Thunderstorms and Heavy Rains in the Appalachians

Multiple rounds of moderate to locally heavy rain will impact portions of the Appalachians and Mid-Atlantic, which may lead to flash flooding concerns. Thunderstorms with isolated severe wind gusts will be possible this afternoon from parts of the Southeast into the southern and central Appalachians. A multi-day heavy rain will pose a flash flood threat in New Mexico beginning Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville (KOXV)

Lat: 41.3°NLon: 93.12°WElev: 928ft.

Mostly Cloudy

63°F

17°C

Humidity 94%
Wind Speed NE 6 mph
Barometer 30.11 in
Dewpoint 61°F (16°C)
Visibility 8.00 mi
Last update 21 Sep 12:55 pm CDT
Extended Forecast for

3 Miles SE Dallas IA

  • This Afternoon

    This Afternoon: A slight chance of drizzle before 2pm, then a chance of showers between 2pm and 3pm, then a chance of drizzle after 3pm.  Patchy fog.  Otherwise, mostly cloudy, with a high near 61. East northeast wind around 9 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Chance
    Showers and
    Patchy Fog

  • Tonight

    Tonight: A chance of drizzle before 10pm, then a chance of showers, mainly between 10pm and 3am.  Patchy fog.  Otherwise, cloudy, with a low around 54. East northeast wind around 8 mph.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly before 8am.  Patchy fog before 1pm.  Otherwise, mostly cloudy, with a high near 60. East northeast wind around 8 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Chance
    Showers and
    Patchy Fog
    then Patchy
    Fog

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 47. East northeast wind 3 to 6 mph.

    Low: 47 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 64. East wind 3 to 6 mph.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers before 1pm.  Mostly cloudy, with a high near 64.

    High: 64 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers before 1pm.  Mostly cloudy, with a high near 66.

    High: 66 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A slight chance of drizzle before 2pm, then a chance of showers between 2pm and 3pm, then a chance of drizzle after 3pm. Patchy fog. Otherwise, mostly cloudy, with a high near 61. East northeast wind around 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of drizzle before 10pm, then a chance of showers, mainly between 10pm and 3am. Patchy fog. Otherwise, cloudy, with a low around 54. East northeast wind around 8 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A 30 percent chance of showers, mainly before 8am. Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 60. East northeast wind around 8 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 47. East northeast wind 3 to 6 mph.
Wednesday
Sunny, with a high near 64. East wind 3 to 6 mph.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 64.
Thursday Night
Mostly cloudy, with a low around 55.
Friday
A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 66.
Friday Night
Mostly cloudy, with a low around 57.
Saturday
A 40 percent chance of showers. Mostly cloudy, with a high near 64.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 59.
Sunday
Partly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Dallas IA
 41.17°N 93.23°W
11:37 am CDT Sep 21, 2026
1pm CDT Sep 21, 2026-6pm CDT Sep 27, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database