general situation
On Wednesday, a weak depression moving over northern Italy will bring instability to the region. On Thursday, a cold front descending from Scandinavia will cause a marked worsening of the weather, followed by colder air at high altitudes, which will maintain some residual instability in the mountains in the following days.
forecasts
| 4 | 12 | 20 | |
|---|---|---|---|
| diurnal evolution |
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Tuesday 20 May
release: 19-05-2025 13:12 CEST
Mostly overcast skies with fewer clouds in the Tarvisio area. In the morning, light to moderate rain; from late afternoon, showers or thunderstorms possible, especially in the Prealps.
| average temp. at 1000 m (°C) | 11 |
| average temp. at 2000 m (°C) | 5 |
| prob. of widespread precipitations (%) | 90 |
| thunderstorms probability (%) | 60 |
| thermal zero height (m) | 3000 |
| snowfall level (m) | - |
| mean wind speed & direction at 3000 m (m/s) | SW 5-10 |
| 4 | 12 | 20 | |
|---|---|---|---|
| diurnal evolution |
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|
Wednesday 21 May
release: 20-05-2025 13:11 CEST
Mostly cloudy skies with possible scattered showers or thunderstorms. More clearings are expected in the Tarvisio area.
| average temp. at 1000 m (°C) | 12 |
| average temp. at 2000 m (°C) | 6 |
| prob. of widespread precipitations (%) | 70 |
| thunderstorms probability (%) | 70 |
| thermal zero height (m) | 2900 |
| snowfall level (m) | - |
| mean wind speed & direction at 3000 m (m/s) | Var. 1-5 |
| 4 | 12 | 20 | |
|---|---|---|---|
| diurnal evolution |
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Thursday 22 May
release: 20-05-2025 13:11 CEST
Overcast skies with heavy rainfall over the Prealps and abundant rainfall over the Alps. Showers and thunderstorms are likely to occur repeatedly throughout the day. Locally strong thunderstorms possible in the Prealps.
| average temp. at 1000 m (°C) | 10 |
| average temp. at 2000 m (°C) | 5 |
| prob. of widespread precipitations (%) | >90 |
| thunderstorms probability (%) | >90 |
| thermal zero height (m) | 2700 |
| snowfall level (m) | - |
| mean wind speed & direction at 3000 m (m/s) | SW 10-15 |
| 4 | 12 | 20 | |
|---|---|---|---|
| diurnal evolution |
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trend for Friday 23 May
release: 20-05-2025 10:19 CEST
During the night and early morning, skies will be variable. During the day, mostly clear skies are expected over the plains and coast, while in the mountainous areas skies will be partly cloudy due to the development of afternoon cumulus clouds. A moderate Bora wind will blow along the coast, with stronger gusts in Trieste during the first part of the day.
| temp. (°C) | min | max | med | |
|---|---|---|---|---|
| plain | 10/13 | 18/21 | 2000 m | 2 |
| coast | 13/15 | 18/21 | 1000 m | 9 |
| 4 | 12 | 20 | |
|---|---|---|---|
| diurnal evolution |
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|
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trend for Saturday 24 May
release: 20-05-2025 10:19 CEST
Mostly partly cloudy skies over the plains and coast. In the mountains, variable conditions with increased cloudiness in the afternoon, when brief scattered showers may occur. A moderate Bora wind will blow along the coast.
| temp. (°C) | min | max | med | |
|---|---|---|---|---|
| plain | 10/13 | 20/23 | 2000 m | 2 |
| coast | 13/15 | 19/21 | 1000 m | 9 |
webcam - panomax.com
freezing level
radar - real-time precipitation
satellite - infrared
