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

Heat Builds in the West; Severe Thunderstorms and Heavy Rain in the Upper Midwest and Mid-Mississippi Valley; Extremely Critical Fire Weather in the Northwest on Saturday

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms and heavy rainfall are expected over parts of the Upper Midwest to mid-Mississippi Valley today. Critical to extremely critical fire weather conditions from the Northwest and the northern Great Basin on Saturday and Sunday. Read More >

Current conditions at

Baltimore, Baltimore-Washington International Airport (KBWI)

Lat: 39.17°NLon: 76.68°WElev: 135ft.

A Few Clouds

77°F

25°C

Humidity 66%
Wind Speed NE 6 mph
Barometer 29.99 in (1015.5 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 31 Jul 8:54 am EDT
Extended Forecast for

Baltimore-Washington International Airport MD

  • Today

    Today: Sunny, with a high near 89. North wind around 5 mph becoming calm in the afternoon.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 70. South wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 90. Light south wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

    High: 90 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 73. South wind 8 to 11 mph, with gusts as high as 23 mph.

    Low: 73 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 87. South wind 8 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 87 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 70%.

    Low: 71 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 60%.

    High: 86 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

    Low: 69 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 30%.

    High: 87 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 89. North wind around 5 mph becoming calm in the afternoon.
Tonight
Partly cloudy, with a low around 70. South wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 90. Light south wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 73. South wind 8 to 11 mph, with gusts as high as 23 mph.
Sunday
A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 87. South wind 8 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Sunday Night
A slight chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 70%.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Tuesday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Baltimore-Washington International Airport MD
 39.17°N 76.69°W (Elev. 125 ft)
Last Update:
7:53 am EDT Jul 31, 2026
Forecast Valid:
9am EDT Jul 31, 2026-6pm EDT Aug 6, 2026
 
Forecast Discussion
 
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Additional Resources

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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