Prévisions météo à 10 jours pour Helena
Tendance à 10 jours (pas de 3 heures) pour Helena (Montana, États-Unis), en heure locale (UTC−7). Modèles : RRFS 3 km (run 11/11 12Z) puis GFS 0,25° (run 11/11 12Z).
Autres villes : Helena (Alabama, États-Unis), Helena (Arkansas, 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. | |||||||
| Mer. 11 Nov. UV 1 | 15h |  | 16°C (16) | 6 | 7 |  | 46% | -- | 1019 hPa |
| 18h |  | 12°C (11) | 8 | 8 |  | 59% | -- | 1019 hPa | |
| 21h | | 11°C (10) | 9 | 9 | | 50% | -- | 1019 hPa | |
| Jeu. 12 Nov. UV 2 | 00h |  | 9°C (8) | 6 | 8 |  | 53% | -- | 1019 hPa |
| 03h |  | 7°C (6) | 5 | 6 | | 60% | -- | 1019 hPa | |
| 06h |  | 6°C (4) | 10 | 11 | | 61% | -- | 1018 hPa | |
| 09h | | 7°C (5) | 9 | 9 | | 51% | -- | 1018 hPa | |
| 12h | | 12°C (11) | 4 | 8 | | 48% | -- | 1015 hPa | |
| 15h | | 14°C (14) | 5 | 7 |  | 42% | -- | 1012 hPa | |
| 18h | | 10°C (9) | 7 | 9 | | 46% | -- | 1011 hPa | |
| 21h |  | 9°C (7) | 9 | 13 | | 43% | -- | 1010 hPa | |
| Ven. 13 Nov. UV 1 | 00h | | 8°C (5) | 10 | 16 | | 42% | -- | 1009 hPa |
| 03h | | 7°C (5) | 8 | 12 |  | 40% | -- | 1009 hPa | |
| 06h | | 6°C (5) | 6 | 7 | | 45% | -- | 1008 hPa | |
| 09h | | 7°C (5) | 6 | 12 | | 49% | -- | 1008 hPa | |
| 12h | | 15°C (13) | 20 | 43 | | 31% | -- | 1004 hPa | |
| 15h | | 15°C (13) | 21 | 45 | | 32% | -- | 1000 hPa | |
| 18h | | 10°C (6) | 7 | 35 | | 52% | -- | 1001 hPa | |
| 21h | | 8°C (4) | 10 | 27 | | 59% | -- | 1001 hPa | |
| Sam. 14 Nov. UV 2 | 00h | | 7°C (4) | 9 | 15 | | 65% | -- | 1001 hPa |
| 03h |  | 8°C (5) | 13 | 22 | | 60% | -- | 1000 hPa | |
| 06h | | 9°C (6) | 13 | 22 | | 58% | -- | 1001 hPa | |
| 09h |  | 9°C (5) | 18 | 35 | | 54% | -- | 1002 hPa | |
| 12h |  | 12°C (9) | 16 | 36 | | 44% | -- | 1002 hPa | |
| 15h | | 11°C (8) | 17 | 24 | | 45% | -- | 1004 hPa | |
| 18h | | 7°C (3) | 13 | 22 | | 58% | -- | 1009 hPa | |
| 21h | | 5°C (2) | 9 | 14 | | 69% | -- | 1012 hPa | |
| Dim. 15 Nov. | 00h | | 3°C (-0) | 9 | 12 | | 79% | -- | 1015 hPa |
| 03h | | 2°C (-1) | 8 | 10 | | 81% | -- | 1016 hPa | |
| 06h | | 2°C (-1) | 8 | 10 | | 82% | -- | 1017 hPa | |
| 09h | | 5°C (2) | 9 | 11 | | 68% | -- | 1017 hPa | |
| 12h | | 10°C (8) | 8 | 16 |  | 40% | -- | 1013 hPa | |
| 15h | | 12°C (10) | 8 | 17 | | 35% | -- | 1012 hPa | |
| 18h | | 6°C (3) | 10 | 13 | | 55% | -- | 1015 hPa | |
| 21h | | 4°C (1) | 10 | 13 | | 61% | -- | 1016 hPa | |
| Lun. 16 Nov. | 00h |  | 3°C (0) | 8 | 10 | | 64% | -- | 1017 hPa |
| 03h | | 3°C (1) | 7 | 9 | | 65% | -- | 1018 hPa | |
| 08h | | 3°C (1) | 5 | 6 | | 62% | -- | 1019 hPa | |
| 11h | | 8°C (7) | 3 | 8 | | 43% | -- | 1017 hPa | |
| 14h | | 11°C (10) | 3 | 8 |  | 37% | -- | 1014 hPa | |
| 17h | | 6°C (6) | 3 | 3 | | 51% | -- | 1015 hPa | |
| 20h | | 6°C (5) | 5 | 5 | | 51% | -- | 1016 hPa | |
| 23h | | 5°C (4) | 5 | 5 | | 52% | -- | 1017 hPa | |
| Mar. 17 Nov. | 02h | | 5°C (4) | 4 | 5 | | 54% | -- | 1017 hPa |
| 05h | | 4°C (3) | 4 | 4 | | 57% | -- | 1017 hPa | |
| 08h | | 4°C (3) | 4 | 5 | | 62% | -- | 1018 hPa | |
| 11h | | 8°C (8) | 1 | 5 |  | 49% | -- | 1016 hPa | |
| 14h | | 9°C (8) | 3 | 6 | | 45% | -- | 1013 hPa | |
| 17h | | 6°C (6) | 2 | 3 | | 61% | -- | 1014 hPa | |
| 20h | | 5°C (5) | 4 | 4 | | 68% | -- | 1014 hPa | |
| 23h | | 5°C (5) | 3 | 4 | | 70% | -- | 1014 hPa | |
| Mer. 18 Nov. | 02h | | 3°C (2) | 4 | 5 | | 75% | -- | 1014 hPa |
| 05h | | 2°C (1) | 4 | 5 | | 85% | -- | 1015 hPa | |
| 08h |  | 3°C (2) | 3 | 4 | | 88% | 0.3 mm | 1014 hPa | |
| 11h |  | 4°C (4) | 3 | 3 | | 89% | 0.9 mm | 1014 hPa | |
| 14h | | 4°C (3) | 4 | 5 | | 89% | -- | 1012 hPa | |
| 17h | | 4°C (3) | 4 | 5 | | 90% | -- | 1013 hPa | |
| 20h | | 3°C (1) | 5 | 6 | | 90% | 0.5 mm | 1013 hPa | |
| 23h | | 3°C (1) | 5 | 7 | | 90% | 2.2 mm | 1013 hPa | |
| Jeu. 19 Nov. | 02h | | 2°C (-0) | 5 | 7 | | 90% | 1.7 mm | 1014 hPa |
| 05h | | 2°C (-0) | 5 | 7 | | 90% | 0.7 mm | 1014 hPa | |
| 08h | | 2°C (-0) | 5 | 7 | | 90% | 0.9 mm | 1015 hPa | |
| 11h | | 3°C (1) | 5 | 8 | | 90% | 1.3 mm | 1016 hPa | |
| 14h | | 3°C (1) | 5 | 8 | | 90% | 1.3 mm | 1016 hPa | |
| 17h | | 2°C (-0) | 6 | 8 | | 91% | 0.9 mm | 1017 hPa | |
| 20h | | 2°C (-1) | 6 | 10 | | 89% | 0.3 mm | 1019 hPa | |
| 23h | | 2°C (-1) | 6 | 12 | | 90% | 0.4 mm | 1020 hPa | |
| Ven. 20 Nov. | 02h | | 1°C (-2) | 6 | 11 | | 90% | 0.7 mm | 1021 hPa |
| 05h |  | 1°C (-3) | 6 | 13 | | 90% | 0.9 mm | 1022 hPa | |
| 08h | | 2°C (-2) | 7 | 17 | | 90% | 1.1 mm | 1023 hPa | |
| 11h | | 2°C (-3) | 9 | 24 | | 90% | 1.3 mm | 1024 hPa | |
| 14h | | 1°C (-4) | 12 | 23 | | 84% | 1.1 mm | 1026 hPa | |
| 17h | | -1°C (-6) | 9 | 19 | | 83% | 0.4 mm | 1028 hPa | |
| 20h |  | -4°C (-7) | 5 | 6 | | 83% | 0.2 mm | 1031 hPa | |
| 23h | | -6°C (-9) | 5 | 7 | | 79% | -- | 1034 hPa | |
| Sam. 21 Nov. | 02h | | -7°C (-10) | 4 | 6 | | 79% | -- | 1035 hPa |
| 05h | | -8°C (-11) | 5 | 6 | | 80% | -- | 1035 hPa | |
Point modèle utilisé : latitude 46.59°N, longitude -112.04°E, altitude 1237.7 m
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