a low around 69. South wind 6 to 8 mph.

    Low: 69 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 87. Breezy, with a south southwest wind 8 to 17 mph, with gusts as high as 26 mph.

    High: 87 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. South southwest wind 5 to 14 mph becoming west northwest after midnight. Winds could gust as high as 24 mph.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Sunny, with a high near 80. Light and variable wind becoming north around 5 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Sunny then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 7pm, then showers and possibly a thunderstorm between 7pm and 1am, then showers likely after 1am. Low around 60. North wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 70.

    High: 70 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers before 10pm, then a slight chance of showers and thunderstorms between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 57. Chance of precipitation is 60%.

    Low: 57 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. High near 68. Chance of precipitation is 80%.

    High: 68 °F

    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 48. Breezy.

    Low: 48 °F

    Mostly Cloudy
    and Breezy

Detailed Forecast

Overnight
Mostly clear, with a low around 69. South wind 6 to 8 mph.
Columbus Day
Sunny, with a high near 87. Breezy, with a south southwest wind 8 to 17 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 63. South southwest wind 5 to 14 mph becoming west northwest after midnight. Winds could gust as high as 24 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Sunny, with a high near 80. Light and variable wind becoming north around 5 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms before 7pm, then showers and possibly a thunderstorm between 7pm and 1am, then showers likely after 1am. Low around 60. North wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 70.
Wednesday Night
A slight chance of showers before 10pm, then a slight chance of showers and thunderstorms between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 57. Chance of precipitation is 60%.
Thursday
Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. High near 68. Chance of precipitation is 80%.
Thursday Night
Mostly cloudy, with a low around 48. Breezy.
Friday
Mostly sunny, with a high near 58. Windy.
Friday Night
Mostly clear, with a low around 37.
Saturday
Sunny, with a high near 59.
Saturday Night
Mostly clear, with a low around 42.
Sunday
Sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Swan IA
 41.47°N 93.31°W
Last Update:
1:27 am CDT Oct 12, 2026
Forecast Valid:
2am CDT Oct 12, 2026-6pm CDT Oct 18, 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