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NOAA Space Weather

Weatherswpc.noaa.gov

Aurora forecasts, space weather alerts and Kp outlooks

NOAA Space Weather provides near-term aurora chances, current geomagnetic activity, a three-day Kp outlook, and NOAA alerts from the past 1–7 days.

Get aurora forecast

Get the 30-minute chance of aurora overhead near a place, current geomagnetic activity, and the three-day Kp outlook. Visibility also depends on darkness and local conditions; tonight uses approximate local solar hours 18:00–06:00.

Your information

City or place near which to check the aurora, for example Fairbanks or Edinburgh.

1 credit per run

Example results

Verdict
unlikely
Latitude
55.9533456
Longitude
-3.1883749
Current Kp
0
Aurora Type
Northern lights
Storm Level
G0 None
Forecast Time
2026-09-29T06:14:00+00:00
Matched Place
City of Edinburgh, Scotland, United Kingdom
Aurora Page Link
swpc.noaa.gov
Highest Kp Tonight
2
Aurora Chance (%)
0
Three Day Kp Forecast
Three Day Kp Forecast
KpStart Time
1.67
2026-09-29T00:00:00+00:00
2
2026-09-29T03:00:00+00:00
1.67
2026-09-29T06:00:00+00:00
1
2026-09-29T09:00:00+00:00
1
2026-09-29T12:00:00+00:00
1
2026-09-29T15:00:00+00:00
1.67
2026-09-29T18:00:00+00:00
1.67
2026-09-29T21:00:00+00:00
1.67
2026-09-30T00:00:00+00:00
1.67
2026-09-30T03:00:00+00:00
1.67
2026-09-30T06:00:00+00:00
1.33
2026-09-30T09:00:00+00:00
1.33
2026-09-30T12:00:00+00:00
1
2026-09-30T15:00:00+00:00
1
2026-09-30T18:00:00+00:00
1.67
2026-09-30T21:00:00+00:00
1.67
2026-10-01T00:00:00+00:00
1.33
2026-10-01T03:00:00+00:00
1.33
2026-10-01T06:00:00+00:00
1.33
2026-10-01T09:00:00+00:00
1.33
2026-10-01T12:00:00+00:00
1.33
2026-10-01T15:00:00+00:00
1.67
2026-10-01T18:00:00+00:00
1.67
2026-10-01T21:00:00+00:00
Example data · Run in Studio for fresh results.

Choose an action

About NOAA Space Weather

NOAA Space Weather, also called NOAA SWPC, gives aurora chances and Kp outlooks for a required city or place.

List space weather alerts returns recent NOAA messages; provide how many days back to look, from 1 to 7.

Built by Fous from swpc.noaa.gov and nominatim.openstreetmap.org and checked automatically; it last passed a check on Sep 29, 2026. Fous is not affiliated with NOAA Space Weather.

Actions

Get aurora forecast

1 credit per run

Get the 30-minute chance of aurora overhead near a place, current geomagnetic activity, and the three-day Kp outlook. Visibility also depends on darkness and local conditions; tonight uses approximate local solar hours 18:00–06:00.

Uses NOAA Space Weather and nominatim.openstreetmap.org.

What you provide

FieldTypeRequiredDescription
LocationlocationTextRequiredCity or place near which to check the aurora, for example Fairbanks or Edinburgh.Example: Edinburgh

What you get

FieldTypeDescription
VerdictverdictTextLikely (50% or more), possible (10–49%), or unlikely (below 10%).Example: Unlikely
LatitudelatitudeNumberLatitude of matched place.Example: 55.9533456
LongitudelongitudeNumberLongitude of matched place.Example: -3.1883749
Current Kpcurrent_kpNumberLatest estimated planetary Kp on a 0–9 scale.Example: 0
Aurora Typeaurora_typeTextNorthern or southern lights at this latitude.Example: Northern lights
Storm Levelstorm_levelTextCurrent NOAA geomagnetic storm level in words.Example: G0 None
Forecast Timeforecast_timeTextTime of the aurora forecast, ISO 8601 with offset.Example: 2026-09-29T06:14:00+00:00
Matched Placematched_placeTextPlace matched to the location.Example: City of Edinburgh, Scotland, United Kingdom
Aurora Page Linkaurora_page_linkTextNOAA aurora forecast page.Example: https://www.swpc.noaa.gov/products/aurora-30-minute-forecast
Highest Kp Tonighthighest_kp_tonightNumberHighest predicted Kp in the available 18:00–06:00 local solar night periods, or null when unavailable.Example: 2
Aurora Chance (%)aurora_chance_percentNumberForecast chance of aurora overhead, in percent.Example: 0
Three Day Kp Forecastthree_day_kp_forecastListThree-day outlook at three-hour UTC intervals.
Kpthree_day_kp_forecast[].kpNumberPredicted planetary Kp.Example: 1.67
Start Timethree_day_kp_forecast[].start_timeTextThree-hour interval start time, ISO 8601 with offset.Example: 2026-09-29T00:00:00+00:00

Example result

For Location: Edinburgh

JSON
{
  "verdict": "unlikely",
  "latitude": 55.9533456,
  "longitude": -3.1883749,
  "current_kp": 0,
  "aurora_type": "Northern lights",
  "storm_level": "G0 None",
  "forecast_time": "2026-09-29T06:14:00+00:00",
  "matched_place": "City of Edinburgh, Scotland, United Kingdom",
  "aurora_page_link": "https://www.swpc.noaa.gov/products/aurora-30-minute-forecast",
  "highest_kp_tonight": 2,
  "aurora_chance_percent": 0,
  "three_day_kp_forecast": [
    {
      "kp": 1.67,
      "start_time": "2026-09-29T00:00:00+00:00"
    },
    {
      "kp": 2,
      "start_time": "2026-09-29T03:00:00+00:00"
    },
    {
      "kp": 1.67,
      "start_time": "2026-09-29T06:00:00+00:00"
    }
  ]
}

List space weather alerts

1 credit per run

List NOAA space weather alerts, warnings, watches, and summaries issued in the past 1–7 days, newest first. Validity times and NOAA scale levels are included when the message gives them.

What you provide

FieldTypeRequiredDescription
DaysdaysNumberOptionalHow many days back to look, from 1 to 7. Example: 3.Example: 7

What you get

FieldTypeDescription
MessagesmessagesListMessages issued during the selected period, newest first.
Kindmessages[].kindTextType of space weather message.Example: Alert
Titlemessages[].titleTextMessage headline without its alert, watch, warning or summary prefix.Example: Electron 2MeV Integral Flux exceeded 1,000pfu
Valid tomessages[].valid_toTextUTC end time if supplied in the message, ISO 8601 with offset.
Page Linkmessages[].page_linkTextNOAA page listing space weather alerts, watches, and warnings.Example: https://www.swpc.noaa.gov/products/alerts-watches-and-warnings
Issue Timemessages[].issue_timeTextUTC issue time in ISO 8601 with offset.Example: 2026-09-28T05:00:40.090+00:00
Valid Frommessages[].valid_fromTextUTC start time if supplied in the message, ISO 8601 with offset.Example: 2026-09-26T15:35:00+00:00
Message Textmessages[].message_textTextFull message as published by NOAA.Example: Space Weather Message Code: ALTEF3 Serial Number: 3747 Issue Time: 2026 Sep 28…
Product Codemessages[].product_codeTextNOAA product identifier.Example: ALTEF3
Serial Numbermessages[].serial_numberTextNOAA message serial number.Example: 3747
Noaa Scale Levelmessages[].noaa_scale_levelTextNOAA scale code and level in words, when given.

Example result

For

JSON
{
  "messages": [
    {
      "kind": "alert",
      "title": "Electron 2MeV Integral Flux exceeded 1,000pfu",
      "valid_to": null,
      "page_link": "https://www.swpc.noaa.gov/products/alerts-watches-and-warnings",
      "issue_time": "2026-09-28T05:00:40.090+00:00",
      "valid_from": "2026-09-26T15:35:00+00:00",
      "message_text": "Space Weather Message Code: ALTEF3\r\nSerial Number: 3747\r\nIssue Time: 2026 Sep 28 0500 UTC\r\n\r\nCONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu\nContinuation of Serial Number: 3746\nBegin Ti…",
      "product_code": "ALTEF3",
      "serial_number": "3747",
      "noaa_scale_level": null
    },
    {
      "kind": "alert",
      "title": "Electron 2MeV Integral Flux exceeded 1,000pfu",
      "valid_to": null,
      "page_link": "https://www.swpc.noaa.gov/products/alerts-watches-and-warnings",
      "issue_time": "2026-09-27T05:02:04.940+00:00",
      "valid_from": "2026-09-26T15:35:00+00:00",
      "message_text": "Space Weather Message Code: ALTEF3\r\nSerial Number: 3746\r\nIssue Time: 2026 Sep 27 0502 UTC\r\n\r\nCONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu\nContinuation of Serial Number: 3745\nBegin Ti…",
      "product_code": "ALTEF3",
      "serial_number": "3746",
      "noaa_scale_level": null
    },
    {
      "kind": "alert",
      "title": "Geomagnetic K-index of 4",
      "valid_to": null,
      "page_link": "https://www.swpc.noaa.gov/products/alerts-watches-and-warnings",
      "issue_time": "2026-09-27T00:40:33.327+00:00",
      "valid_from": null,
      "message_text": "Space Weather Message Code: ALTK04\r\nSerial Number: 2688\r\nIssue Time: 2026 Sep 27 0040 UTC\r\n\r\nALERT: Geomagnetic K-index of 4 \nThreshold Reached: 2026 Sep 27 0040 UTC\nSynoptic Period: 0000-0300\nActive …",
      "product_code": "ALTK04",
      "serial_number": "2688",
      "noaa_scale_level": null
    }
  ]
}

For developers

Run this workflow from your own code. In Studio, turn on Developer mode and create an API key.

cURL
# First set your key: export FOUS_API_KEY='YOUR_FOUS_API_KEY'
: "${FOUS_API_KEY:?Set FOUS_API_KEY before running this example}"

curl 'https://api.fous.com/v1/query' \
  --fail-with-body --silent --show-error --max-time 120 \
  -H "Authorization: Bearer $FOUS_API_KEY" \
  -H 'Content-Type: application/json' \
  --data-raw '{
  "api": "@noaa-space-weather",
  "visibility": "public",
  "operation": "get_aurora_forecast",
  "version": 1,
  "input": {
    "location": "Edinburgh"
  },
  "response": {
    "format": "json"
  }
}'

What you can do with it

  • Check aurora chances near a destination
  • Compare current geomagnetic activity with the three-day Kp outlook
  • Review recent NOAA space weather alerts and warnings
  • Track alert issue and validity times

Questions

Is Fous affiliated with NOAA Space Weather?

No. Fous is not affiliated with NOAA Space Weather. This workflow reads the public swpc.noaa.gov website and returns its data.

How much does it cost?

Each run costs 1 credit. With pay-as-you-go, a credit costs 1¢; monthly plans cost less per credit.

Do I need a NOAA Space Weather account?

No. You only need a Fous account.

How current is the data?

Fous gets the data from swpc.noaa.gov when you run it; repeating the same request within a day may return the saved result. Fous checks this workflow automatically; it last passed a check on Sep 29, 2026.

What is the aurora chance near a place?

Get aurora forecast returns the forecast chance and verdict for a required city or place.

What is the three-day Kp outlook?

Get aurora forecast returns the three-day Kp outlook at three-hour intervals for a required city or place.

Which space weather alerts were issued recently?

List space weather alerts returns NOAA messages from the selected 1–7-day period, newest first.

All Weather workflowsBrowse all workflows