Extreme weather Knud: Read the warning

Long term forecast forSørum (Akershus)

Updated at 16:28. Next update around 0:00.

  1. Warning sign

    Ongoing: Extreme winds (Vestfold, Oestfold, Oslo and Akershus)

    From Friday afternoon south storm force 10 on the coast, and locally strong wind gusts, up to 35 m/s in costal areas. Inner areas can also experience wind gusts up to 25-30 m/s . The wind is veering west and decreases early Saturday morning.

    Tidslinje

    1. Friday September 21, 2018 12:00
      Wind increases
    2. Saturday September 22, 2018 02:00
      Wind wanes

    ConsequencesIt is dangerous to be outside due to items taken by the wind. Expect major delays and cancellations. Very strong wind will likely shut down all public transportation and may cause major power outages and closed roads. High risk of major damage to buildings and infrastructure.

    InstructionsStay indoors. Follow orders from officials to ensure safety.

Long term forecast
Saturday22 September12–18 Sunday23 September12–18 Monday24 September14–20 Tuesday25 September14–20 Wednesday26 September14–20 Thursday27 September14–20 Friday28 September14–20 Saturday29 September14–20 Sunday30 September14–20
Clear sky.
Partly cloudy.
Fair.
Partly cloudy.
Cloudy.
Partly cloudy.
Partly cloudy.
Partly cloudy.
Partly cloudy.
12° 10° 11° 12° 12° 16° 12° 12° 13°
0 mm 0 mm 0 mm 0 mm 0 mm 0 mm 0 mm 0 mm 0 mm
Fresh breeze, 8 m/s from southwest Gentle breeze, 4 m/s from northwest Moderate breeze, 6 m/s from north-northwest Gentle breeze, 5 m/s from west Gentle breeze, 4 m/s from south-southwest Gentle breeze, 5 m/s from west-southwest Gentle breeze, 5 m/s from southwest Gentle breeze, 4 m/s from south-southwest Gentle breeze, 4 m/s from west-southwest
  • Rather certain
  • Somewhat uncertain
  • Uncertain

Read more about the color codes and how certain the forecasts are

Detailed long term forecast
Date Time Forecast Temp. Precipitation Wind
Saturday 22/09/2018 00:00–06:00
Light rain.
10° 0.6 mm Fresh breeze, 8 m/s from south-southwestFresh breeze, 8 m/s from south-southwest
06:00–12:00
Partly cloudy.
0 mm Fresh breeze, 8 m/s from west-southwestFresh breeze, 8 m/s from west-southwest
12:00–18:00
Clear sky.
12° 0 mm Fresh breeze, 8 m/s from southwestFresh breeze, 8 m/s from southwest
18:00–00:00
Partly cloudy.
12° 0 mm Moderate breeze, 6 m/s from southwestModerate breeze, 6 m/s from southwest
Sunday 23/09/2018 00:00–06:00
Partly cloudy.
0 mm Gentle breeze, 4 m/s from west-southwestGentle breeze, 4 m/s from west-southwest
06:00–12:00
Partly cloudy.
0 mm Light breeze, 2 m/s from west-southwestLight breeze, 2 m/s from west-southwest
12:00–18:00
Partly cloudy.
10° 0 mm Gentle breeze, 4 m/s from northwestGentle breeze, 4 m/s from northwest
18:00–00:00
Clear sky.
11° 0 mm Gentle breeze, 4 m/s from northwestGentle breeze, 4 m/s from northwest
Monday 24/09/2018 00:00–06:00
Fair.
0 mm Light breeze, 2 m/s from west-northwestLight breeze, 2 m/s from west-northwest
08:00–14:00
Partly cloudy.
0 mm Light breeze, 3 m/s from northwestLight breeze, 3 m/s from northwest
14:00–20:00
Fair.
11° 0 mm Moderate breeze, 6 m/s from north-northwestModerate breeze, 6 m/s from north-northwest
20:00–02:00
Clear sky.
0 mm Gentle breeze, 4 m/s from westGentle breeze, 4 m/s from west
Tuesday 25/09/2018 02:00–08:00
Partly cloudy.
0 mm Light breeze, 3 m/s from west-southwestLight breeze, 3 m/s from west-southwest
08:00–14:00
Partly cloudy.
0 mm Light breeze, 3 m/s from southwestLight breeze, 3 m/s from southwest
14:00–20:00
Partly cloudy.
12° 0 mm Gentle breeze, 5 m/s from westGentle breeze, 5 m/s from west
20:00–02:00
Clear sky.
0 mm Gentle breeze, 4 m/s from west-northwestGentle breeze, 4 m/s from west-northwest
Wednesday 26/09/2018 02:00–08:00
Partly cloudy.
0 mm Light breeze, 3 m/s from west-northwestLight breeze, 3 m/s from west-northwest
08:00–14:00
Cloudy.
0 mm Light air, 1 m/s from west-northwestLight air, 1 m/s from west-northwest
14:00–20:00
Cloudy.
12° 0 mm Gentle breeze, 4 m/s from south-southwestGentle breeze, 4 m/s from south-southwest
20:00–02:00
Cloudy.
0 mm Gentle breeze, 4 m/s from south-southwestGentle breeze, 4 m/s from south-southwest
Thursday 27/09/2018 02:00–08:00
Cloudy.
0 mm Gentle breeze, 4 m/s from southwestGentle breeze, 4 m/s from southwest
08:00–14:00
Partly cloudy.
0 mm Gentle breeze, 4 m/s from south-southwestGentle breeze, 4 m/s from south-southwest
14:00–20:00
Partly cloudy.
16° 0 mm Gentle breeze, 5 m/s from west-southwestGentle breeze, 5 m/s from west-southwest
20:00–02:00
Partly cloudy.
12° 0 mm Gentle breeze, 4 m/s from southwestGentle breeze, 4 m/s from southwest
Friday 28/09/2018 02:00–08:00
Clear sky.
0 mm Gentle breeze, 4 m/s from westGentle breeze, 4 m/s from west
08:00–14:00
Partly cloudy.
0 mm Light breeze, 3 m/s from westLight breeze, 3 m/s from west
14:00–20:00
Partly cloudy.
12° 0 mm Gentle breeze, 5 m/s from southwestGentle breeze, 5 m/s from southwest
20:00–02:00
Clear sky.
0 mm Light breeze, 3 m/s from west-northwestLight breeze, 3 m/s from west-northwest
Saturday 29/09/2018 02:00–08:00
Partly cloudy.
0 mm Light breeze, 3 m/s from southwestLight breeze, 3 m/s from southwest
08:00–14:00
Partly cloudy.
0 mm Light breeze, 2 m/s from southwestLight breeze, 2 m/s from southwest
14:00–20:00
Partly cloudy.
12° 0 mm Gentle breeze, 4 m/s from south-southwestGentle breeze, 4 m/s from south-southwest
20:00–02:00
Partly cloudy.
0 mm Light breeze, 3 m/s from southLight breeze, 3 m/s from south
Sunday 30/09/2018 02:00–08:00
Partly cloudy.
0 mm Light breeze, 3 m/s from south-southwestLight breeze, 3 m/s from south-southwest
08:00–14:00
Partly cloudy.
0 mm Light breeze, 3 m/s from south-southwestLight breeze, 3 m/s from south-southwest
14:00–20:00
Partly cloudy.
13° 0 mm Gentle breeze, 4 m/s from west-southwestGentle breeze, 4 m/s from west-southwest

The meteorologist’s forecast (in Norwegian)

Friday

Østlandet og Telemark Sørøstlig frisk bris, på kysten sørlig stiv kuling. Regn. Fra sent i ettermiddag sørlig liten og i kveld periodevis full storm på kysten, liten kuling utsatte steder i innlandet og lokalt svært kraftige vindkast. Sent i kveld omslag til vestlig stiv kuling utsatte steder, opp i liten storm på kysten, gradvis minkende til sterk kuling. Lokalt kraftige vindkast. Regnbyger.

Saturday

Østlandet og Telemark Vestlig bris, frisk bris i nord, på kysten vest og sørvest stiv og til dels sterk kuling, lørdag kveld liten kuling. Stort sett opphold og perioder med sol.

Sunday

Østlandet og Telemark Nordvestlig frisk bris utsatte steder. Om kvelden økning til nordvest liten kuling på kysten. Opphold og til dels pent vær.

Monday

Østafjells Nordvestlig frisk bris utsatte steder, liten kuling på kysten vest for Lindesnes. Oppholdsvær og perioder med sol.

Probability forecast for Sørum

Probability forecast for Sørum (Akershus)
Monday: Highs probably between 9.4° C and 12.0° C. Lows between 3.3° and 5.1°.	Tuesday: Highs probably between 9.2° C and 13.0° C. Lows between 1.8° and 3.3°.	Wednesday: Highs probably between 8.9° C and 13.3° C. Lows between 2.4° and 6.7°.	Thursday: Highs probably between 12.9° C and 18.8° C. Lows between 5.8° and 11.2°.	Friday: Highs probably between 10.5° C and 15.5° C. Lows between 3.9° and 8.2°.	Saturday: Highs probably between 9.6° C and 14.8° C. Lows between 2.2° and 6.6°.	Sunday: Highs probably between 10.2° C and 15.1° C. Lows between 3.0° and 8.1°.	Monday 00–06: *Høyst sannsynlig oppholdsvær. Monday 06–12: *Høyst sannsynlig oppholdsvær. Monday 12–18: *Høyst sannsynlig oppholdsvær. Monday 18–24: *Høyst sannsynlig oppholdsvær. Tuesday 00–06: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.3 mm kan forekomme. Tuesday 06–12: *Høyst sannsynlig oppholdsvær. Tuesday 12–18: *Høyst sannsynlig oppholdsvær. Tuesday 18–24: *Høyst sannsynlig oppholdsvær. Wednesday 00–06: *Høyst sannsynlig oppholdsvær. Wednesday 06–12: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.8 mm kan forekomme. Wednesday 12–18: *Sannsynligvis ikke nedbør, men mulighet for opp mot ca. 2 mm. Wednesday 18–24: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.5 mm kan forekomme. Thursday 00–06: *Høyst sannsynlig oppholdsvær. Thursday 06–12: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.1 mm kan forekomme. Thursday 12–18: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.7 mm kan forekomme. Thursday 18–24: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.2 mm kan forekomme. Friday 00–06: *Høyst sannsynlig oppholdsvær. Friday 06–12: *Høyst sannsynlig oppholdsvær. Friday 12–18: *Høyst sannsynlig oppholdsvær. Friday 18–24: *Høyst sannsynlig oppholdsvær. Saturday 00–06: *Høyst sannsynlig oppholdsvær. Saturday 06–12: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.1 mm kan forekomme. Saturday 12–18: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.6 mm kan forekomme. Saturday 18–24: *Høyst sannsynlig oppholdsvær. Sunday 00–06: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.1 mm kan forekomme. Sunday 06–12: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.4 mm kan forekomme. Sunday 12–18: *Høyst sannsynlig oppholdsvær, men opp mot ca. 0.9 mm kan forekomme. Sunday 18–24: *Høyst sannsynlig oppholdsvær, men opp mot ca. 1 mm kan forekomme.
Precipitation:
50% probability
30% probability
Temperature:
50% probability
30% probability

Long time forecast is quite reliable for temperature when the grey area has a narrow spread. Likewise it is quite reliable for precipitation when the blue bars are short.

The long time forecast is uncertain when the gray area has greater spread, and the blue bars are long.

Read more about the probability forecast