#DTX #MIwx 406
FXUS63 KDTX 212318
AFDDTX

Area Forecast Discussion
National Weather Service Detroit/Pontiac MI
718 PM EDT Sat Mar 21 2026

.KEY MESSAGES...

- Strong cold front moving through Sunday brings a good chance of
showers and perhaps a thunderstorm near the Ohio border.

- A significant cool down follows the front with below normal
temperatures for Monday.

&&

.AVIATION...

Surface low pressure in the northern Great Lakes this evening has a
warm front ex https://mesonet.agron.iastate.edu/p.php?pid=202603212318-KDTX-FXUS63-AFDDTX

#DTX #MIwx 403
CDUS43 KDTX 212025
CLIMBS

CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
425 PM EDT SAT MAR 21 2026

...................................

...THE TRI CITIES MI CLIMATE SUMMARY FOR MARCH 21 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1912 TO 2026

WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR https://mesonet.agron.iastate.edu/p.php?pid=202603212025-KDTX-CDUS43-CLIMBS

#DTX #MIwx 453
CDUS43 KDTX 212025
CLIFNT

CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
425 PM EDT SAT MAR 21 2026

...................................

...THE FLINT MI CLIMATE SUMMARY FOR MARCH 21 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1921 TO 2026

WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
https://mesonet.agron.iastate.edu/p.php?pid=202603212025-KDTX-CDUS43-CLIFNT

#DTX #MIwx 454
CDUS43 KDTX 212025
CLIDTW

CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
425 PM EDT SAT MAR 21 2026

...................................

...THE DETROIT MI CLIMATE SUMMARY FOR MARCH 21 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2026

WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR https://mesonet.agron.iastate.edu/p.php?pid=202603212025-KDTX-CDUS43-CLIDTW

#DTX #MIwx 959
FXUS63 KDTX 211904
AFDDTX

Area Forecast Discussion
National Weather Service Detroit/Pontiac MI
304 PM EDT Sat Mar 21 2026

.KEY MESSAGES...

- Strong cold front moving through Sunday brings a good chance of
showers and perhaps a thunderstorm near the Ohio border.

- A significant cool down follows the front with below normal
temperatures for Monday.

&&

.DISCUSSION...

Clouds and southeast flow have led to a slow climb in temperatures
through the ea https://mesonet.agron.iastate.edu/p.php?pid=202603211904-KDTX-FXUS63-AFDDTX

#DTX #MIwx 257
FXUS63 KDTX 211728
AFDDTX

Area Forecast Discussion
National Weather Service Detroit/Pontiac MI
128 PM EDT Sat Mar 21 2026

.KEY MESSAGES...

- Strong cold front moving through Sunday brings a good chance of
showers and perhaps a thunderstorm near the Ohio border.

- A significant cool down follows the front with below normal
temperatures for Monday.

&&

.AVIATION...

Persitent area of MVFR stratus held within prevailing southeast flow
will gradually https://mesonet.agron.iastate.edu/p.php?pid=202603211728-KDTX-FXUS63-AFDDTX

#DTX #MIwx 264
FXUS63 KDTX 211027
AFDDTX

Area Forecast Discussion
National Weather Service Detroit/Pontiac MI
627 AM EDT Sat Mar 21 2026

.KEY MESSAGES...

- Despite some filtered sun today, max temps likely hold in the 50s
across most locations.

- Strong cold front moving through Sunday brings a good chance of
showers and perhaps a thunderstorm near the Ohio border.

- A significant cool down follows the front with below normal
temperatures for Monday.

&&

.AVI https://mesonet.agron.iastate.edu/p.php?pid=202603211027-KDTX-FXUS63-AFDDTX

#DTX #MIwx 173
FLUS43 KDTX 210806
HWODTX

Hazardous Weather Outlook
National Weather Service Detroit/Pontiac MI
406 AM EDT Sat Mar 21 2026

MIZ047>049-053>055-060>063-068>070-075-076-082-083-220815-
Midland-Bay-Huron-Saginaw-Tuscola-Sanilac-Shiawassee-Genesee-Lapeer-
St. Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe-
406 AM EDT Sat Mar 21 2026

This hazardous weather outlook is for southeast Michigan.

.DAY ONE...Today and Tonight

No hazardous weather https://mesonet.agron.iastate.edu/p.php?pid=202603210806-KDTX-FLUS43-HWODTX

#DTX #MIwx 562
FXUS63 KDTX 210705
AFDDTX

Area Forecast Discussion
National Weather Service Detroit/Pontiac MI
305 AM EDT Sat Mar 21 2026

.KEY MESSAGES...

- Despite some filtered sun today, max temps likely hold in the 50s
across most locations.

- Strong cold front moving through Sunday brings a good chance of
showers and perhaps a thunderstorm near the Ohio border.

- A significant cool down follows the front with below normal
temperatures for Monday.

&&

.DIS https://mesonet.agron.iastate.edu/p.php?pid=202603210705-KDTX-FXUS63-AFDDTX

#DTX #MIwx 254
CDUS43 KDTX 210536
CLIMBS

CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
136 AM EDT SAT MAR 21 2026

...................................

...THE TRI CITIES MI CLIMATE SUMMARY FOR MARCH 20 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1912 TO 2026

WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
https://mesonet.agron.iastate.edu/p.php?pid=202603210536-KDTX-CDUS43-CLIMBS