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

Severe Thunderstorms and Critical Fire Weather Wednesday

Scattered severe thunderstorms are possible across portions of the northern High Plains Wednesday afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville (KOXV)

Lat: 41.3°NLon: 93.12°WElev: 928ft.

Fair

66°F

19°C

Humidity 30%
Wind Speed N 8 mph
Barometer 30.01 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 12 May 10:55 pm CDT
Extended Forecast for

Knoxville IA

  • Tonight

    Tonight: Clear, with a low around 52. Northwest wind around 9 mph, with gusts as high as 18 mph.

    Low: 52 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 75. North northwest wind 9 to 14 mph, with gusts as high as 21 mph.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 49. North wind 5 to 7 mph becoming south after midnight.

    Low: 49 °F

    Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 79. Breezy, with a south southeast wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 79 °F

    Sunny then
    Partly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Breezy, with a south southeast wind 11 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

    Low: 60 °F

    Chance
    Showers and
    Breezy

  • Friday

    Friday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 60.

    Low: 60 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88.

    High: 88 °F

    Sunny then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Clear, with a low around 52. Northwest wind around 9 mph, with gusts as high as 18 mph.
Wednesday
Sunny, with a high near 75. North northwest wind 9 to 14 mph, with gusts as high as 21 mph.
Wednesday Night
Clear, with a low around 49. North wind 5 to 7 mph becoming south after midnight.
Thursday
Mostly sunny, with a high near 79. Breezy, with a south southeast wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Breezy, with a south southeast wind 11 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Friday
Sunny, with a high near 90.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 60.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. Breezy.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Breezy. Chance of precipitation is 60%.
Monday
Showers likely. Partly sunny, with a high near 82. Breezy. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 59.
Tuesday
Partly sunny, with a high near 78.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Knoxville IA
 41.32°N 93.11°W
Last Update:
10:17 pm CDT May 12, 2026
Forecast Valid:
11pm CDT May 12, 2026-6pm CDT May 19, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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