Collinsville, MS Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Collinsville, MS.

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Current Conditions — Collinsville, MS

MERIDIAN/KEY FLD (KMEI)

Clear

78.8 F
Humidity:34%
Wind Speed:SE 9.2 mph
Barometer:29.99 in
Dewpoint:48.2 F
Visibility:10.00 mi
Precip:--
Heat Index:77.9 F
Wind Chill:NA
May 4 2026, 01:50 PM CDT
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5-Day Forecast — Collinsville, MS

Monday

High 80 °F
Partly Sunny
Monday
Night
Low 55 °F
Partly Cloudy
Tuesday

High 82 °F
Mostly Cloudy
Tuesday
Night
Low 64 °F
Mostly Cloudy
Wednesday

High 84 °F
T-storms Likely
Wednesday
Night
Low 62 °F
T-storms
Thursday

High 73 °F
Chance of T-storms
Thursday
Night
Low 50 °F
Slight Chance of Rain
Friday

High 73 °F
Slight Chance of Showers

Detailed Forecast — Collinsville, MS

Monday
Partly Sunny. High near 80°F. Wind 5 to 9 mph, with gusts as high as 15 mph.
Monday Night
Partly Cloudy. Low around 55°F. Wind 5 to 6 mph, with gusts as high as 15 mph.
Tuesday
Mostly Cloudy. High near 82°F. Wind 7 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly Cloudy. Low around 64°F. Wind 9 to 12 mph, with gusts as high as 21 mph.
Wednesday
Thunderstorms Likely. High near 84°F. Wind 8 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Thunderstorms. Low around 62°F. Wind around 10 mph, with gusts as high as 20 mph.
Thursday
Chance of Thunderstorms. High near 73°F. Wind 5 to 10 mph, with gusts as high as 17 mph.
Thursday Night
Slight Chance of Rain. Low around 50°F. Wind around 2 mph, with gusts as high as 10 mph.
Friday
Slight Chance of Showers. High near 73°F. Wind 2 to 6 mph, with gusts as high as 10 mph.
Friday Night
Slight Chance of Rain. Low around 57°F.
Saturday
Chance of Scattered Thunderstorms. High near 78°F. Wind 3 to 6 mph, with gusts as high as 10 mph.
Saturday Night
Slight Chance of Showers. Low around 59°F. Wind around 1 mph, with gusts as high as 7 mph.
Sunday
Chance of Scattered Thunderstorms. High near 82°F. Wind 5 to 8 mph, with gusts as high as 14 mph.
MS Radar
Current Radar • MS
Day 1 Outlook • May 4, 2026

Observation History — Collinsville, MS

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
01:50 PM CDT SE 9.2 10.00 Clear -- 78.8 48.2 34% NA 77.9 29.99 1015.6
01:45 PM CDT W 6.9 10.00 Clear -- 77.0 48.2 36% NA 76.1 29.99 1015.6
01:40 PM CDT 6.9 10.00 Clear -- 78.8 50.0 37% NA 78.1 29.99 1015.6
01:35 PM CDT 8.1 10.00 Clear -- 77.0 50.0 39% NA 76.3 30.00 1015.9
01:30 PM CDT 10.4 10.00 Clear -- 78.8 50.0 37% NA 78.1 30.00 1015.9
01:25 PM CDT S 5.7 10.00 Clear -- 77.0 48.2 36% NA 76.1 30.00 1015.9
01:20 PM CDT SW 9.2 10.00 Clear -- 78.8 48.2 34% NA 77.9 30.00 1015.9
01:10 PM CDT G 18.4 10.00 Clear -- 77.0 50.0 39% NA 76.3 30.00 1015.9
01:00 PM CDT S 9.2 10.00 Clear -- 77.0 50.0 39% NA 76.3 30.01 1016.3
12:50 PM CDT SE 6.9 10.00 Clear -- 75.2 48.2 38% NA 74.3 30.01 1016.3
12:40 PM CDT 10.00 Clear -- 75.2 48.2 38% NA 74.3 30.01 1016.3
12:35 PM CDT 6.9 10.00 Clear -- 77.0 50.0 39% NA 76.3 30.01 1016.3
12:30 PM CDT S 6.9 10.00 Clear -- 75.2 50.0 41% NA 74.3 30.02 1016.6
12:25 PM CDT 4.6 10.00 Clear -- 75.2 48.2 38% NA 74.3 30.02 1016.6
12:20 PM CDT 6.9 10.00 Clear -- 75.2 48.2 38% NA 74.3 30.02 1016.6
12:05 PM CDT 9.2 10.00 Clear -- 75.2 50.0 41% NA 74.3 30.02 1016.6
12:00 PM CDT S 9.2 10.00 Clear -- 75.2 50.0 41% NA 74.3 30.03 1016.9
11:50 AM CDT 10.00 Clear -- 75.2 48.2 38% NA 74.3 30.03 1016.9
11:45 AM CDT SW 4.6 10.00 Clear -- 75.2 50.0 41% NA 74.3 30.03 1016.9
11:40 AM CDT 5.7 10.00 Clear -- 73.4 48.2 41% NA 72.3 30.03 1016.9
11:35 AM CDT 10.4 10.00 Clear -- 73.4 48.2 41% NA 72.3 30.03 1016.9
11:20 AM CDT S 9.2 10.00 Clear -- 73.4 50.0 44% NA 72.5 30.04 1017.3
11:05 AM CDT SW 10.4 10.00 Clear -- 73.4 50.0 44% NA 72.5 30.05 1017.6
11:00 AM CDT 9.2 10.00 Clear -- 73.4 51.8 47% NA 72.7 30.05 1017.6

Regional Weather Observation

MERIDIAN/KEY FLD (KMEI)

Clear
78.8 F

MERIDIAN NAS (KNMM)

Mostly Clear
77.0 F

STARKVILLE (KSTF)

Clear
78.8 F

GOLDEN/COLUMBUS (KGTR)

Mostly Clear
78.8 F

WINONA (K5A6)

Partly Cloudy
77.2 F

COLUMBUS AFB (KCBM)

Mostly Clear
79.3 F
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