Prévisions météo à 10 jours pour Helena
Tendance à 10 jours (pas de 3 heures) pour Helena (Mississippi, 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 (Arkansas, États-Unis), Helena (Georgia, États-Unis), Helena (Oklahoma, 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 |  | 24°C (25) | 17 | 26 |  | 42% | -- | 1011 hPa |
| 15h | | 23°C (23) | 19 | 32 | | 32% | -- | 1010 hPa | |
| 18h |  | 18°C (17) | 17 | 31 | | 50% | -- | 1011 hPa | |
| 21h | | 14°C (13) | 9 | 19 | | 63% | -- | 1013 hPa | |
| Ven. 13 Nov. UV 5 | 00h | | 12°C (10) | 9 | 19 | | 74% | -- | 1013 hPa |
| 03h | | 10°C (8) | 8 | 14 | | 82% | -- | 1013 hPa | |
| 06h | | 10°C (8) | 10 | 18 |  | 82% | -- | 1014 hPa | |
| 09h | | 14°C (12) | 14 | 27 | | 61% | -- | 1016 hPa | |
| 12h | | 18°C (17) | 17 | 32 | | 40% | -- | 1014 hPa | |
| 15h | | 18°C (17) | 18 | 34 | | 31% | -- | 1013 hPa | |
| 18h | | 13°C (11) | 16 | 26 | | 40% | -- | 1015 hPa | |
| 21h | | 9°C (6) | 10 | 20 | | 51% | -- | 1017 hPa | |
| Sam. 14 Nov. UV 5 | 00h | | 7°C (3) | 12 | 22 | | 52% | -- | 1018 hPa |
| 03h |  | 5°C (1) | 11 | 21 | | 60% | -- | 1019 hPa | |
| 06h | | 4°C (-0) | 10 | 19 | | 68% | -- | 1020 hPa | |
| 09h | | 9°C (6) | 13 | 27 |  | 51% | -- | 1023 hPa | |
| 12h | | 14°C (13) | 14 | 19 | | 32% | -- | 1022 hPa | |
| 15h | | 15°C (13) | 17 | 25 | | 30% | -- | 1021 hPa | |
| 18h |  | 10°C (7) | 14 | 22 | | 42% | -- | 1022 hPa | |
| 21h | | 7°C (4) | 9 | 17 | | 54% | -- | 1025 hPa | |
| Dim. 15 Nov. UV 3 | 00h |  | 5°C (1) | 8 | 18 | | 58% | -- | 1025 hPa |
| 03h |  | 6°C (2) | 12 | 25 | | 56% | -- | 1025 hPa | |
| 06h | | 5°C (1) | 13 | 25 | | 64% | -- | 1026 hPa | |
| 09h |  | 11°C (8) | 13 | 27 | | 44% | -- | 1027 hPa | |
| 12h | | 16°C (15) | 13 | 19 | | 31% | -- | 1026 hPa | |
| 15h | | 17°C (17) | 10 | 12 |  | 27% | -- | 1024 hPa | |
| 18h | | 11°C (10) | 6 | 8 | | 45% | -- | 1025 hPa | |
| 21h | | 10°C (8) | 7 | 15 | | 47% | -- | 1027 hPa | |
| Lun. 16 Nov. | 00h | | 9°C (7) | 7 | 15 | | 52% | -- | 1027 hPa |
| 03h | | 8°C (5) | 8 | 18 | | 56% | -- | 1027 hPa | |
| 06h | | 6°C (2) | 8 | 20 | | 63% | -- | 1028 hPa | |
| 09h | | 13°C (11) | 11 | 22 | | 40% | -- | 1030 hPa | |
| 12h | | 18°C (18) | 11 | 17 | | 26% | -- | 1028 hPa | |
| 15h |  | 19°C (19) | 11 | 15 | | 25% | -- | 1026 hPa | |
| 18h | | 12°C (11) | 8 | 13 | | 45% | -- | 1028 hPa | |
| 21h | | 10°C (7) | 9 | 27 | | 51% | -- | 1029 hPa | |
| Mar. 17 Nov. | 00h | | 8°C (5) | 9 | 24 | | 61% | -- | 1029 hPa |
| 03h | | 7°C (3) | 9 | 31 | | 61% | -- | 1029 hPa | |
| 06h | | 6°C (1) | 9 | 30 | | 61% | -- | 1029 hPa | |
| 09h | | 14°C (12) | 13 | 25 | | 41% | -- | 1030 hPa | |
| 12h | | 19°C (19) | 12 | 16 | | 34% | -- | 1029 hPa | |
| 15h | | 20°C (20) | 11 | 14 | | 30% | -- | 1027 hPa | |
| 18h | | 12°C (11) | 8 | 14 | | 48% | -- | 1028 hPa | |
| 21h | | 10°C (7) | 9 | 25 | | 56% | -- | 1029 hPa | |
| Mer. 18 Nov. | 00h | | 8°C (6) | 7 | 9 | | 64% | -- | 1028 hPa |
| 03h | | 7°C (5) | 8 | 12 | | 66% | -- | 1028 hPa | |
| 06h | | 7°C (3) | 8 | 24 | | 66% | -- | 1029 hPa | |
| 09h | | 15°C (14) | 11 | 20 | | 46% | -- | 1029 hPa | |
| 12h | | 20°C (20) | 11 | 16 | | 40% | -- | 1027 hPa | |
| 15h | | 21°C (21) | 10 | 14 | | 39% | -- | 1026 hPa | |
| 18h | | 14°C (14) | 6 | 6 | | 64% | -- | 1026 hPa | |
| 21h | | 12°C (11) | 6 | 8 | | 76% | -- | 1027 hPa | |
| Jeu. 19 Nov. | 00h | | 11°C (10) | 6 | 8 | | 81% | -- | 1027 hPa |
| 03h | | 10°C (9) | 8 | 10 | | 76% | -- | 1026 hPa | |
| 06h | | 10°C (7) | 8 | 21 | | 68% | -- | 1027 hPa | |
| 09h | | 17°C (16) | 11 | 20 | | 53% | -- | 1028 hPa | |
| 12h | | 22°C (22) | 11 | 16 | | 40% | -- | 1026 hPa | |
| 15h | | 23°C (24) | 10 | 15 | | 41% | -- | 1024 hPa | |
| 18h | | 16°C (15) | 8 | 15 | | 64% | -- | 1024 hPa | |
| 21h |  | 15°C (14) | 8 | 22 | | 73% | -- | 1025 hPa | |
| Ven. 20 Nov. | 00h | | 14°C (13) | 7 | 14 | | 84% | -- | 1025 hPa |
| 03h | | 13°C (11) | 7 | 20 | | 90% | -- | 1025 hPa | |
| 06h | | 13°C (11) | 8 | 24 | | 89% | -- | 1025 hPa | |
| 09h |  | 20°C (22) | 12 | 25 | | 60% | -- | 1026 hPa | |
| 12h |  | 24°C (26) | 14 | 20 | | 46% | -- | 1025 hPa | |
| 15h | | 24°C (26) | 12 | 16 |  | 46% | -- | 1023 hPa | |
| 18h | | 16°C (16) | 6 | 8 | | 84% | -- | 1024 hPa | |
| 21h | | 15°C (14) | 8 | 13 | | 73% | -- | 1025 hPa | |
| Sam. 21 Nov. | 00h | | 14°C (13) | 7 | 19 | | 78% | -- | 1025 hPa |
| 03h | | 13°C (12) | 7 | 15 | | 79% | -- | 1024 hPa | |
| 06h | | 13°C (11) | 9 | 28 | | 79% | -- | 1024 hPa | |
| 09h | | 19°C (18) | 14 | 27 | | 60% | -- | 1025 hPa | |
| 12h | | 23°C (25) | 15 | 24 | | 48% | -- | 1023 hPa | |
| 15h | | 23°C (26) | 16 | 24 | | 53% | -- | 1022 hPa | |
| 18h | | 17°C (16) | 9 | 28 | | 82% | -- | 1022 hPa | |
| 21h | | 17°C (16) | 8 | 23 | | 80% | -- | 1022 hPa | |
| Dim. 22 Nov. | 00h | | 16°C (14) | 9 | 30 | | 79% | -- | 1021 hPa |
| 03h | | 17°C (15) | 10 | 37 | | 88% | -- | 1020 hPa | |
| 06h | | 18°C (17) | 12 | 37 | | 89% | -- | 1019 hPa | |
Point modèle utilisé : latitude 30.49°N, longitude -88.5°E, altitude 3.2 m
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