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2026 NWS Jackson/Mississippi Tornado Information

Hazardous Weather Conditions

Heat Advisory in effect from August 20, 11:00 AM CDT until August 20, 08:00 PM CDT

Current conditions at

Columbia-Marion County Airport (K0R0)

Lat: 31.3°NLon: 89.81°WElev: 265ft.

Unknown Precip

81°F

27°C

Humidity	100%
Wind Speed	Calm
Barometer	30.08 in
Dewpoint	81°F (27°C)
Visibility	10.00 mi
Heat Index	91°F (33°C)
Last update	20 Aug 8:10 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

7 Miles S Columbia MS

Heat Advisory August 20, 11:00am until August 20, 08:00pm

Click here for hazard details and duration

Heat Advisory

Today
High: 100 °F
Mostly Sunny
then Chance
T-storms
Tonight
Low: 74 °F
Chance
T-storms then
Partly Cloudy
Friday
High: 100 °F
Mostly Sunny
then Chance
T-storms
Friday Night
Low: 73 °F
Chance
T-storms
Saturday
High: 100 °F
Hot
Saturday Night
Low: 72 °F
Mostly Clear
Sunday
High: 101 °F
Hot
Sunday Night
Low: 73 °F
Slight Chance
T-storms
Monday
High: 98 °F
Slight Chance
Showers then
Chance
T-storms

Detailed Forecast

Today

A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny and hot, with a high near 100. Heat index values as high as 109. Calm wind becoming west around 5 mph.

Tonight

A 30 percent chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 74. Calm wind.

Friday

A 40 percent chance of showers and thunderstorms after 3pm. Sunny and hot, with a high near 100. Heat index values as high as 109. Calm wind becoming west northwest around 5 mph.

Friday Night

A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly clear, with a low around 73. Calm wind.

Saturday

Sunny and hot, with a high near 100. Calm wind becoming north around 5 mph.

Saturday Night

Mostly clear, with a low around 72. Calm wind.

Sunday

Sunny and hot, with a high near 101. Calm wind.

Sunday Night

A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 73. Calm wind.

Monday

A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 98. Calm wind becoming northwest around 5 mph. Chance of precipitation is 40%.

Monday Night

Partly cloudy, with a low around 73.

Tuesday

A 40 percent chance of showers and thunderstorms. Sunny and hot, with a high near 98.

Tuesday Night

Mostly clear, with a low around 73.

Wednesday

A 30 percent chance of showers and thunderstorms. Sunny and hot, with a high near 99.