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

Severe Weather and Heavy Rainfall from the Midwest to the Ohio Valley; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall threats will persist from the Midwest to Lower Great Lakes through Monday, shifting into the Ohio Valley and Central Appalachians Monday evening into Tuesday. Mid-summer heat will continue across much of the CONUS this week, with record highs possible well into the 100s across the south-central High Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Lamoni, Lamoni Municipal Airport (KLWD)

Lat: 40.63°NLon: 93.9°WElev: 1129ft.

Fair

81°F

27°C

Humidity 85%
Wind Speed SE 7 mph
Barometer 29.83 in (1009.2 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 9 Aug 8:53 pm CDT
Extended Forecast for

Princeton MO

  • Tonight

    Tonight: A slight chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 73. South wind 5 to 7 mph. Chance of precipitation is 20%.

    Low: 73 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A slight chance of showers and thunderstorms before 7am. Partly sunny, with a high near 90. Heat index values as high as 99. South southwest wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 10%.

    High: 90 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 75. Light and variable wind becoming south southwest 5 to 7 mph in the evening.

    Low: 75 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 92. Heat index values as high as 102. South southwest wind 6 to 11 mph, with gusts as high as 22 mph.

    High: 92 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. South wind 6 to 8 mph becoming east in the evening. Chance of precipitation is 20%.

    Low: 74 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 90. Chance of precipitation is 30%.

    High: 90 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 70. Chance of precipitation is 60%.

    Low: 70 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 79. Chance of precipitation is 80%.

    High: 79 °F

    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 66. Chance of precipitation is 80%.

    Low: 66 °F

    Showers

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 73. South wind 5 to 7 mph. Chance of precipitation is 20%.
Monday
A slight chance of showers and thunderstorms before 7am. Partly sunny, with a high near 90. Heat index values as high as 99. South southwest wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 10%.
Monday Night
Partly cloudy, with a low around 75. Light and variable wind becoming south southwest 5 to 7 mph in the evening.
Tuesday
Mostly sunny, with a high near 92. Heat index values as high as 102. South southwest wind 6 to 11 mph, with gusts as high as 22 mph.
Tuesday Night
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. South wind 6 to 8 mph becoming east in the evening. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 90. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 70. Chance of precipitation is 60%.
Thursday
Showers and possibly a thunderstorm. High near 79. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm. Low around 66. Chance of precipitation is 80%.
Friday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Chance of precipitation is 40%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Princeton MO
 40.4°N 93.59°W (Elev. 866 ft)
Last Update:
7:56 pm CDT Aug 9, 2026
Forecast Valid:
9pm CDT Aug 9, 2026-6pm CDT Aug 16, 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