MWIS is Supported By

Scottish Mountain Gear Scottish Mountain Gear Scottish Mountain Gear Scottish Mountain Gear Scottish Mountain Gear

Welcome to the Mountain Weather Information Service

MWIS currently produce forecasts for 8 different mountain areas of the UK as an aid to mountain safety.

Forecasts are produced manually using information from a range of forecast models and forecasters knowledge of mountain weather. New forecasts, for the next three days are produced by 4:30pm daily, normally earlier in the winter, and amended as necessary.

The production of the Scottish forecasts is fully funded by the Scottish Government through sportscotland with the support of The Mountaineering Council of Scotland.

As always, please continue to give us feedback about what you think of our website, service and future development plans.

Observations from mountain summits

Tuesday 28th April - 07:00 BST
Cairngorm (1245m)   n/a       n/a 
Aonach Mor (1130m)  -5.5C W    10 gusts 29mph
Cairnwell (933m)    n/a     n/a
Great Dun Fell (N. Pennines) (847m)  -2.7C W 33 gusts 53mph
Bealach na ba (Wester Ross) (773m)  -2.9C W  10mph


Planning video, updated Wednesday 22nd April - becoming much colder

We are trialling forecast videos concentrating on the outlook period. They do take time to prepare, will be updated two or three times a week: generally around Tuesday, when there is some clarity on the weekend to come, and over the weekend with a look forward to the coming week. 

As with all our forecasts, please give us feedback.

Clocks forward - later issue time of forecasts

As we enter summer time and increasing opportunities to use forecasts into the evenings, we will as usual issue the forecasts in the afternoons, but by 4.30pm. We will continue to provide major updates as required.

The Peak District and The Yorkshire Dales forecasts.

We are aware of differing views amongst users of MWIS in our provision of a single forecast for The Yorkshire Dales and Peak District.

Our reasons for doing so are: 

Our overall aim is to provide forecasts more or less in areas where mountain rescue teams operate. In terms of the Pennines, MRT's also operate between the two National Parks.

In terms of the weather, when the wind blows from between southwest and northwest there are frequently sudden changes at various points along the Pennines, depending precisely on wind direction. Most often, the demarkation occurs between areas sheltered or not sheltered by Snowdonia. This boundary may be in the northern Yorkshire Dales (SW wind); nearer Skipton (WSW) or south of Saddleworth Moor (W). Also, the geography of the Irish Sea is such that according to wind direction narrow lines of frequent showers occur over part of, but not all the region. 

Finally, taking account of the major population centres of NW England and Yorkshire, the advantage of having all the information in one forecast, is that people can most easily decide where best to head for a day out in the hills. 

On the other hand, we are appreciative that many living in or nearby the two National Parks have strong loyalty to their own distinctive upland regions, and we are aware that it 'grates' with some to see the two areas combined. 

As much as possible we try to define areas of weather using well known geographic names within and between the two National Parks so those with a particular affiliation to either Park should not feel deprived - albeit that with on balance more significant weather occurring toward the north, then perhaps places in the Yorkshire Dales will get mentioned more often.

In association with
Mountaineering Council of Scotland sportscotland Association of Mountaineering Instructions