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County Forecast for Lamar , MO
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121700-
Barton-
Including the cities of Kenoma and Lamar
422 AM CDT Thu Mar 12 2026

Today   Sunny. Highs in the upper 50s. Southwest winds 5 to 10 mph with gusts up to 20 mph, increasing to 15 to 20 mph with gusts up to 35 mph this afternoon.
Tonight   Mostly clear and breezy. Not as cool with lows in the lower 40s. Southwest winds 20 to 25 mph with gusts up to 40 mph.
Friday   Sunny. Highs in the mid 60s. West winds 10 to 15 mph with gusts up to 25 mph, becoming north 5 to 10 mph in the afternoon.
Friday night   Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 40s. East winds 5 to 10 mph.
Saturday   Sunny. Highs in the lower 70s. South winds 10 to 15 mph.
Saturday night   Partly cloudy in the evening, then becoming mostly cloudy. Not as cool with lows in the mid 50s.
Sunday   Showers likely, mainly in the morning. Breezy with highs in the mid 60s. Temperature falling into the upper 40s in the afternoon. Chance of rain 70 percent.
Sunday night   Mostly cloudy with a slight chance of rain and snow showers in the evening, then partly cloudy after midnight. Windy and much colder with lows around 20. Chance of precipitation 20 percent.
Monday   Sunny. Much cooler with highs in the upper 30s.
Monday night   Mostly clear in the evening, then becoming mostly cloudy. Cold with lows in the lower 20s.
Tuesday and tuesday night   Mostly cloudy. Highs in the mid 50s. Lows around 40.
Wednesday   Mostly sunny. Warmer with highs in the upper 60s.
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DTN Weather Summary

Bryce Anderson image
Bryce Anderson – DTN Meteorologist
System Moving Through Northern Plains with Snow, Extreme Winds
Posted at 5:39AM Thu Mar 12, 2026 CDT
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