National Weather Service Forecast for: Newton KS
Issued by: National Weather Service Wichita KS
Updated: 9:26 pm CDT Jun 18, 2026
 
Tonight

Tonight: Mostly cloudy, with a low around 59. South southwest wind 5 to 7 mph becoming calm in the evening.
Mostly Cloudy

 Juneteenth

Juneteenth: Mostly sunny, with a high near 84. Light south southeast wind becoming southeast 5 to 10 mph in the morning.
Mostly Sunny

 Friday
Night
Friday Night: A slight chance of showers before 2am, then a slight chance of showers and thunderstorms between 2am and 3am. Partly cloudy, with a low around 66. East southeast wind 5 to 9 mph. Chance of precipitation is 20%.
Slight Chance
Showers then
Slight Chance
T-storms
 Saturday

Saturday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. South southeast wind 5 to 11 mph, with gusts as high as 18 mph.
Mostly Sunny
then Chance
T-storms
 Saturday
Night
Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 71. Southeast wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Chance
T-storms then
Showers
Likely
 Sunday

Sunday: A 50 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 89.
Chance
T-storms

 Sunday
Night
Sunday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 64.
Chance
T-storms

 Monday

Monday: Partly sunny, with a high near 81.
Partly Sunny

 Monday
Night
Monday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62.
Mostly Clear
then Slight
Chance
T-storms
Lo 59 °F Hi 84 °F Lo 66 °F Hi 85 °F Lo 71 °F Hi 89 °F Lo 64 °F Hi 81 °F Lo 62 °F

Hazardous Weather Outlook
 

Tonight
 
 Mostly cloudy, with a low around 59. South southwest wind 5 to 7 mph becoming calm in the evening.
Juneteenth
 
 Mostly sunny, with a high near 84. Light south southeast wind becoming southeast 5 to 10 mph in the morning.
Friday Night
 
 A slight chance of showers before 2am, then a slight chance of showers and thunderstorms between 2am and 3am. Partly cloudy, with a low around 66. East southeast wind 5 to 9 mph. Chance of precipitation is 20%.
Saturday
 
 A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. South southeast wind 5 to 11 mph, with gusts as high as 18 mph.
Saturday Night
 
 A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 71. Southeast wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Sunday
 
 A 50 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 89.
Sunday Night
 
 A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 64.
Monday
 
 Partly sunny, with a high near 81.
Monday Night
 
 A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62.
Tuesday
 
 A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 83.
Tuesday Night
 
 Partly cloudy, with a low around 65.
Wednesday
 
 A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Wednesday Night
 
 A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Thursday
 
 A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.

 

Forecast from NOAA-NWS for Newton KS.