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Weather Fort Smith: Current forecast

Fort Smith / Arkansas (AR) / United States

28.8 °C
Feels like 30.8 °C
Min 21 °C / Max 37 °C
Weather Fort Smith: Sunny, 29 °C Sunny
2.2 mph SSW
Wind
4.7 mph SSW
Gusts
1015 hPa
Pressure
0 mm
Precipitation
61 %
Humidity
0.3
UV index

Pollen (today)

Hazel None
Alder None
Birch None
Oak None
Grass Low
Mugwort Low
Ragweed Low
06:56 / 19:32
Sunrise / Sunset
06:05 / 19:10
Moonrise / Moonset
New Moon (0 %)
Moon phase

Updated: Sep 10, 2026, 16:00 CEST Sep 10, 2026, 9:00 CDT

Today's Summary

If you head out in Fort Smith today, you'll see a sunny sky. The thermometer currently shows 28.8°C. Wear light, breathable clothes and drink plenty of fluids. During the day temperatures will range between 21.1°C and 37°C.

Hourly forecast – Fort Smith, today

Sep 10, 09:00
35 °C
Overcast
Fort Smith Sep 10, 09:00: Overcast, 35 °C
Sep 10, 10:00
32 °C
Cloudy
Fort Smith Sep 10, 10:00: Cloudy, 32 °C
Sep 10, 11:00
34 °C
Overcast
Fort Smith Sep 10, 11:00: Overcast, 34 °C
Sep 10, 12:00
35 °C
Cloudy
Fort Smith Sep 10, 12:00: Cloudy, 35 °C
Sep 10, 13:00
37 °C
Overcast
Fort Smith Sep 10, 13:00: Overcast, 37 °C
Sep 10, 14:00
35 °C
Patchy rain possible
Fort Smith Sep 10, 14:00: Patchy rain possible, 35 °C
Sep 10, 15:00
24 °C
Moderate or heavy rain shower
Fort Smith Sep 10, 15:00: Moderate or heavy rain shower, 24 °C
Sep 10, 16:00
23 °C
Moderate rain
Fort Smith Sep 10, 16:00: Moderate rain, 23 °C
Sep 10, 17:00
22 °C
Patchy rain possible
Fort Smith Sep 10, 17:00: Patchy rain possible, 22 °C
Sep 10, 18:00
22 °C
Patchy rain possible
Fort Smith Sep 10, 18:00: Patchy rain possible, 22 °C
Sep 10, 19:00
22 °C
Overcast
Fort Smith Sep 10, 19:00: Overcast, 22 °C
Sep 10, 20:00
21 °C
Light rain shower
Fort Smith Sep 10, 20:00: Light rain shower, 21 °C
Sep 10, 21:00
22 °C
Light rain shower
Fort Smith Sep 10, 21:00: Light rain shower, 22 °C
Sep 10, 22:00
22 °C
Light rain shower
Fort Smith Sep 10, 22:00: Light rain shower, 22 °C
Sep 10, 23:00
21 °C
Light rain shower
Fort Smith Sep 10, 23:00: Light rain shower, 21 °C
Sep 11, 00:00
21 °C
Light rain shower
Fort Smith Sep 11, 00:00: Light rain shower, 21 °C
Sep 11, 01:00
22 °C
Light rain shower
Fort Smith Sep 11, 01:00: Light rain shower, 22 °C
Sep 11, 02:00
21 °C
Light rain shower
Fort Smith Sep 11, 02:00: Light rain shower, 21 °C
Sep 11, 03:00
21 °C
Light rain shower
Fort Smith Sep 11, 03:00: Light rain shower, 21 °C
Sep 11, 04:00
21 °C
Light rain shower
Fort Smith Sep 11, 04:00: Light rain shower, 21 °C
Sep 11, 05:00
21 °C
Light rain shower
Fort Smith Sep 11, 05:00: Light rain shower, 21 °C
Sep 11, 06:00
21 °C
Light rain shower
Fort Smith Sep 11, 06:00: Light rain shower, 21 °C
Sep 11, 07:00
21 °C
Light rain shower
Fort Smith Sep 11, 07:00: Light rain shower, 21 °C
Sep 11, 08:00
22 °C
Light rain shower
Fort Smith Sep 11, 08:00: Light rain shower, 22 °C
Time
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
00
01
02
03
04
05
06
07
08
Fort Smith Sep 10, 09:00: Overcast
Fort Smith Sep 10, 10:00: Cloudy
Fort Smith Sep 10, 11:00: Overcast
Fort Smith Sep 10, 12:00: Cloudy
Fort Smith Sep 10, 13:00: Overcast
Fort Smith Sep 10, 14:00: Patchy rain possible
Fort Smith Sep 10, 15:00: Moderate or heavy rain shower
Fort Smith Sep 10, 16:00: Moderate rain
Fort Smith Sep 10, 17:00: Patchy rain possible
Fort Smith Sep 10, 18:00: Patchy rain possible
Fort Smith Sep 10, 19:00: Overcast
Fort Smith Sep 10, 20:00: Light rain shower
Fort Smith Sep 10, 21:00: Light rain shower
Fort Smith Sep 10, 22:00: Light rain shower
Fort Smith Sep 10, 23:00: Light rain shower
Fort Smith Sep 11, 00:00: Light rain shower
Fort Smith Sep 11, 01:00: Light rain shower
Fort Smith Sep 11, 02:00: Light rain shower
Fort Smith Sep 11, 03:00: Light rain shower
Fort Smith Sep 11, 04:00: Light rain shower
Fort Smith Sep 11, 05:00: Light rain shower
Fort Smith Sep 11, 06:00: Light rain shower
Fort Smith Sep 11, 07:00: Light rain shower
Fort Smith Sep 11, 08:00: Light rain shower
Temperature (°C)
Chance of rain (%)
10
9
9
6
9
17
80
89
31
35
31
46
76
74
78
81
73
77
81
75
74
77
57
47
Precipitation
—
—
—
—
—
0.1 mm
2.9 mm
6.8 mm
0 mm
0 mm
—
0.2 mm
1 mm
0.9 mm
1.1 mm
1.7 mm
0.8 mm
1.1 mm
1.6 mm
0.9 mm
0.9 mm
1 mm
0.3 mm
0.2 mm
Wind (mph)
NW
4
WNW
4
W
4
SW
3
ESE
3
WSW
9
WSW
15
SSW
9
SSW
5
SE
2
NNE
3
NE
6
E
5
SSE
4
SSE
4
SSE
4
SE
5
E
6
SE
5
SE
4
ESE
4
ESE
5
ESE
5
ESE
4
Pressure (hPa)
1017
1016
1015
1014
1011
1011
1013
1013
1014
1014
1014
1015
1014
1014
1014
1014
1013
1013
1013
1014
1014
1014
1014
1015
Humidity (%)
43 %
48 %
42 %
39 %
32 %
37 %
82 %
89 %
89 %
92 %
92 %
93 %
94 %
96 %
97 %
97 %
96 %
96 %
97 %
98 %
98 %
98 %
98 %
95 %
Cloud cover (%)
100 %
87 %
93 %
74 %
97 %
97 %
100 %
100 %
100 %
100 %
99 %
100 %
100 %
100 %
100 %
100 %
100 %
100 %
100 %
100 %
100 %
100 %
100 %
100 %

14-day weather forecast – Fort Smith

14-day trend for Fort Smith: Forecasts suggest a marked cooldown in the second week. Lows can drop to around 14.7°C at night, with daytime highs up to 38.9°C.

Date
Sep 10
Sep 11
Sep 12
Sep 13
Sep 14
Sep 15
Sep 16
Sep 17
Sep 18
Sep 19
Sep 20
Sep 21
Sep 22
Sep 23
Fort Smith September 10, 2026: Sunny
Fort Smith September 11, 2026: Light rain shower
Fort Smith September 12, 2026: Fog
Fort Smith September 13, 2026: Sunny
Fort Smith September 14, 2026: Sunny
Fort Smith September 15, 2026: Sunny
Fort Smith September 16, 2026: Sunny
Fort Smith September 17, 2026: Sunny
Fort Smith September 18, 2026: Sunny
Fort Smith September 19, 2026: Sunny
Fort Smith September 20, 2026: Overcast
Fort Smith September 21, 2026: Sunny
Fort Smith September 22, 2026: Patchy rain possible
Fort Smith September 23, 2026: Sunny
Temperature (°C)
Chance of rain (%)
70
88
23
3
2
17
2
2
5
2
7
3
57
2
Precipitation
11 mm
12.5 mm
0.3 mm
—
—
0.1 mm
—
—
—
—
—
—
1.3 mm
—
Wind max (mph)
15
6
6
11
11
8
6
7
7
8
9
10
6
9
Date Weather Min °C Max °C Sunrise Sunset Moonrise Moonset Moon phase
September 10, 2026 Fort Smith September 10, 2026: Sunny Sunny 21 °C 37 °C 06:56 19:32 06:05 19:10 New Moon (0 %)
September 11, 2026 Fort Smith September 11, 2026: Light rain shower Light rain shower 21 °C 27 °C 06:57 19:30 07:18 19:39 New Moon (0 %)
September 12, 2026 Fort Smith September 12, 2026: Fog Fog 21 °C 37 °C 06:58 19:29 08:28 20:09 New Moon (3 %)
September 13, 2026 Fort Smith September 13, 2026: Sunny Sunny 24 °C 36 °C 06:58 19:28 09:39 20:39 Waxing Crescent (8 %)
September 14, 2026 Fort Smith September 14, 2026: Sunny Sunny 24 °C 37 °C 06:59 19:26 10:48 21:13 Waxing Crescent (14 %)
September 15, 2026 Fort Smith September 15, 2026: Sunny Sunny 24 °C 38 °C 07:00 19:25 11:56 21:51 Waxing Crescent (23 %)
September 16, 2026 Fort Smith September 16, 2026: Sunny Sunny 26 °C 39 °C 07:01 19:23 13:02 22:34 First Quarter (32 %)
September 17, 2026 Fort Smith September 17, 2026: Sunny Sunny 26 °C 38 °C 07:01 19:22 14:02 23:24 First Quarter (42 %)
September 18, 2026 Fort Smith September 18, 2026: Sunny Sunny 21 °C 33 °C 07:02 19:20 14:56 Does not set today First Quarter (53 %)
September 19, 2026 Fort Smith September 19, 2026: Sunny Sunny 17 °C 30 °C 07:03 19:19 15:43 00:18 First Quarter (63 %)
September 20, 2026 Fort Smith September 20, 2026: Overcast Overcast 15 °C 26 °C 07:04 19:17 16:22 01:16 Waxing Moon (73 %)
September 21, 2026 Fort Smith September 21, 2026: Sunny Sunny 18 °C 34 °C 07:04 19:16 16:56 02:16 Waxing Moon (82 %)
September 22, 2026 Fort Smith September 22, 2026: Patchy rain possible Patchy rain possible 18 °C 25 °C 07:05 19:14 17:24 03:15 Waxing Moon (89 %)
September 23, 2026 Fort Smith September 23, 2026: Sunny Sunny 15 °C 29 °C 07:06 19:13 17:50 04:14 Waxing Moon (95 %)
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