Gilliam, LA Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Gilliam, LA.

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Current Conditions — Gilliam, LA

TEXARKANA (KTXK)

Clear

80.6 F

Humidity:42%
Wind Speed: mph
Barometer:29.91 in
Dewpoint:55.4 F
Visibility:10.00 mi
Precip:--
Heat Index:80.6 F
Wind Chill:NA
May 4 2026, 01:35 PM CDT

5-Day Forecast — Gilliam, LA

Monday

High 80 °F
Partly Sunny

Monday
Night
Low 64 °F
Mostly Cloudy

Tuesday

High 86 °F
Mostly Cloudy

Tuesday
Night
Low 68 °F
Chance of T-storms

Wednesday

High 80 °F
T-storms Likely

Wednesday
Night
Low 55 °F
Rain Likely
Thursday

High 71 °F
Chance of T-storms

Thursday
Night
Low 53 °F
Partly Cloudy

Friday

High 75 °F
Slight Chance of Showers

Detailed Forecast — Gilliam, LA

Monday
Partly Sunny. High near 80°F. Wind 9 to 15 mph, with gusts as high as 21 mph.
Monday Night
Mostly Cloudy. Low around 64°F. Wind 8 to 14 mph, with gusts as high as 20 mph.
Tuesday
Mostly Cloudy. High near 86°F. Wind 10 to 15 mph, with gusts as high as 22 mph.
Tuesday Night
Chance of Thunderstorms. Low around 68°F. Wind 8 to 10 mph, with gusts as high as 15 mph.
Wednesday
Thunderstorms Likely. High near 80°F. Wind 7 to 9 mph, with gusts as high as 13 mph.
Wednesday Night
Rain Likely. Low around 55°F. Wind around 5 mph, with gusts as high as 7 mph.
Thursday
Chance of Thunderstorms. High near 71°F. Wind 2 to 7 mph, with gusts as high as 16 mph.
Thursday Night
Partly Cloudy. Low around 53°F.
Friday
Slight Chance of Showers. High near 75°F. Wind 1 to 2 mph, with gusts as high as 7 mph.
Friday Night
Partly Cloudy. Low around 57°F.
Saturday
Partly Sunny. High near 80°F. Wind 2 to 3 mph, with gusts as high as 9 mph.
Saturday Night
Mostly Clear. Low around 59°F. Wind around 1 mph, with gusts as high as 6 mph.
Sunday
Isolated T-storm. High near 84°F. Wind 2 to 5 mph, with gusts as high as 13 mph.
LA Radar
Current Radar • LA
Day 1 Outlook • May 4, 2026

Observation History — Gilliam, LA

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)
01:35 PM CDT 10.00 Clear -- 80.6 55.4 42% NA 80.6 29.91 1012.9
01:30 PM CDT 10.00 Clear -- 80.6 53.6 39% NA 80.2 29.92 1013.2
01:20 PM CDT 10.00 Clear -- 80.6 55.4 42% NA 80.6 29.92 1013.2
01:15 PM CDT 10.00 Clear -- 80.6 53.6 39% NA 80.2 29.92 1013.2
01:00 PM CDT 13.8 10.00 Clear -- 80.6 53.6 39% NA 80.2 29.93 1013.5
12:50 PM CDT 10.00 Clear -- 80.6 55.4 42% NA 80.6 29.93 1013.5
12:40 PM CDT G 25.3 10.00 Clear -- 80.6 53.6 39% NA 80.2 29.93 1013.5
12:30 PM CDT S 12.7 10.00 Clear -- 78.8 53.6 42% NA 78.3 29.94 1013.9
12:25 PM CDT 10.00 Clear -- 78.8 53.6 42% NA 78.3 29.94 1013.9
12:20 PM CDT G 28.8 10.00 Clear -- 78.8 53.6 42% NA 78.3 29.94 1013.9
12:10 PM CDT G 24.2 10.00 Clear -- 78.8 53.6 42% NA 78.3 29.95 1014.2
12:05 PM CDT 10.00 Clear -- 78.8 53.6 42% NA 78.3 29.94 1013.9
11:53 AM CDT 12.8 G 24.2 10.00 Clear -- 78.1 55.0 45% NA 77.7 29.95 1014.2
11:50 AM CDT 13.8 10.00 Clear -- 78.8 53.6 42% NA 78.3 29.95 1014.2
11:40 AM CDT G 21.9 10.00 Clear -- 77.0 53.6 44% NA 76.5 29.95 1014.2
11:35 AM CDT G 26.5 10.00 Clear -- 78.8 53.6 42% NA 78.3 29.95 1014.2
11:25 AM CDT G 26.5 10.00 Clear -- 78.8 53.6 42% NA 78.3 29.95 1014.2
11:20 AM CDT 10.00 Clear -- 77.0 53.6 44% NA 76.5 29.95 1014.2
11:10 AM CDT G 24.2 10.00 Clear -- 77.0 53.6 44% NA 76.5 29.96 1014.6
11:05 AM CDT 10.00 Clear -- 75.2 53.6 47% NA 74.7 29.96 1014.6
11:00 AM CDT G 24.2 10.00 Clear -- 75.2 53.6 47% NA 74.7 29.96 1014.6
10:50 AM CDT G 24.2 10.00 Clear -- 75.2 53.6 47% NA 74.7 29.96 1014.6
10:40 AM CDT 10.00 Clear -- 75.2 53.6 47% NA 74.7 29.96 1014.6
10:35 AM CDT 10.00 Clear -- 75.2 53.6 47% NA 74.7 29.96 1014.6

Regional Weather Observation

TEXARKANA (KTXK)

Clear
80.6 F

SHREVEPORT/DWNTN (KDTN)

Clear
77.0 F

MARSHALL (KASL)

Partly Cloudy
77.5 F

SHREVEPORT (KSHV)

Mostly Cloudy
77.0 F

BARKSDALE AFB (KBAD)

Mostly Clear
78.4 F

MOUNT PLEASANT (KOSA)

Clear
77.0 F
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