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Weather forecast

Weather forecast for the next 24 hours

North and northwest 3-10 m/s with drizzle in North- end East-Iceland, but mainly dry elsewhere. Light rain in the southeast part by midnight. Gradually becoming cooler, especially in the north.
Northwest 5-13 in the northeast parts tomorrow with intermittent rain by the seaside, but sleet or snow on higher grounds. Munch ligther north winds and mainly fair in other parts. Temperatures from 1 deg. C inland in the northeast, up to 8 deg. C in the far south. Lighter winds tomorrow evening and temperatures dipping below freezing point.
Forecast made 04.10.2026 17:53

If the map and the text forecast differs, then the text forecast applies

Station forecasts

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Whole country

Maximum wind in Iceland today

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Maximum and minimum temperature in Iceland today

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Maximum precipitation in Iceland today

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Maximum wind in Iceland during the last hour

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Maximum and minimum temperature in Iceland during the last hour

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Preliminary results

Observations from weather station

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Earthquakes

Earthquakes during last 48 hours. at 04 Oct 20:10 GMT

Preliminary results

Biggest earthquakes during the last 48 hours

Size	Time	Quality	Location
3.8	04 Oct 13:13:10	Checked	33.7 km WNW of Grímsey
3.4	04 Oct 00:40:16	Checked	7.3 km S of Helgafell
3.2	04 Oct 08:43:04	Checked	34.5 km WNW of Grímsey

Specialist remark

A magnitude 3.8 occurred just NW of Grimsey at 13:13 today, October 4th . Similar earthquakes have been observed in the area in the past few day, but earthquakes there are quite common.

Today October 4th at 00:40 an M3.4 earthquake was detected in the Brennisteinsfjöll, near Reykjavík. The earthquake was felt in the SW-corner of Iceland. Around 15 smaller aftershocks have been detected. Similar sized earthquake was last detected on the 4th of September, earthquakes are common in this area.
Written by a specialist at 04 Oct 16:01 GMT

Week overview -

Earthquake activity throughout the country is described in a weekly summary that is written by a Natural Hazard Specialist. The weekly summary is published on the web every Tuesday. It covers the activity of the previous week in all seismic areas and volcanic systems in the country. If earthquake swarms are ongoing or significant events such as larger earthquakes have occurred during the week, they are specifically discussed. More

Larger map of earthquakes

Hydrology

Average flow and temperature last 24 hours

River	Place	Flow	Water temperature

Remarks of a specialist

Due to malfunction we have turned off the service publishing hydrological data on the map. Instead see the data using our Rauntímavöktunarkerfi.
Written by a specialist at 02 Oct 11:00 GMT

More hydrological information

Measurement map

News

New risk assessment for people's safety in Grindavík available on the municipality's website - 1.10.2026

The findings from the first phase of a revised risk assessment for people’s safety in Grindavík are now available. The assessment covers built-up areas within the protective barriers in Grindavík. The Department of Civil Protection and Emergency Management of the National Commissioner of the Icelandic Police is responsible for preparing and publishing the assessment in cooperation with Grindavík’s Civil Protection Committee. Read more

Situation on the Reykjanes Peninsula - 30.9.2026

Slow ground uplift continues at Svartsengi. Seismic activity remains low. A new magma intrusion, potentially leading to an eruption along the Sundhnúkur crater row, remains the most likely scenario. The updated hazard assessment takes account of fracture repairs in Grindavík. Read more

Increased electrical conductivity and gas pollution at Múlakvísl - 1.9.2026

The glacial outburst flood in Múlakvísl, which began on 18 August, now appears to be subsiding. Both conductivity and discharge have decreased since yesterday, and currently there is no gas pollution being detected in the area Read more

Measurements show that uplift at Askja has ceased - 14.8.2026

Measurements by the lake in Askja. Fieldwork in the area was completed this week, and the results indicate that the uplift episode that began in 2021 has ended.

Increased hazard due to changing conditions at the margin of Sólheimajökull glacier - 22.7.2026

Recent changes at the terminus of Sólheimajökull call for increased caution. Unstable glacier ice and rockfall from the surrounding slopes may pose a risk to people visiting the area.

Ground uplift and magma accumulation continue beneath Svartsengi - 9.6.2026

Uplift and magma accumulation continue at Svartsengi, and the trend remains stable. The latest model calculations indicate that around 27.5 million cubic metres of magma have accumulated beneath Svartsengi since around mid-July last year. Read more

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