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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

Lamoni, Lamoni Municipal Airport (KLWD)

Lat: 40.63°NLon: 93.9°WElev: 1129ft.

Fair

83°F

28°C

Humidity 70%
Wind Speed S 7 mph
Barometer 29.96 in (1013.6 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 18 Sep 7:53 pm CDT
Extended Forecast for

South Lineville MO

  • Tonight

    Tonight: A slight chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 71. South southeast wind 7 to 9 mph. Chance of precipitation is 20%.

    Low: 71 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 2pm. Partly sunny, with a high near 83. South southwest wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

    High: 83 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 65. Calm wind becoming north northwest around 6 mph in the evening. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 65 °F

    Heavy Rain

  • Sunday

    Sunday: A chance of showers and thunderstorms. Cloudy, with a high near 71. North northeast wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Cloudy, with a low around 60. Northeast wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Chance
    Showers

  • Monday

    Monday: Showers likely, mainly before 1pm. Cloudy, with a high near 62. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 62 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 59.

    High: 59 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 71. South southeast wind 7 to 9 mph. Chance of precipitation is 20%.
Saturday
A slight chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 2pm. Partly sunny, with a high near 83. South southwest wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 65. Calm wind becoming north northwest around 6 mph in the evening. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
A chance of showers and thunderstorms. Cloudy, with a high near 71. North northeast wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Cloudy, with a low around 60. Northeast wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers likely, mainly before 1pm. Cloudy, with a high near 62. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Mostly cloudy, with a low around 54.
Tuesday
Mostly cloudy, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Mostly cloudy, with a high near 65.
Thursday Night
Mostly cloudy, with a low around 55.
Friday
Partly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Lineville MO
 40.58°N 93.53°W (Elev. 1083 ft)
Last Update:
6:16 pm CDT Sep 18, 2026
Forecast Valid:
8pm CDT Sep 18, 2026-6pm CDT Sep 25, 2026
 
Forecast Discussion
 
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Additional Resources

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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