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Derby, Kansas 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Derby KS
National Weather Service Forecast for: Derby KS
Issued by: National Weather Service Wichita KS
Updated: 1:57 pm CDT Jul 12, 2025
 
This
Afternoon
This Afternoon: Showers and thunderstorms likely, mainly after 5pm. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a high near 86. East wind 8 to 10 mph.  Chance of precipitation is 60%.
Heavy Rain

Tonight

Tonight: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and 3am, then a slight chance of showers and thunderstorms after 3am. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a low around 68. East northeast wind 5 to 7 mph becoming calm  after midnight.  Chance of precipitation is 50%.
Heavy Rain
then Chance
Showers
Sunday

Sunday: A 10 percent chance of showers and thunderstorms before 7am.  Partly sunny, with a high near 85. East wind 3 to 7 mph.
Slight Chance
T-storms then
Partly Sunny
Sunday
Night
Sunday Night: Mostly cloudy, with a low around 68. East southeast wind 3 to 7 mph.
Mostly Cloudy

Monday

Monday: Partly sunny, with a high near 88. Light and variable wind becoming south southeast 5 to 9 mph in the morning.
Partly Sunny

Monday
Night
Monday Night: Partly cloudy, with a low around 70.
Partly Cloudy

Tuesday

Tuesday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 93.
Mostly Sunny
then Slight
Chance
T-storms
Tuesday
Night
Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 72.
Partly Cloudy
then Slight
Chance
T-storms
Wednesday

Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 92. Chance of precipitation is 30%.
Slight Chance
Showers then
Chance
T-storms
Hi 86 °F Lo 68 °F Hi 85 °F Lo 68 °F Hi 88 °F Lo 70 °F Hi 93 °F Lo 72 °F Hi 92 °F

Hazardous Weather Outlook
 

This Afternoon
 
Showers and thunderstorms likely, mainly after 5pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 86. East wind 8 to 10 mph. Chance of precipitation is 60%.
Tonight
 
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and 3am, then a slight chance of showers and thunderstorms after 3am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 68. East northeast wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 50%.
Sunday
 
A 10 percent chance of showers and thunderstorms before 7am. Partly sunny, with a high near 85. East wind 3 to 7 mph.
Sunday Night
 
Mostly cloudy, with a low around 68. East southeast wind 3 to 7 mph.
Monday
 
Partly sunny, with a high near 88. Light and variable wind becoming south southeast 5 to 9 mph in the morning.
Monday Night
 
Partly cloudy, with a low around 70.
Tuesday
 
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93.
Tuesday Night
 
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 72.
Wednesday
 
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Chance of precipitation is 30%.
Wednesday Night
 
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Thursday
 
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 91.
Thursday Night
 
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Friday
 
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Friday Night
 
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Saturday
 
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.

 

Forecast from NOAA-NWS for Derby KS.

Weather Forecast Discussion
605
FXUS63 KICT 121831
AFDICT

Area Forecast Discussion
National Weather Service Wichita KS
131 PM CDT Sat Jul 12 2025

.KEY MESSAGES...

- Showers and storms possible this afternoon through tonight,
  especially across south and southeast Kansas.

- Below-normal high temperatures through Sunday, then a slight
  warming trend to start the week.

- Opportunities for rain continue through the next seven days,
  with the best chances appearing mid to late week.

&&

.DISCUSSION...
Issued at 130 PM CDT Sat Jul 12 2025

Water vapor imagery and RAP analysis indicate a mid/upper shortwave
moving through the Central Plains with a vort max situated over
central Kansas. The resultant MCS partially decayed over southern
portions of the state late this morning and brought showers and a
few rumbles of thunder to the area early this afternoon. As it moves
eastward, the remnant MCV is expected to encounter ample, weakly-
capped surface instability later this afternoon, which should
continue to promote shower and thunderstorm development. Currently
thinking areas generally along/south of the Kansas Turnpike will see
the best chances for thunderstorm activity while the primary focus
for stronger storms will lie in Oklahoma. As the prior forecast
cycle highlighted, the strongest storms in southeast Kansas will be
capable of marginally-severe wind and small hail given a less
favorable setup than Friday. Per CAM ensembles, the slow-moving
system is progged to exit the southeast corner of the state sometime
Sunday afternoon/evening. Additionally, the slow movement of this
system may support a flooding threat to portions of southern
Kansas as showers and storms train over the area.

PRECIPITATION:

Abundant instability and relatively weak capping will allow for
shower and storm chances to linger over the area through Tuesday,
especially in southeast Kansas. Opportunities for widely scattered
showers and storms will return beginning Tuesday night through
Wednesday as a strengthening surface low develops and rolls in off
the High Plains. Additional frontal passages on Thursday and Friday
will keep rain chances in the forecast to close out the week.

TEMPERATURES:

Below-normal high temperatures (middle 80s to near 90) are expected
for one more day before a warming trend through Tuesday places highs
mostly in the middle to upper 90s. Repeated frontal passages to
close out the week will keep highs near normal (low to middle 90s)
through Saturday.

&&

.AVIATION /18Z TAFS THROUGH 18Z SUNDAY/...
Issued at 1202 PM CDT Sat Jul 12 2025

Overall VFR conditions are expected at all sites for the next 24
hours. An area of showers with some thunder towards our
southwest is slowly moving northeast and will most likely
impact KICT/KHUT for a few hours this afternoon and a bit later
for KCNU. Winds will be northerly at 10 to 15 kts with a few
higher gusts with the exception of KCNU where lighter winds
should prevail.

&&

.ICT WATCHES/WARNINGS/ADVISORIES...
None.

&&

$$

DISCUSSION...JWK
AVIATION...SGS
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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