TULSA, Oklahoma - The Oklahoma Blood Institute says it is in urgent need of blood donations.

With bad weather for several days, fewer people have been able to donate.

OBI is asking for all blood types.

The blood institute extended its hours this weekend to attract more people.

OBI will host a blood drive Sunday at Ekklesia Church of Muskogee from Noon to 3:30.

Here is a list of blood drives near you.