Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Current conditions at

Lamoni, Lamoni Municipal Airport (KLWD)

Lat: 40.63°NLon: 93.9°WElev: 1129ft.

Fog

70°F

21°C

Humidity 100%
Wind Speed S 6 mph
Barometer 29.99 in (1014.9 mb)
Dewpoint 70°F (21°C)
Visibility 0.25 mi
Last update 25 Jul 1:53 am CDT
Extended Forecast for

3 Miles E Mercer MO

Heat Advisory July 26, 01:00pm until July 27, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Overnight

    Overnight: A chance of showers and thunderstorms.  Patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 67. South wind around 5 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 9am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 89. Heat index values as high as 99. Southwest wind 3 to 5 mph.

    High: 89 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 73. Light south wind.

    Low: 73 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 94. Heat index values as high as 107. Light south southwest wind increasing to 5 to 10 mph in the morning.

    High: 94 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 76. South wind 8 to 10 mph, with gusts as high as 18 mph.  Chance of precipitation is 20%.

    Low: 76 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of showers and thunderstorms. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 67. South wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 89. Heat index values as high as 99. Southwest wind 3 to 5 mph.
Saturday Night
Partly cloudy, with a low around 73. Light south wind.
Sunday
Partly sunny, with a high near 94. Heat index values as high as 107. Light south southwest wind increasing to 5 to 10 mph in the morning.
Sunday Night
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. South wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Monday
Sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 73.
Tuesday
Mostly sunny, with a high near 90.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Partly cloudy, with a low around 70.
Thursday
Mostly sunny, with a high near 89.
Thursday Night
Partly cloudy, with a low around 70.
Friday
Mostly sunny, with a high near 89.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Mercer MO
 40.51°N 93.47°W (Elev. 1050 ft)
1:51 am CDT Jul 25, 2026
2am CDT Jul 25, 2026-6pm CDT Jul 31, 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