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

Hazardous Weather Conditions

Current conditions at

Knoxville (KOXV)

Lat: 41.3°NLon: 93.12°WElev: 928ft.

Fair

37°F

3°C

Humidity 60%
Wind Speed W 3 mph
Barometer 30.15 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 19 Apr 3:15 am CDT
Extended Forecast for

4 Miles NNE Lacona IA

Frost Advisory April 20, 12:00am until April 20, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Overnight

    Overnight: Clear, with a steady temperature around 37. West southwest wind around 8 mph.

    Low: 37 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 59. Southwest wind 9 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 59 °F

    Sunny

  • Sunday Night

    Sunday Night: Widespread frost between 4am and 5am. Otherwise, mostly clear, with a low around 33. North wind 6 to 9 mph becoming east southeast after midnight.

    Low: 33 °F

    Mostly Clear
    then Frost

  • Monday

    Monday: Widespread frost before 8am. Otherwise, sunny, with a high near 67. Southeast wind 7 to 15 mph, with gusts as high as 22 mph.

    High: 67 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53. South wind around 14 mph, with gusts as high as 23 mph.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a steady temperature around 37. West southwest wind around 8 mph.
Sunday
Sunny, with a high near 59. Southwest wind 9 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Widespread frost between 4am and 5am. Otherwise, mostly clear, with a low around 33. North wind 6 to 9 mph becoming east southeast after midnight.
Monday
Widespread frost before 8am. Otherwise, sunny, with a high near 67. Southeast wind 7 to 15 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 53. South wind around 14 mph, with gusts as high as 23 mph.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 77. Windy.
Thursday Night
Showers and possibly a thunderstorm. Low around 49. Breezy. Chance of precipitation is 80%.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 64.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Partly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Lacona IA
 41.23°N 93.37°W
Last Update:
3:06 am CDT Apr 19, 2026
Forecast Valid:
3am CDT Apr 19, 2026-6pm CDT Apr 25, 2026
 
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Additional Resources

Radar & Satellite Image

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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