National Weather Service Forecast for: Junction City KS
Issued by: National Weather Service Topeka, KS
Updated: 9:21 pm CDT Sep 12, 2026
 
Tonight

Tonight: A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 64. East wind around 5 mph. Chance of precipitation is 60%.
Showers
Likely

 Sunday

Sunday: A 40 percent chance of showers and thunderstorms, mainly before 9am. Mostly cloudy, with a high near 81. East wind 5 to 10 mph.
Chance
T-storms then
Mostly Cloudy
 Sunday
Night
Sunday Night: Mostly cloudy, with a low around 67. East wind 5 to 15 mph, with gusts as high as 20 mph.
Mostly Cloudy

 Monday

Monday: Mostly sunny, with a high near 94. Breezy, with a south wind 10 to 20 mph, with gusts as high as 35 mph.
Mostly Sunny
then Sunny
and Breezy
 Monday
Night
Monday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. South wind 10 to 15 mph, with gusts as high as 30 mph.
Mostly Clear
then Chance
Showers
 Tuesday

Tuesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 87. South wind 5 to 10 mph becoming northeast in the afternoon. Chance of precipitation is 80%.
Chance
Showers then
Showers
 Tuesday
Night
Tuesday Night: Showers and possibly a thunderstorm. Low around 66. Northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Showers

 Wednesday

Wednesday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. East wind around 5 mph becoming south in the afternoon. Chance of precipitation is 60%.
Showers
Likely

 Wednesday
Night
Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. Southeast wind around 5 mph. Chance of precipitation is 70%.
Chance
T-storms then
Showers
Likely
Lo 64 °F Hi 81 °F Lo 67 °F Hi 94 °F Lo 73 °F Hi 87 °F Lo 66 °F Hi 85 °F Lo 68 °F

Hazardous Weather Outlook
 

Tonight
 
 A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 64. East wind around 5 mph. Chance of precipitation is 60%.
Sunday
 
 A 40 percent chance of showers and thunderstorms, mainly before 9am. Mostly cloudy, with a high near 81. East wind 5 to 10 mph.
Sunday Night
 
 Mostly cloudy, with a low around 67. East wind 5 to 15 mph, with gusts as high as 20 mph.
Monday
 
 Mostly sunny, with a high near 94. Breezy, with a south wind 10 to 20 mph, with gusts as high as 35 mph.
Monday Night
 
 A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. South wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 87. South wind 5 to 10 mph becoming northeast in the afternoon. Chance of precipitation is 80%.
Tuesday Night
 
 Showers and possibly a thunderstorm. Low around 66. Northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Wednesday
 
 Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. East wind around 5 mph becoming south in the afternoon. Chance of precipitation is 60%.
Wednesday Night
 
 A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. Southeast wind around 5 mph. Chance of precipitation is 70%.
Thursday
 
 A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 50%.
Thursday Night
 
 A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Friday
 
 A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79.
Friday Night
 
 A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Saturday
 
 A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 74.

 

Forecast from NOAA-NWS for Junction City KS.