National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorm and Heavy Rainfall Threat Tonight; Heat Continues on Tuesday Across the Eastern U.S.

Severe weather and flash flooding threats continue across the Central Plains and Midwest into tonight. Very large hail, strong tornadoes and damaging winds are expected. An early season heat wave will continue to challenge temperature records across the eastern U.S. through Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Sacramento Mather Airport (KMHR)

Lat: 38.55996°NLon: 121.28397°WElev: 92.0ft.

Clear

86°F

30°C

Humidity 13%
Wind Speed NNW 19 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 18 May 05:55 PM PDT
Extended Forecast for

Mather Afb CA

Red Flag Warning May 18, 06:25pm until May 18, 08:00pm
Click here for hazard details and duration
...
  •  
    Red Flag Warning May 18, 06:25pm until May 18, 08:00pm

    NOW until 8:00pm Mon

    Red Flag Warning

  • Tonight

    Low: 55 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93. North northwest wind 3 to 5 mph.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57. North northwest wind around 5 mph becoming light and variable in the evening.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 96. Light and variable wind.

    High: 96 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 58. Southwest wind 5 to 7 mph becoming light and variable in the evening.

    Low: 58 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 101.

    High: 101 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 57.

    Low: 57 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

Detailed Forecast

Tonight
Clear, with a low around 55. North wind 5 to 14 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 93. North northwest wind 3 to 5 mph.
Tuesday Night
Mostly clear, with a low around 57. North northwest wind around 5 mph becoming light and variable in the evening.
Wednesday
Sunny and hot, with a high near 96. Light and variable wind.
Wednesday Night
Clear, with a low around 58. Southwest wind 5 to 7 mph becoming light and variable in the evening.
Thursday
Sunny and hot, with a high near 101.
Thursday Night
Clear, with a low around 57.
Friday
Sunny and hot, with a high near 96.
Friday Night
Clear, with a low around 54.
Saturday
Sunny, with a high near 91.
Saturday Night
Clear, with a low around 53.
Sunday
Sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 54.
Memorial Day
Sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mather Afb CA
 38.56°N 121.29°W (Elev. 89 ft)
Last Update:
2:00 pm PDT May 18, 2026
Forecast Valid:
6pm PDT May 18, 2026-6pm PDT May 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation