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

Heavy Rainfall and Flooding in the Southwest and Along the East Coast

A multi-day heavy rainfall event is set to begin across New Mexico into west Texas Tuesday through Wednesday. Flash flooding and debris flows in the vicinity of burn scars will also be possible. A strong coastal low will develop offshore of the Mid-Atlantic coast midweek, bringing heavy rainfall, strong winds and coastal flooding to much of the East Coast through Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Lamoni, Lamoni Municipal Airport (KLWD)

Lat: 40.63°NLon: 93.9°WElev: 1129ft.

Overcast

61°F

16°C

Humidity 97%
Wind Speed Vrbl 3 mph
Barometer 30.14 in (1020.3 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 21 Sep 9:53 pm CDT
Extended Forecast for

Leon IA

  • Tonight

    Tonight: A slight chance of drizzle before 1am. Patchy fog. Otherwise, cloudy, with a steady temperature around 58. Northeast wind around 7 mph.

    Low: 58 °F

    Slight Chance
    Drizzle and
    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 1pm. Otherwise, cloudy, with a high near 61. East northeast wind around 8 mph.

    High: 61 °F

    Patchy Fog

  • Tuesday Night

    Tuesday Night: Cloudy, then gradually becoming partly cloudy, with a low around 50. East northeast wind 3 to 6 mph.

    Low: 50 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 65. East wind around 6 mph.

    High: 65 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51. East wind 3 to 5 mph.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers. Mostly cloudy, with a high near 64. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers

  • Friday

    Friday: A 50 percent chance of showers. Mostly cloudy, with a high near 65.

    High: 65 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.

    Low: 57 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Tonight
A slight chance of drizzle before 1am. Patchy fog. Otherwise, cloudy, with a steady temperature around 58. Northeast wind around 7 mph.
Tuesday
Patchy fog before 1pm. Otherwise, cloudy, with a high near 61. East northeast wind around 8 mph.
Tuesday Night
Cloudy, then gradually becoming partly cloudy, with a low around 50. East northeast wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 65. East wind around 6 mph.
Wednesday Night
Partly cloudy, with a low around 51. East wind 3 to 5 mph.
Thursday
A 30 percent chance of showers. Mostly cloudy, with a high near 64. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 55.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 65.
Friday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Saturday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 60.
Sunday
Mostly cloudy, with a high near 72.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Leon IA
 40.75°N 93.75°W
Last Update:
2:43 pm CDT Sep 21, 2026
Forecast Valid:
10pm CDT Sep 21, 2026-6pm CDT Sep 28, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation