Prévisions météo à 10 jours pour Helena
Tendance à 10 jours (pas de 3 heures) pour Helena (Arkansas, États-Unis), en heure locale (UTC−6). Modèles : RRFS 3 km (run 12/11 12Z) puis GFS 0,25° (run 12/11 12Z).
Autres villes : Helena (Montana, États-Unis), Helena (Alabama, États-Unis), Helena (Georgia, États-Unis), Helena (Oklahoma, États-Unis), Helena (Mississippi, États-Unis)
| Jour | Heure | Temps | T °C (ressenti) |
Vent (km/h) | Humidité % |
Pluie mm |
Pression hPa |
||
|---|---|---|---|---|---|---|---|---|---|
| moy. | raf. | dir. | |||||||
| Jeu. 12 Nov. UV 4 | 12h |  | 17°C (16) | 13 | 23 |  | 59% | -- | 1014 hPa |
| 15h | | 18°C (17) | 15 | 29 | | 55% | -- | 1013 hPa | |
| 18h |  | 14°C (12) | 14 | 28 | | 62% | -- | 1013 hPa | |
| 21h | | 11°C (8) | 16 | 30 |  | 57% | -- | 1015 hPa | |
| Ven. 13 Nov. UV 4 | 00h | | 8°C (4) | 16 | 31 | | 55% | -- | 1016 hPa |
| 03h | | 6°C (2) | 11 | 20 | | 64% | -- | 1017 hPa | |
| 06h | | 4°C (0) | 10 | 18 | | 70% | -- | 1018 hPa | |
| 09h | | 7°C (3) | 14 | 28 | | 53% | -- | 1020 hPa | |
| 12h | | 10°C (7) | 16 | 25 | | 43% | -- | 1018 hPa | |
| 15h | | 10°C (7) | 17 | 28 | | 43% | -- | 1018 hPa | |
| 18h | | 7°C (3) | 14 | 25 | | 55% | -- | 1019 hPa | |
| 21h | | 5°C (2) | 8 | 16 | | 59% | -- | 1020 hPa | |
| Sam. 14 Nov. UV 3 | 00h | | 3°C (-2) | 12 | 22 |  | 69% | -- | 1021 hPa |
| 03h | | 2°C (-2) | 8 | 15 | | 75% | -- | 1022 hPa | |
| 06h | | 1°C (-3) | 9 | 16 | | 75% | -- | 1024 hPa | |
| 09h | | 5°C (1) | 11 | 21 | | 56% | -- | 1027 hPa | |
| 12h |  | 9°C (6) | 13 | 19 | | 42% | -- | 1026 hPa | |
| 15h | | 10°C (8) | 13 | 18 | | 39% | -- | 1024 hPa | |
| 18h | | 6°C (3) | 11 | 16 | | 55% | -- | 1026 hPa | |
| 21h | | 4°C (0) | 9 | 17 | | 69% | -- | 1027 hPa | |
| Dim. 15 Nov. UV 2 | 00h | | 3°C (-1) | 8 | 19 | | 79% | -- | 1027 hPa |
| 03h |  | 2°C (-3) | 8 | 20 | | 87% | -- | 1028 hPa | |
| 06h |  | 1°C (-4) | 8 | 17 | | 88% | -- | 1029 hPa | |
| 09h | | 7°C (4) | 10 | 20 |  | 56% | -- | 1030 hPa | |
| 12h | | 12°C (10) | 11 | 17 | | 36% | -- | 1029 hPa | |
| 15h | | 13°C (12) | 12 | 15 | | 34% | -- | 1027 hPa | |
| 18h |  | 10°C (8) | 10 | 15 | | 46% | -- | 1028 hPa | |
| 21h | | 9°C (6) | 11 | 22 | | 55% | -- | 1029 hPa | |
| Lun. 16 Nov. | 00h | | 7°C (4) | 11 | 20 | | 63% | -- | 1030 hPa |
| 03h | | 6°C (3) | 11 | 17 | | 71% | -- | 1030 hPa | |
| 06h | | 5°C (1) | 11 | 19 | | 75% | -- | 1032 hPa | |
| 09h | | 10°C (8) | 11 | 15 | | 56% | -- | 1033 hPa | |
| 12h | | 15°C (14) | 12 | 15 | | 40% | -- | 1031 hPa | |
| 15h | | 16°C (15) | 12 | 14 | | 37% | -- | 1029 hPa | |
| 18h | | 11°C (9) | 11 | 15 | | 52% | -- | 1030 hPa | |
| 21h | | 9°C (7) | 11 | 16 | | 60% | -- | 1031 hPa | |
| Mar. 17 Nov. | 00h | | 8°C (5) | 11 | 17 | | 65% | -- | 1031 hPa |
| 03h | | 7°C (5) | 10 | 13 | | 70% | -- | 1031 hPa | |
| 06h | | 6°C (4) | 9 | 9 | | 73% | -- | 1032 hPa | |
| 09h | | 11°C (10) | 9 | 11 | | 54% | -- | 1033 hPa | |
| 12h | | 16°C (16) | 9 | 9 |  | 39% | -- | 1032 hPa | |
| 15h | | 17°C (17) | 8 | 8 | | 34% | -- | 1030 hPa | |
| 18h | | 12°C (11) | 8 | 9 | | 48% | -- | 1030 hPa | |
| 21h | | 10°C (8) | 11 | 14 | | 55% | -- | 1030 hPa | |
| Mer. 18 Nov. | 00h | | 9°C (7) | 11 | 16 | | 55% | -- | 1030 hPa |
| 03h | | 8°C (6) | 10 | 13 | | 59% | -- | 1030 hPa | |
| 06h | | 7°C (5) | 10 | 12 | | 63% | -- | 1030 hPa | |
| 09h | | 12°C (10) | 13 | 19 | | 48% | -- | 1031 hPa | |
| 12h | | 17°C (16) | 14 | 17 | | 33% | -- | 1029 hPa | |
| 15h | | 19°C (19) | 14 | 17 | | 28% | -- | 1027 hPa | |
| 18h |  | 13°C (12) | 8 | 9 | | 42% | -- | 1027 hPa | |
| 21h | | 12°C (10) | 13 | 23 | | 45% | -- | 1027 hPa | |
| Jeu. 19 Nov. | 00h | | 10°C (8) | 10 | 16 |  | 47% | -- | 1028 hPa |
| 03h | | 9°C (6) | 11 | 18 | | 48% | -- | 1027 hPa | |
| 06h |  | 9°C (6) | 12 | 24 | | 51% | -- | 1027 hPa | |
| 09h | | 13°C (11) | 13 | 22 | | 47% | -- | 1029 hPa | |
| 12h | | 18°C (18) | 15 | 20 | | 39% | -- | 1027 hPa | |
| 15h | | 19°C (19) | 12 | 15 | | 37% | -- | 1025 hPa | |
| 18h | | 15°C (15) | 8 | 8 | | 51% | -- | 1026 hPa | |
| 21h | | 13°C (12) | 10 | 10 | | 58% | -- | 1026 hPa | |
| Ven. 20 Nov. | 00h | | 12°C (11) | 11 | 14 | | 61% | -- | 1026 hPa |
| 03h | | 11°C (10) | 10 | 10 | | 62% | -- | 1027 hPa | |
| 06h | | 10°C (9) | 9 | 10 | | 67% | -- | 1027 hPa | |
| 09h | | 15°C (14) | 10 | 14 | | 53% | -- | 1029 hPa | |
| 12h | | 21°C (21) | 11 | 14 | | 42% | -- | 1027 hPa | |
| 15h | | 22°C (22) | 9 | 13 | | 41% | -- | 1025 hPa | |
| 18h | | 17°C (17) | 10 | 10 | | 56% | -- | 1025 hPa | |
| 21h | | 15°C (14) | 11 | 15 | | 66% | -- | 1026 hPa | |
| Sam. 21 Nov. | 00h | | 14°C (12) | 11 | 21 | | 68% | -- | 1025 hPa |
| 03h |  | 13°C (11) | 11 | 25 | | 73% | -- | 1025 hPa | |
| 06h | | 13°C (11) | 11 | 28 | | 70% | -- | 1025 hPa | |
| 09h | | 15°C (13) | 14 | 28 | | 57% | -- | 1026 hPa | |
| 12h | | 20°C (20) | 16 | 22 | | 35% | -- | 1025 hPa | |
| 15h | | 22°C (22) | 16 | 20 | | 28% | -- | 1022 hPa | |
| 18h | | 16°C (15) | 13 | 28 | | 49% | -- | 1022 hPa | |
| 21h | | 15°C (13) | 14 | 40 | | 59% | -- | 1022 hPa | |
| Dim. 22 Nov. | 00h |  | 15°C (12) | 16 | 49 | | 60% | -- | 1021 hPa |
| 03h | | 15°C (12) | 15 | 48 | | 64% | -- | 1020 hPa | |
| 06h | | 14°C (11) | 14 | 45 | | 72% | -- | 1020 hPa | |
Point modèle utilisé : latitude 34.53°N, longitude -90.59°E, altitude 66.1 m
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