Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville (KOXV)

Lat: 41.3°NLon: 93.12°WElev: 928ft.

Fair

50°F

10°C

Humidity 82%
Wind Speed N 8 mph
Barometer 30.25 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 20 May 1:15 am CDT
Extended Forecast for

5 Miles SW Lovilia IA

  • Overnight

    Overnight: Mostly cloudy, with a low around 43. North wind around 7 mph.

    Low: 43 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 64. Northeast wind 7 to 10 mph.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 45. East northeast wind 5 to 8 mph.

    Low: 45 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 30 percent chance of showers after 1pm.  Mostly cloudy, with a high near 64. East wind around 10 mph, with gusts as high as 18 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly after 1am.  Cloudy, with a low around 49. East wind around 10 mph, with gusts as high as 18 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 49 °F

    Showers
    Likely

  • Friday

    Friday: Showers and possibly a thunderstorm.  High near 62. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 62 °F

    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers before 1am.  Mostly cloudy, with a low around 50.

    Low: 50 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 43. North wind around 7 mph.
Wednesday
Sunny, with a high near 64. Northeast wind 7 to 10 mph.
Wednesday Night
Increasing clouds, with a low around 45. East northeast wind 5 to 8 mph.
Thursday
A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 64. East wind around 10 mph, with gusts as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Showers likely, mainly after 1am. Cloudy, with a low around 49. East wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers and possibly a thunderstorm. High near 62. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 50.
Saturday
Partly sunny, with a high near 73.
Saturday Night
Mostly cloudy, with a low around 53.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 56.
Memorial Day
Mostly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Partly sunny, with a high near 86.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Lovilia IA
 41.1°N 93°W
10:11 pm CDT May 19, 2026
1am CDT May 20, 2026-6pm CDT May 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database