Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Current conditions at

Knoxville (KOXV)

Lat: 41.3°NLon: 93.12°WElev: 928ft.

Fair

72°F

22°C

Humidity 73%
Wind Speed N 7 mph
Barometer 30.03 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 26 Aug 10:35 pm CDT
Extended Forecast for

Swan IA

  • Tonight

    Tonight: Mostly clear, with a low around 62. Light west northwest wind.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84. North northwest wind 3 to 8 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60. Light and variable wind.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 68. South wind 6 to 9 mph.

    Low: 68 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 90. Breezy.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 75. Breezy.

    Low: 75 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 99. Breezy.

    High: 99 °F

    Hot and
    Breezy

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 77.

    Low: 77 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 62. Light west northwest wind.
Thursday
Sunny, with a high near 84. North northwest wind 3 to 8 mph.
Thursday Night
Mostly clear, with a low around 60. Light and variable wind.
Friday
Sunny, with a high near 86. Calm wind becoming south southwest around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 68. South wind 6 to 9 mph.
Saturday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 90. Breezy. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Partly cloudy, with a low around 75. Breezy.
Sunday
Mostly sunny and hot, with a high near 99. Breezy.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Monday
A 30 percent chance of showers before 1pm. Partly sunny and hot, with a high near 97.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Tuesday
Mostly sunny, with a high near 93.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Wednesday
Mostly sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
Swan IA
 41.47°N 93.31°W
10:36 pm CDT Aug 26, 2026
10pm CDT Aug 26, 2026-6pm CDT Sep 2, 2026
 
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Additional Resources

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Hourly Weather Forecast

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