Wx Sim Forecast For Lenexa, KS
WXSIM Forecast for: Olathe
Issued by: My KC Weather HQ
Updated: Friday, 04-Sep-2026 03:55 pm
 
This
afternoon
Thunder storm
Hot!
Thunder storm
Hot!
Tonight

Partly Cloudy
Partly Cloudy
Saturday

Partly Cloudy
Hot!
Partly Cloudy
Hot!
Saturday
night
Thunder storm
Thunder storm
Sunday

Thunder storm
Thunder storm
Sunday
night
Fog late
Fog late
Monday

Thunder storm
Hot!
Thunder storm
Hot!
Monday
night
Thunder storm
Thunder storm
Tuesday

Sunny
Hot!
Sunny
Hot!
Tuesday
night
Partly Cloudy
Partly Cloudy
<.1 in. <.1 in. <.1 in. <.1 in. <.1 in. <.1 in. <.1 in. <.1 in.
High: 99° Low: 78° High: 100° Low: 76° High: 87° Low: 72° High: 95° Low: 75° High: 100° Low: 73°
Heat: 108°   Heat: 108°   Heat: 94°   Heat: 101°   Heat: 108°  
SSW
6-16
mph
Moderate breeze
SSW
6-16
mph
Moderate breeze
SSW
4
mph
Light breeze
ESE
3
mph
Light air
NW→ENE
5
mph
Light breeze
ESE
6
mph
Light breeze
SE
8-16
mph
Moderate breeze
SSE
9
mph
Gentle breeze
S
12-21
mph
Fresh breeze
SSW
7-18
mph
Moderate breeze
UV: 2
 Low 
UV: 8
 Very High 
UV: 7
 High 
UV: 8
 Very High 
UV: 8
 Very High 

 

This afternoon
 
Mostly cloudy. Scattered thundershowers possible. High 99°. Heat index up to 108°. UV index up to 2. Wind south-southwest around 6 mph, gusting to 16 mph. Chance of precipitation 20 percent. Precipitation mostly less than a tenth of an inch.
Tonight
 
Fair to partly cloudy in the evening, becoming partly cloudy after midnight. Low 78°. Wind south-southwest around 6 mph, gusting to 16 mph.
Saturday
 
Partly cloudy. A slight chance of rain in the afternoon. Precipitation showery or intermittent. High 100°. Heat index up to 108°. UV index up to 8. Wind south-southwest around 4 mph. Chance of precipitation 20 percent. Precipitation mostly less than a tenth of an inch.
Saturday night
 
Partly cloudy. A slight chance of rain after midnight. Scattered thundershowers possible. Low 76°. Wind east-southeast around 3 mph. Chance of precipitation 20 percent. Precipitation mostly less than a tenth of an inch.
Sunday
 
Partly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A chance of rain. Scattered thundershowers possible. High 87°. Heat index up to 94°. UV index up to 7. Wind northwest around 5 mph in the morning, becoming east-northeast in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than a tenth of an inch.
Sunday night
 
Partly cloudy. Light to moderate fog after midnight. A chance of rain. Precipitation showery or intermittent. Low 72°. Wind east-southeast around 6 mph. Chance of precipitation 30 percent. Precipitation mostly less than a tenth of an inch.
Monday
 
Partly cloudy. Light to moderate fog in the morning. A slight chance of rain in the afternoon. Scattered thundershowers possible. High 95°. Heat index up to 101°. UV index up to 8. Wind southeast around 8 mph, gusting to 16 mph. Chance of precipitation less than 20 percent. Precipitation mostly less than a tenth of an inch.
Monday night
 
Partly cloudy in the evening, becoming clear after midnight. A slight chance of rain. Scattered thundershowers possible. Low 75°. Wind south-southeast around 9 mph. Chance of precipitation 20 percent. Precipitation mostly less than a tenth of an inch.
Tuesday
 
Sunny. High 100°. Heat index up to 108°. UV index up to 8. Wind south around 12 mph, gusting to 21 mph.
Tuesday night
 
Fair in the evening, becoming fair to partly cloudy after midnight. A slight chance of rain after midnight. Low 73°. Wind south-southwest around 7 mph, gusting to 18 mph. Chance of precipitation 20 percent. Precipitation mostly less than a tenth of an inch.
Wednesday
 
Partly cloudy. A chance of rain. High 88°. Heat index up to 94°. UV index up to 7. Wind north-northeast around 3 mph. Chance of precipitation 40 percent. Precipitation mostly less than a tenth of an inch.
Wednesday night
 
Partly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A chance of rain in the evening, then rain likely after midnight. Low 62°. Wind north-northeast around 3 mph. Chance of precipitation 70 percent. Precipitation mostly around half an inch.
Thursday
 
Mostly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A chance of rain. High 83°. UV index up to 7. Wind east-southeast around 7 mph. Chance of precipitation 40 percent. Precipitation mostly less than a tenth of an inch.
Thursday night
 
Mostly cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog. A chance of rain in the evening, then a slight chance of rain after midnight. Low 69°. Wind south-southeast around 6 mph in the evening, becoming east-southeast after midnight. Chance of precipitation 40 percent. Precipitation mostly around a tenth of an inch.
Friday
 
Partly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Patchy light fog in the morning. A slight chance of rain. Precipitation showery or intermittent. High 85°. UV index up to 7. Wind southeast around 10 mph, gusting to 16 mph, in the morning, becoming south in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than a tenth of an inch.
Friday night
 
Partly cloudy in the evening, becoming clear after midnight. Low 74°. Wind south around 10 mph.
Saturday
 
Sunny. High 95°. Heat index up to 99°. UV index up to 7. Wind south around 13 mph, gusting to 21 mph.
Saturday night
 
Clear. Low 77°. Wind south around 12 mph, gusting to 18 mph.

WXSIM forecast formatting script by Saratoga-Weather.org.