# Extreme Heat Warning: Mariposa-Madera Lower Sierra — retained record

> Retained us-gov-api record from us-gov-api:noaa-weather.

Canonical: https://highsignal.app/data/records/4286538fe3af4a57

[← sources](https://highsignal.app/data)


source: [us-gov-api](https://highsignal.app/data/us-gov-api) (us-gov-api:noaa-weather)  published 2026-08-09 19:51 ingested 2026-08-10 07:28

[original source ↗](http://www.weather.gov/)

## extract

Extreme Heat Warning — Mariposa-Madera Lower Sierra
Severity: Severe. Certainty: Likely.
* WHAT...High temperatures up to 110 degrees and Major Heat Risk
today and Monday.

* WHERE...Mariposa-Madera Lower Sierra. Includes Mariposa, North
Fork, Oakhurst, Coarsegold, and El Portal.

* WHEN...Until 8 PM PDT Monday.

* IMPACTS...Hot temperatures and limited overnight relief may cause
heat illnesses.

* ADDITIONAL DETAILS...Afternoon high temperatures of 102 to 110
degrees will occur until Monday, with the hottest temperatures
expected today and mainly for elevations around 3,000 feet and
lower. Overnight lows will generally only fall into the mid 60s to
mid 70s with little overnight relief.

## retained text

The historical document was shared with another weather alert and cannot be attributed to this record. The original extract is preserved above; the exact alert link was not retained.