Barometric Pressure in Grimes, United States

• Forecast Chart
• Hourly Trends

The pressure in Grimes, Iowa, United States is predicted to slowly rise over the next few hours, with an average pressure of

982.2

today, which is lower than normal.

Weather prediction: Expect more fair, dry, cool weather

The daily total fluctuation in pressure in Grimes is

1.9

, with a low of

981.4

and a high of

983.3

.

Forecast

Grimes, Iowa's air pressure changes because of its flat geography, which lets winds easily move in and out. In winter, cold Arctic air makes air pressure low, causing cold fronts. In summer, warm Gulf air makes air pressure high, causing hot and humid days. Grimes has a humid continental climate, with big air pressure swings between seasons.