Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Current conditions at

Lamoni, Lamoni Municipal Airport (KLWD)

Lat: 40.63°NLon: 93.9°WElev: 1129ft.

Fair

65°F

18°C

Humidity 97%
Wind Speed N 3 mph
Barometer 29.98 in (1014.5 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 19 Aug 11:53 pm CDT
Extended Forecast for

4 Miles NW Lamoni IA

  • Overnight

    Overnight: Patchy fog after 2am.  Otherwise, partly cloudy, with a low around 64. Light north wind.

    Low: 64 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 81. Light and variable wind.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66. Calm wind becoming south around 5 mph after midnight.

    Low: 66 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 4pm.  Sunny, with a high near 85. Southwest wind 6 to 8 mph.

    High: 85 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms, mainly after 7pm.  Partly cloudy, with a low around 66. Light and variable wind.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm.  Partly sunny, with a high near 80.

    High: 80 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers after 1am.  Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 64. Light north wind.
Thursday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 81. Light and variable wind.
Thursday Night
Mostly clear, with a low around 66. Calm wind becoming south around 5 mph after midnight.
Friday
A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 85. Southwest wind 6 to 8 mph.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly after 7pm. Partly cloudy, with a low around 66. Light and variable wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Sunny, with a high near 82.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 63.
Sunday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 80.
Sunday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 64.
Monday
Partly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Lamoni IA
 40.67°N 93.99°W
10:56 pm CDT Aug 19, 2026
12am CDT Aug 20, 2026-6pm CDT Aug 26, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database