Weather Tomorrow

Weather Tomorrow for ZIP 65101

Jefferson City, MO · View full Jefferson City forecast

Heat AdvisoryUntil Sep 16, 8:00 AM

Heat Advisory issued September 15 at 11:53AM CDT until September 18 at 8:00PM CDT by NWS St Louis MO

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. People in the Saint Louis Metropolitan Area can get information about cooling centers or energy assistance related to the excessive heat by calling the United Way of Greater Saint Louis at 800-427-4626, or if calling from a land line phone dial 2-1-1. You can also call Cool Down Saint Louis at 314-241-7668.

Wednesday, September 16, 2026

96°Low 72°FColdHot
Rain

Precip chance

33%

Wind

2-5 mph

Humidity

77%

Feels like

94–74°F

Rain forecast

Low chance of precipitation. Highest risk around 10 AM (33%).

Data source: National Weather Service (NOAA) · Updated just now

Tomorrow by Hour

72°Temperature trend96°
TimeTempConditionRain %Wind
5 AM77°FChance Showers And Thunderstorms
28%
5 mph N
6 AM75°FChance Showers And Thunderstorms
28%
2 mph NE
7 AM74°FChance Showers And Thunderstorms
29%
2 mph E
8 AM74°FChance Showers And Thunderstorms
31%
2 mph NE
9 AM73°FChance Rain Showers
32%
2 mph NE
10 AM73°FChance Rain Showers
33%
2 mph NE
11 AM72°FChance Rain Showers
27%
2 mph NE
12 PM72°FSlight Chance Rain Showers
21%
2 mph NE
1 PM74°FSlight Chance Rain Showers
19%
3 mph E
2 PM76°FSlight Chance Rain Showers
17%
2 mph E
3 PM81°FSlight Chance Rain Showers
15%
3 mph E
4 PM84°FMostly Sunny
14%
3 mph E
5 PM87°FSunny
12%
3 mph E
6 PM91°FSunny
11%
3 mph SE
7 PM93°FSunny
13%
3 mph NE
8 PM94°FSlight Chance Rain Showers
15%
3 mph E
9 PM96°FSlight Chance Showers And Thunderstorms
17%
3 mph E
10 PM94°FSlight Chance Showers And Thunderstorms
20%
3 mph SE
11 PM92°FSlight Chance Showers And Thunderstorms
23%
2 mph E
12 AM89°FPartly Cloudy
5%
2 mph E
1 AM84°FMostly Clear
4%
2 mph SE
2 AM82°FMostly Clear
2%
2 mph SE
3 AM80°FMostly Clear
1%
2 mph SE
4 AM79°FMostly Clear
2%
2 mph SE

Precipitation Timeline

100%
50%
33%
5a11a5p11p
<20%20-50%50-70%>70%

What to Wear Tomorrow

Extreme heat — stay cool and protected

Clothing

  • Lightest possible clothing
  • Wide-brim hat
  • UV-protective shirt if outdoors

Footwear

Breathable sandals

Accessories

  • Sunglasses
  • Sunscreen

Conditions

High: 96°F

Low: 72°F

Wind: 2-5 mph

Rain: 33%

Enjoy your day!

Best Time to Be Outside Tomorrow

12 PM – 1 PM91

Excellent conditions for outdoor activities (comfortable temp, light wind, daylight)

5a11a5p11p