Today
Sun, Jun 21
Thunderstorm
35°27°
- Rain chance
- 12%
- Precip
- 0 mm
- Max wind
- 22 km/h
Guasave weather forecast
Sinaloa, Mexico · Mazatlan time · 25.57°, -108.47°
Extreme heat Wednesday: feels-like temperatures up to 42 °C.
Extreme heat Wednesday: feels-like temperatures up to 42 °C.
Derived advisory — not an official warning
Extreme heat Thursday: feels-like temperatures up to 41 °C.
Extreme heat Thursday: feels-like temperatures up to 41 °C.
Derived advisory — not an official warning
Current conditions · 6:00 AM local
Current conditions in Guasave
27°C
Clear sky
Feels like 32°C
- Humidity
- 86%
- Wind
- 8 km/h SE
- Gusts
- 18 km/h
- UV index
- 0.05
- Visibility
- 14.6 km
Right now
Conditions in Guasave at the moment: clear sky, 27 °C. It feels warmer than it reads, more like 32 °C. Wind is from the SE at 8 km/h. Humidity stands at 86% with sea-level pressure near 1009 hPa.
At a glance
Today
35° / 27°Thunderstorm · extreme UV
Tomorrow
32° / 27°Thunderstorm · 30% chance of rain
Upcoming · to Saturday
39° / 27°A steady stretch: highs near 39°, lows around 27°, and no day above a 29% rain chance through Saturday.
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Next 3 days
Expect thunderstorm today, between 26 °C and 35 °C. Tomorrow brings thunderstorm with a high of 32 °C and a low of 27 °C. Rain chance peaks at 30%. Tuesday brings overcast with a high of 36 °C and a low of 27 °C.
Tomorrow
Mon, Jun 22
Thunderstorm
32°27°
- Rain chance
- 30%
- Precip
- 0 mm
- Max wind
- 18 km/h
Tuesday
Tue, Jun 23
Overcast
36°27°
- Rain chance
- 18%
- Precip
- 0 mm
- Max wind
- 23 km/h
Next 48 hours
- 12 AM28°7%7 km/h
- 1 AM28°9%5 km/h
- 2 AM27°7%3 km/h
- 3 AM27°9%4 km/h
- 4 AM27°3%5 km/h
- 5 AM27°3%7 km/h
- 6 AM27°3%8 km/h
- 7 AM28°2%11 km/h
- 8 AM30°2%13 km/h
- 9 AM31°2%12 km/h
- 10 AM32°2%12 km/h
- 11 AM33°1%11 km/h
- 12 PM34°0%11 km/h
- 1 PM34°1%14 km/h
- 2 PM35°2%17 km/h
- 3 PM33°2%22 km/h
- 4 PM33°2%21 km/h
- 5 PM32°3%20 km/h
- 6 PM31°4%19 km/h
- 7 PM29°4%15 km/h
- 8 PM28°7%12 km/h
- 9 PM28°9%13 km/h
- 10 PM28°9%13 km/h
- 11 PM28°12%15 km/h
- 12 AM28°12%14 km/h
- 1 AM28°7%12 km/h
- 2 AM28°8%11 km/h
- 3 AM28°6%10 km/h
- 4 AM28°8%13 km/h
- 5 AM27°4%10 km/h
- 6 AM27°4%10 km/h
- 7 AM28°3%11 km/h
- 8 AM29°2%12 km/h
- 9 AM29°3%12 km/h
- 10 AM30°2%16 km/h
- 11 AM31°1%16 km/h
- 12 PM32°2%16 km/h
- 1 PM32°3%15 km/h
- 2 PM32°1%18 km/h
- 3 PM32°3%18 km/h
- 4 PM32°4%18 km/h
- 5 PM31°3%17 km/h
- 6 PM30°30%15 km/h
- 7 PM29°30%14 km/h
- 8 PM28°30%10 km/h
- 9 PM28°30%5 km/h
- 10 PM28°30%8 km/h
- 11 PM28°30%12 km/h
In depth
The weather picture for Guasave opens with clear sky; it's 27 °C out, feeling like 32 °C. Today's forecast calls for thunderstorm, topping out near 35 °C before falling back to 26 °C overnight. Winds blow mainly from the S around 22 km/h, with gusts up to 27 km/h. Daytime highs hold fairly steady this week, staying within 32 to 38 °C. Rain is in the picture on Friday, Saturday, with roughly 4 mm expected in total across the week. Tomorrow brings thunderstorm with a high of 32 °C and a 30% chance of precipitation. The UV index reaches 9 today, so sun protection is sensible during the middle of the day. With the apparent temperature pushing into heat-stress territory, limit strenuous outdoor activity in the afternoon and stay hydrated. Sunrise comes at 05:23 and sunset at 19:07, giving 13.7 hours of daylight. Current humidity sits at 86% with pressure near 1009 hPa. Looking further out, Thursday shows overcast with a high around 38 °C, while Saturday ends the week at 35 °C.
Air quality
45
Good
US AQI · European AQI 22
Air quality in Guasave is currently good, with a US AQI of 45 (European AQI 22). The dominant pollutant right now is ozone. Air quality is healthy; no precautions needed. Fine particulate matter (PM2.5) measures 11 µg/m³.
Pollutants
- PM2.5
- 11 µg/m³
- PM10
- 15.6 µg/m³
- Ozone (O₃)
- 49 µg/m³
- NO₂
- 2 µg/m³
- SO₂
- 0.7 µg/m³
- CO
- 105 µg/m³
- Dust
- 1 µg/m³
Sun & UV
- Sunrise
- 5:23 AM
- Sunset
- 7:07 PM
- Daylight
- 13h 44m
- Max UV
- 9.05 Very high
Wind
- Wind
- 8 km/h
- Gusts
- 18 km/h
- Direction
- SE (141°)
Farming weather
Soil temperatures today read surface 28.1 °C, 6 cm 30.6 °C, 18 cm 33.2 °C, 54 cm 31.1 °C. Soil moisture sits at 0-1 cm at 0.17 m³/m³, 3-9 cm at 0.16 m³/m³, 27-81 cm at 0.14 m³/m³. For wheat, the root-zone reading is below the ideal 0.2-0.35 m³/m³ band. Reference evapotranspiration totals 46 mm against only 4 mm of expected rain — a 43 mm deficit, so irrigation will be needed this week. A suitable spraying window opens around 06:00 on 2026-06-21, with winds at or below 15 km/h and no rain expected. Heat stress is likely for wheat with highs reaching 38 °C (threshold 32 °C). Heat stress is likely for maize with highs reaching 38 °C (threshold 35 °C). Projected growing degree days over the next week: wheat 189, maize 150.
- Topsoil moisture
- 0.143 m³/m³
- Soil temp
- 28°C
- ET₀ today
- 5.16 mm
- Spray window
- ~5:00
- Rain (next 7d)
- 3.7 mm
- Wind
- 8 km/h
- Humidity
- 86%
Advisory summary
Weather alerts for Guasave (derived from forecast data, not official warnings): Extreme heat Wednesday: feels-like temperatures up to 42 °C. Extreme heat Thursday: feels-like temperatures up to 41 °C.
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All data for Guasave
| Variable | Value |
|---|---|
| City | Guasave, Sinaloa, Mexico |
| Coordinates | 25.56792, -108.46949 |
| Elevation | 19 m |
| Timezone | America/Mazatlan |
| Population | 71,196 |
| Observed at (local) | 6:00 AM |
| Temperature (2 m) | 27°C |
| Apparent temperature | 32°C |
| Relative humidity (2 m) | 86% |
| Dew point (2 m) | 24°C |
| Precipitation (last hour) | 0 mm |
| Rain | 0 mm |
| Showers | 0 mm |
| Snowfall | 0 cm |
| Weather code (WMO) | 0 |
| Cloud cover | 11% |
| Surface pressure | 1007 hPa |
| Sea-level pressure | 1009 hPa |
| Wind speed (10 m) | 8 km/h |
| Wind gusts (10 m) | 18 km/h |
| Wind direction (10 m) | 141° (SE) |
| Visibility | 14.6 km |
| UV index | 0.05 |
| Day / night | Day |
| Today max / min | 35°C / 27°C |
| Today feels-like max / min | 39°C / 32°C |
| Today precipitation sum | 0 mm |
| Today rain sum | 0 mm |
| Today snowfall sum | 0 cm |
| Today max precip probability | 12% |
| Today max wind / gusts | 22 km/h / 27 km/h |
| Dominant wind direction | 181° (S) |
| Sunrise / sunset | 5:23 AM / 7:07 PM |
| Daylight duration | 13h 44m |
| Sunshine duration | 10h 30m |
| Max UV index | 9.05 |
| Reference evapotranspiration (ET₀) | 5.16 mm |
| Topsoil moisture (0–1 cm) | 0.143 m³/m³ |
| Surface soil temperature | 28°C |
| US AQI | 45 |
| European AQI | 22 |
| PM2.5 | 11 µg/m³ |
| PM10 | 15.6 µg/m³ |
| Ozone (O₃) | 49 µg/m³ |
| Nitrogen dioxide (NO₂) | 2 µg/m³ |
| Sulphur dioxide (SO₂) | 0.7 µg/m³ |
| Carbon monoxide (CO) | 105 µg/m³ |
| Dust | 1 µg/m³ |
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<iframe src="https://weathertomorrow.cloud/embed/city/mx/sinaloa/guasave" width="320" height="180" frameborder="0" title="Guasave weather" loading="lazy"></iframe>Frequently asked questions
Will it rain in Guasave tomorrow?
There is a moderate chance of rain in Guasave tomorrow, peaking at 30%.
What is the temperature in Guasave today?
Today Guasave sees thunderstorm with a high of 35 °C and a low of 26 °C.
How hot will it be in Guasave tomorrow?
Tomorrow's high in Guasave is forecast at 32 °C with thunderstorm.
Is it windy in Guasave today?
No, not especially; gusts only reach up to 27 km/h today.
What is the UV index in Guasave today?
The UV index peaks at 9 today, which is very high.
What time is sunrise and sunset in Guasave today?
The sun rises at 05:23 and sets at 19:07 local time.
Is the air quality in Guasave good today?
Air quality is good right now, with a US AQI reading of 45.