Weather 101: Why do clouds float? Orian wants to know how it is possible for clouds to stay afloat
Clouds are made of up of microscopic water droplets that are often half the width of a human hair.
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About the Author Justin Horne headshot
Justin Horne is a meteorologist and reporter for KSAT 12 News. When severe weather rolls through, Justin will hop in the KSAT 12 Storm Chaser to safely bring you the latest weather conditions from across South Texas. On top of delivering an accurate forecast, Justin often reports on one of his favorite topics: Texas history.
Krampus parade returns for 2nd year to haunt downtown San Antonio ▶ 0:45
Krampus parade returns for 2nd year to haunt downtown San Antonio
Human remains found on east Bexar County property, sheriff says ▶ 1:03
Human remains found on east Bexar County property, sheriff says
Kerrville Police Department releases 911 calls from July 4 floods ▶ 2:46
Kerrville Police Department releases 911 calls from July 4 floods
Police: Suicide note, self-harm behavior uncovered amid investigation of Texas A&M student’s death ▶ 1:34
Police: Suicide note, self-harm behavior uncovered amid investigation of Texas A&M student’s death
Teen charged in brother’s shooting to remain in detention after violating release terms ▶ 0:44
Teen charged in brother’s shooting to remain in detention after violating release terms
Check out these space heater safety tips ▶ 1:22
Check out these space heater safety tips
Here’s what the KSAT newsroom listened to in 2025 ▶ 0:56
Here’s what the KSAT newsroom listened to in 2025
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Have a child on social media? Here is how to monitor what they are up to
'KPop Demon Hunters' Creator Answers Fans’ Burning Questions ▶ 1:38
'KPop Demon Hunters' Creator Answers Fans’ Burning Questions
‘I wouldn’t have left you’: Good Samaritan left critically injured after Universal City hit-and-run ▶ 0:32
‘I wouldn’t have left you’: Good Samaritan left critically injured after Universal City hit-and-run
Amazon’s Prime Air drone deliveries are in full swing across San Antonio ▶ 1:26
Amazon’s Prime Air drone deliveries are in full swing across San Antonio
The Running Event kicks off downtown ahead of inaugural San Antonio Marathon_Trim ▶ 1:03
The Running Event kicks off downtown ahead of inaugural San Antonio Marathon_Trim
Castle Hills nursing home resident spreads warmth with handmade hats for San Antonio’s community ▶ 1:52
Castle Hills nursing home resident spreads warmth with handmade hats for San Antonio’s community
San Antonio could test drive lower speed limits, but funding issues may push it down the road ▶ 0:57
San Antonio could test drive lower speed limits, but funding issues may push it down the road
Body cam captures LOPD officer making false claims about business owner months before owner’s arrest ▶ 1:03
Body cam captures LOPD officer making false claims about business owner months before owner’s arrest
Road closures to be aware of during the San Antonio Marathon ▶ 1:55
Road closures to be aware of during the San Antonio Marathon
Mother of Texas A&M student demands answers after daughter’s fatal fall from high-rise in Austin ▶ 2:07
Mother of Texas A&M student demands answers after daughter’s fatal fall from high-rise in Austin
Do police have to wait 24 hours to declare an adult missing? ▶ 2:20
Do police have to wait 24 hours to declare an adult missing?
Harlandale ISD teacher arrested, accused of sexual assault of child, SAPD says ▶ 1:05
Harlandale ISD teacher arrested, accused of sexual assault of child, SAPD says
Mother questions circumstances surrounding death of daughter, a Texas A&M student, in Austin ▶ 1:03
Mother questions circumstances surrounding death of daughter, a Texas A&M student, in Austin
Ousted Alamo Trust president questions timing of resignation request ▶ 1:13
Ousted Alamo Trust president questions timing of resignation request
Prepare to pay a $45 fee to fly if you don't have a Real ID ▶ 0:35
Prepare to pay a $45 fee to fly if you don't have a Real ID
Some UTSA students forced to move dorm rooms as school complies with state’s ‘bathroom bill’ ▶ 1:08
Some UTSA students forced to move dorm rooms as school complies with state’s ‘bathroom bill’
How to share your San Antonio Marathon pics & videos to KSAT Connect ▶ 0:29
How to share your San Antonio Marathon pics & videos to KSAT Connect
How Black Friday can make the economy seem healthier than it is ▶ 1:18
How Black Friday can make the economy seem healthier than it is
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